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VAR-202002-0332

Vulnerability from variot - Updated: 2025-12-22 21:44

In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid(). Zsh Is vulnerable to improper checking of removed privileges.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. An attacker can exploit this vulnerability to restore the original permissions. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202003-55

                                       https://security.gentoo.org/

Severity: Normal Title: Zsh: Privilege escalation Date: March 25, 2020 Bugs: #711136 ID: 202003-55

Synopsis

A vulnerability in Zsh might allow an attacker to escalate privileges.

Background

A shell designed for interactive use, although it is also a powerful scripting language.

Impact

An attacker could escalate privileges.

Workaround

There is no known workaround at this time.

Resolution

All Zsh users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=app-shells/zsh-5.8"

References

[ 1 ] CVE-2019-20044 https://nvd.nist.gov/vuln/detail/CVE-2019-20044

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/202003-55

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5 . 8.0) - aarch64, ppc64le, s390x, x86_64

========================================================================== Ubuntu Security Notice USN-5325-1 March 14, 2022

zsh vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 21.10
Ubuntu 20.04 LTS
Ubuntu 18.04 LTS
Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in Zsh.

Software Description: - zsh: shell with lots of features

Details:

Sam Foxman discovered that Zsh incorrectly handled certain inputs. (CVE-2019-20044)

It was discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2021-45444)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 21.10: zsh 5.8-6ubuntu0.1 zsh-static 5.8-6ubuntu0.1

Ubuntu 20.04 LTS: zsh 5.8-3ubuntu1.1 zsh-static 5.8-3ubuntu1.1

Ubuntu 18.04 LTS: zsh 5.4.2-3ubuntu3.2 zsh-static 5.4.2-3ubuntu3.2

Ubuntu 16.04 ESM: zsh 5.1.1-1ubuntu2.3+esm1 zsh-static 5.1.1-1ubuntu2.3+esm1

In general, a standard system update will make all the necessary changes. 6) - i386, x86_64

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

===================================================================== Red Hat Security Advisory

Synopsis: Important: zsh security update Advisory ID: RHSA-2020:0853-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0853 Issue date: 2020-03-17 CVE Names: CVE-2019-20044 =====================================================================

Summary:

An update for zsh is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Description:

The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more.

Security Fix(es):

zsh: insecure dropping of privileges when unsetting PRIVILEGED option (CVE-2019-20044)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Package List:

Red Hat Enterprise Linux Client (v. 7):

Source: zsh-5.0.2-34.el7_7.2.src.rpm

x86_64: zsh-5.0.2-34.el7_7.2.x86_64.rpm zsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64: zsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm zsh-html-5.0.2-34.el7_7.2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source: zsh-5.0.2-34.el7_7.2.src.rpm

x86_64: zsh-5.0.2-34.el7_7.2.x86_64.rpm zsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64: zsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm zsh-html-5.0.2-34.el7_7.2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source: zsh-5.0.2-34.el7_7.2.src.rpm

ppc64: zsh-5.0.2-34.el7_7.2.ppc64.rpm zsh-debuginfo-5.0.2-34.el7_7.2.ppc64.rpm

ppc64le: zsh-5.0.2-34.el7_7.2.ppc64le.rpm zsh-debuginfo-5.0.2-34.el7_7.2.ppc64le.rpm

s390x: zsh-5.0.2-34.el7_7.2.s390x.rpm zsh-debuginfo-5.0.2-34.el7_7.2.s390x.rpm

x86_64: zsh-5.0.2-34.el7_7.2.x86_64.rpm zsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64: zsh-debuginfo-5.0.2-34.el7_7.2.ppc64.rpm zsh-html-5.0.2-34.el7_7.2.ppc64.rpm

ppc64le: zsh-debuginfo-5.0.2-34.el7_7.2.ppc64le.rpm zsh-html-5.0.2-34.el7_7.2.ppc64le.rpm

s390x: zsh-debuginfo-5.0.2-34.el7_7.2.s390x.rpm zsh-html-5.0.2-34.el7_7.2.s390x.rpm

x86_64: zsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm zsh-html-5.0.2-34.el7_7.2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source: zsh-5.0.2-34.el7_7.2.src.rpm

x86_64: zsh-5.0.2-34.el7_7.2.x86_64.rpm zsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64: zsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm zsh-html-5.0.2-34.el7_7.2.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

References:

https://access.redhat.com/security/cve/CVE-2019-20044 https://access.redhat.com/security/updates/classification/#important

Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

Alternatively, on your watch, select "My Watch > General > About". -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

APPLE-SA-2020-05-26-1 iOS 13.5 and iPadOS 13.5

iOS 13.5 and iPadOS 13.5 address the following:

Accounts Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A remote attacker may be able to cause a denial of service Description: A denial of service issue was addressed with improved input validation. CVE-2020-9827: Jannik Lorenz of SEEMOO @ TU Darmstadt

AirDrop Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A remote attacker may be able to cause a denial of service Description: A denial of service issue was addressed with improved input validation. CVE-2020-9826: Dor Hadad of Palo Alto Networks

AppleMobileFileIntegrity Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: An application may be able to use arbitrary entitlements Description: This issue was addressed with improved checks. CVE-2020-9842: Linus Henze (pinauten.de)

Audio Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9815: Yu Zhou (@yuzhou6666) working with Trend Micro Zero Day Initiative

Audio Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-9791: Yu Zhou (@yuzhou6666) working with Trend Micro Zero Day Initiative

Bluetooth Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic Description: An issue existed with the use of a PRNG with low entropy. This issue was addressed with improved state management. CVE-2020-6616: Jörn Tillmanns (@matedealer) and Jiska Classen (@naehrdine) of Secure Mobile Networking Lab

Bluetooth Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A remote attacker may be able to cause arbitrary code execution Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9838: Dennis Heinze (@ttdennis) of TU Darmstadt, Secure Mobile Networking Lab

CoreText Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing a maliciously crafted text message may lead to application denial of service Description: A validation issue was addressed with improved input sanitization. CVE-2020-9829: Aaron Perris (@aaronp613), an anonymous researcher, an anonymous researcher, Carlos S Tech, Sam Menzies of Sam’s Lounge, Sufiyan Gouri of Lovely Professional University, India, Suleman Hasan Rathor of Arabic-Classroom.com

FaceTime Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A user’s video may not be paused in a FaceTime call if they exit the FaceTime app while the call is ringing Description: An issue existed in the pausing of FaceTime video. The issue was resolved with improved logic. CVE-2020-9835: Olivier Levesque (@olilevesque)

File System Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A remote attacker may be able to modify the file system Description: A logic issue was addressed with improved restrictions. CVE-2020-9820: Thijs Alkemade of Computest

FontParser Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2020-9816: Peter Nguyen Vu Hoang of STAR Labs working with Trend Micro Zero Day Initiative

ImageIO Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-3878: Samuel Groß of Google Project Zero

ImageIO Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2020-9789: Wenchao Li of VARAS@IIE CVE-2020-9790: Xingwei Lin of Ant-financial Light-Year Security Lab

IPSec Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9837: Thijs Alkemade of Computest

Kernel Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2020-9821: Xinru Chi and Tielei Wang of Pangu Lab

Kernel Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A malicious application may be able to determine another application's memory layout Description: An information disclosure issue was addressed by removing the vulnerable code. CVE-2020-9797: an anonymous researcher

Kernel Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: An integer overflow was addressed through improved input validation. CVE-2020-9852: Tao Huang and Tielei Wang of Pangu Lab

Kernel Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2020-9795: Zhuo Liang of Qihoo 360 Vulcan Team

Kernel Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: An application may be able to cause unexpected system termination or write kernel memory Description: A memory corruption issue was addressed with improved state management. CVE-2020-9808: Xinru Chi and Tielei Wang of Pangu Lab

Kernel Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A local user may be able to read kernel memory Description: An information disclosure issue was addressed with improved state management. CVE-2020-9811: Tielei Wang of Pangu Lab CVE-2020-9812: Derrek (@derrekr6)

Kernel Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A logic issue existed resulting in memory corruption. This was addressed with improved state management. CVE-2020-9813: Xinru Chi of Pangu Lab CVE-2020-9814: Xinru Chi and Tielei Wang of Pangu Lab

Kernel Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A malicious application may be able to determine kernel memory layout Description: An information disclosure issue was addressed with improved state management. CVE-2020-9809: Benjamin Randazzo (@____benjamin)

Mail Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing a maliciously crafted mail message may lead to heap corruption Description: A memory consumption issue was addressed with improved memory handling. CVE-2020-9819: ZecOps.com

Mail Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2020-9818: ZecOps.com

Messages Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Users removed from an iMessage conversation may still be able to alter state Description: This issue was addressed with improved checks. CVE-2020-9823: Suryansh Mansharamani, student of Community Middle School, Plainsboro, New Jersey

Notifications Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A person with physical access to an iOS device may be able to view notification contents from the lockscreen Description: An authorization issue was addressed with improved state management. CVE-2020-9848: Nima

Python Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A remote attacker may be able to cause arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2020-9793

Sandbox Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A malicious application may be able to bypass Privacy preferences Description: An access issue was addressed with additional sandbox restrictions. CVE-2020-9825: Sreejith Krishnan R (@skr0x1C0)

SQLite Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A malicious application may cause a denial of service or potentially disclose memory contents Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9794

System Preferences Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with improved state handling. CVE-2020-9839: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative

USB Audio Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A USB device may be able to cause a denial of service Description: A validation issue was addressed with improved input sanitization. CVE-2020-9792: Andy Davis of NCC Group

WebKit Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A logic issue was addressed with improved restrictions. CVE-2020-9805: an anonymous researcher

WebKit Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A logic issue was addressed with improved restrictions. CVE-2020-9802: Samuel Groß of Google Project Zero

WebKit Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A remote attacker may be able to cause arbitrary code execution Description: A logic issue was addressed with improved restrictions. CVE-2020-9850: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative

WebKit Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may lead to a cross site scripting attack Description: An input validation issue was addressed with improved input validation. CVE-2020-9843: Ryan Pickren (ryanpickren.com)

WebKit Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved validation. CVE-2020-9803: Wen Xu of SSLab at Georgia Tech

WebKit Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved state management. CVE-2020-9806: Wen Xu of SSLab at Georgia Tech CVE-2020-9807: Wen Xu of SSLab at Georgia Tech

WebKit Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A type confusion issue was addressed with improved memory handling. CVE-2020-9800: Brendan Draper (@6r3nd4n) working with Trend Micro Zero Day Initiative

WebRTC Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may result in the disclosure of process memory Description: An access issue was addressed with improved memory management. CVE-2019-20503: Natalie Silvanovich of Google Project Zero

Wi-Fi Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory Description: A double free issue was addressed with improved memory management. CVE-2020-9844: Ian Beer of Google Project Zero

zsh Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A local attacker may be able to elevate their privileges Description: An authorization issue was addressed with improved state management. CVE-2019-20044: Sam Foxman

Additional recognition

Bluetooth We would like to acknowledge Maximilian von Tschitschnitz of Technical University Munich and Ludwig Peuckert of Technical University Munich for their assistance.

CoreText We would like to acknowledge Jiska Classen (@naehrdine) and Dennis Heinze (@ttdennis) of Secure Mobile Networking Lab for their assistance.

Device Analytics We would like to acknowledge Mohamed Ghannam (@_simo36) for their assistance.

ImageIO We would like to acknowledge Lei Sun for their assistance.

IOHIDFamily We would like to acknowledge Andy Davis of NCC Group for their assistance.

Kernel We would like to acknowledge Brandon Azad of Google Project Zero for their assistance.

Safari We would like to acknowledge Jeffball of GRIMM and Luke Walker of Manchester Metropolitan University for their assistance.

WebKit We would like to acknowledge Aidan Dunlap of UT Austin for their assistance.

Installation note:

This update is available through iTunes and Software Update on your iOS device, and will not appear in your computer's Software Update application, or in the Apple Downloads site. Make sure you have an Internet connection and have installed the latest version of iTunes from https://www.apple.com/itunes/

iTunes and Software Update on the device will automatically check Apple's update server on its weekly schedule. When an update is detected, it is downloaded and the option to be installed is presented to the user when the iOS device is docked. We recommend applying the update immediately if possible. Selecting Don't Install will present the option the next time you connect your iOS device.

The automatic update process may take up to a week depending on the day that iTunes or the device checks for updates. You may manually obtain the update via the Check for Updates button within iTunes, or the Software Update on your device.

To check that the iPhone, iPod touch, or iPad has been updated:

Navigate to Settings
Select General
Select About. The version after applying this update will be "iOS 13.5 and iPadOS 13.5". -----BEGIN PGP SIGNATURE----- Version: BCPG v1.64

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    "data": "In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid(). Zsh Is vulnerable to improper checking of removed privileges.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. An attacker can exploit this vulnerability to restore the original permissions. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory                           GLSA 202003-55\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n                                           https://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n    Title: Zsh: Privilege escalation\n     Date: March 25, 2020\n     Bugs: #711136\n       ID: 202003-55\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nA vulnerability in Zsh might allow an attacker to escalate privileges. \n\nBackground\n==========\n\nA shell designed for interactive use, although it is also a powerful\nscripting language. \n\nImpact\n======\n\nAn attacker could escalate privileges. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll Zsh users should upgrade to the latest version:\n\n  # emerge --sync\n  # emerge --ask --oneshot --verbose \"\u003e=app-shells/zsh-5.8\"\n\nReferences\n==========\n\n[ 1 ] CVE-2019-20044\n      https://nvd.nist.gov/vuln/detail/CVE-2019-20044\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n https://security.gentoo.org/glsa/202003-55\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2020 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttps://creativecommons.org/licenses/by-sa/2.5\n. 8.0) - aarch64, ppc64le, s390x, x86_64\n\n3. ==========================================================================\nUbuntu Security Notice USN-5325-1\nMarch 14, 2022\n\nzsh vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 21.10\n- Ubuntu 20.04 LTS\n- Ubuntu 18.04 LTS\n- Ubuntu 16.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in Zsh. \n\nSoftware Description:\n- zsh: shell with lots of features\n\nDetails:\n\nSam Foxman discovered that Zsh incorrectly handled certain inputs. \n(CVE-2019-20044)\n\nIt was discovered that Zsh incorrectly handled certain inputs. \nAn attacker could possibly use this issue to execute arbitrary code. \n(CVE-2021-45444)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 21.10:\n   zsh                             5.8-6ubuntu0.1\n   zsh-static                      5.8-6ubuntu0.1\n\nUbuntu 20.04 LTS:\n   zsh                             5.8-3ubuntu1.1\n   zsh-static                      5.8-3ubuntu1.1\n\nUbuntu 18.04 LTS:\n   zsh                             5.4.2-3ubuntu3.2\n   zsh-static                      5.4.2-3ubuntu3.2\n\nUbuntu 16.04 ESM:\n   zsh                             5.1.1-1ubuntu2.3+esm1\n   zsh-static                      5.1.1-1ubuntu2.3+esm1\n\nIn general, a standard system update will make all the necessary changes. 6) - i386, x86_64\n\n3. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n=====================================================================\n                   Red Hat Security Advisory\n\nSynopsis:          Important: zsh security update\nAdvisory ID:       RHSA-2020:0853-01\nProduct:           Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2020:0853\nIssue date:        2020-03-17\nCVE Names:         CVE-2019-20044 \n=====================================================================\n\n1. Summary:\n\nAn update for zsh is now available for Red Hat Enterprise Linux 7. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Client (v. 7) - x86_64\nRed Hat Enterprise Linux Client Optional (v. 7) - x86_64\nRed Hat Enterprise Linux ComputeNode (v. 7) - x86_64\nRed Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64\nRed Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Workstation (v. 7) - x86_64\nRed Hat Enterprise Linux Workstation Optional (v. 7) - x86_64\n\n3. Description:\n\nThe zsh shell is a command interpreter usable as an interactive login shell\nand as a shell script command processor. Zsh resembles the ksh shell (the\nKorn shell), but includes many enhancements. Zsh supports command-line\nediting, built-in spelling correction, programmable command completion,\nshell functions (with autoloading), a history mechanism, and more. \n\nSecurity Fix(es):\n\n* zsh: insecure dropping of privileges when unsetting PRIVILEGED option\n(CVE-2019-20044)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Package List:\n\nRed Hat Enterprise Linux Client (v. 7):\n\nSource:\nzsh-5.0.2-34.el7_7.2.src.rpm\n\nx86_64:\nzsh-5.0.2-34.el7_7.2.x86_64.rpm\nzsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm\n\nRed Hat Enterprise Linux Client Optional (v. 7):\n\nx86_64:\nzsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm\nzsh-html-5.0.2-34.el7_7.2.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nzsh-5.0.2-34.el7_7.2.src.rpm\n\nx86_64:\nzsh-5.0.2-34.el7_7.2.x86_64.rpm\nzsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode Optional (v. 7):\n\nx86_64:\nzsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm\nzsh-html-5.0.2-34.el7_7.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server (v. 7):\n\nSource:\nzsh-5.0.2-34.el7_7.2.src.rpm\n\nppc64:\nzsh-5.0.2-34.el7_7.2.ppc64.rpm\nzsh-debuginfo-5.0.2-34.el7_7.2.ppc64.rpm\n\nppc64le:\nzsh-5.0.2-34.el7_7.2.ppc64le.rpm\nzsh-debuginfo-5.0.2-34.el7_7.2.ppc64le.rpm\n\ns390x:\nzsh-5.0.2-34.el7_7.2.s390x.rpm\nzsh-debuginfo-5.0.2-34.el7_7.2.s390x.rpm\n\nx86_64:\nzsh-5.0.2-34.el7_7.2.x86_64.rpm\nzsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional (v. 7):\n\nppc64:\nzsh-debuginfo-5.0.2-34.el7_7.2.ppc64.rpm\nzsh-html-5.0.2-34.el7_7.2.ppc64.rpm\n\nppc64le:\nzsh-debuginfo-5.0.2-34.el7_7.2.ppc64le.rpm\nzsh-html-5.0.2-34.el7_7.2.ppc64le.rpm\n\ns390x:\nzsh-debuginfo-5.0.2-34.el7_7.2.s390x.rpm\nzsh-html-5.0.2-34.el7_7.2.s390x.rpm\n\nx86_64:\nzsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm\nzsh-html-5.0.2-34.el7_7.2.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nzsh-5.0.2-34.el7_7.2.src.rpm\n\nx86_64:\nzsh-5.0.2-34.el7_7.2.x86_64.rpm\nzsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation Optional (v. 7):\n\nx86_64:\nzsh-debuginfo-5.0.2-34.el7_7.2.x86_64.rpm\nzsh-html-5.0.2-34.el7_7.2.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2019-20044\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2020 Red Hat, Inc. \n\nAlternatively, on your watch, select \"My Watch \u003e General \u003e About\". -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\nAPPLE-SA-2020-05-26-1 iOS 13.5 and iPadOS 13.5\n\niOS 13.5 and iPadOS 13.5 address the following:\n\nAccounts\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A remote attacker may be able to cause a denial of service\nDescription: A denial of service issue was addressed with improved\ninput validation. \nCVE-2020-9827: Jannik Lorenz of SEEMOO @ TU Darmstadt\n\nAirDrop\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A remote attacker may be able to cause a denial of service\nDescription: A denial of service issue was addressed with improved\ninput validation. \nCVE-2020-9826: Dor Hadad of Palo Alto Networks\n\nAppleMobileFileIntegrity\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: An application may be able to use arbitrary entitlements\nDescription: This issue was addressed with improved checks. \nCVE-2020-9842: Linus Henze (pinauten.de)\n\nAudio\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing a maliciously crafted audio file may lead to\narbitrary code execution\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2020-9815: Yu Zhou (@yuzhou6666) working with Trend Micro Zero\nDay Initiative\n\nAudio\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing a maliciously crafted audio file may lead to\narbitrary code execution\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2020-9791: Yu Zhou (@yuzhou6666) working with Trend Micro Zero\nDay Initiative\n\nBluetooth\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: An attacker in a privileged network position may be able to\nintercept Bluetooth traffic\nDescription: An issue existed with the use of a PRNG with low\nentropy. This issue was addressed with improved state management. \nCVE-2020-6616: J\u00f6rn Tillmanns (@matedealer) and Jiska Classen\n(@naehrdine) of Secure Mobile Networking Lab\n\nBluetooth\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A remote attacker may be able to cause arbitrary code\nexecution\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2020-9838: Dennis Heinze (@ttdennis) of TU Darmstadt, Secure\nMobile Networking Lab\n\nCoreText\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing a maliciously crafted text message may lead to\napplication denial of service\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2020-9829: Aaron Perris (@aaronp613), an anonymous researcher, an\nanonymous researcher, Carlos S Tech, Sam Menzies of Sam\u2019s Lounge,\nSufiyan Gouri of Lovely Professional University, India, Suleman Hasan\nRathor of Arabic-Classroom.com\n\nFaceTime\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A user\u2019s video may not be paused in a FaceTime call if they\nexit the FaceTime app while the call is ringing\nDescription: An issue existed in the pausing of FaceTime video. The\nissue was resolved with improved logic. \nCVE-2020-9835: Olivier Levesque (@olilevesque)\n\nFile System\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A remote attacker may be able to modify the file system\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2020-9820: Thijs Alkemade of Computest\n\nFontParser\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Opening a maliciously crafted PDF file may lead to an\nunexpected application termination or arbitrary code execution\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2020-9816:  Peter Nguyen Vu Hoang of STAR Labs working with Trend\nMicro Zero Day Initiative\n\nImageIO\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2020-3878: Samuel Gro\u00df of Google Project Zero\n\nImageIO\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2020-9789: Wenchao Li of VARAS@IIE\nCVE-2020-9790: Xingwei Lin of Ant-financial Light-Year Security Lab\n\nIPSec\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A remote attacker may be able to leak memory\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2020-9837: Thijs Alkemade of Computest\n\nKernel\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A memory corruption issue was addressed with improved\nstate management. \nCVE-2020-9821: Xinru Chi and Tielei Wang of Pangu Lab\n\nKernel\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A malicious application may be able to determine another\napplication\u0027s memory layout\nDescription: An information disclosure issue was addressed by\nremoving the vulnerable code. \nCVE-2020-9797: an anonymous researcher\n\nKernel\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: An integer overflow was addressed through improved input\nvalidation. \nCVE-2020-9852: Tao Huang and Tielei Wang of Pangu Lab\n\nKernel\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A use after free issue was addressed with improved\nmemory management. \nCVE-2020-9795: Zhuo Liang of Qihoo 360 Vulcan Team\n\nKernel\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: An application may be able to cause unexpected system\ntermination or write kernel memory\nDescription: A memory corruption issue was addressed with improved\nstate management. \nCVE-2020-9808: Xinru Chi and Tielei Wang of Pangu Lab\n\nKernel\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A local user may be able to read kernel memory\nDescription: An information disclosure issue was addressed with\nimproved state management. \nCVE-2020-9811: Tielei Wang of Pangu Lab\nCVE-2020-9812: Derrek (@derrekr6)\n\nKernel\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A logic issue existed resulting in memory corruption. \nThis was addressed with improved state management. \nCVE-2020-9813: Xinru Chi of Pangu Lab\nCVE-2020-9814: Xinru Chi and Tielei Wang of Pangu Lab\n\nKernel\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A malicious application may be able to determine kernel\nmemory layout\nDescription: An information disclosure issue was addressed with\nimproved state management. \nCVE-2020-9809: Benjamin Randazzo (@____benjamin)\n\nMail\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing a maliciously crafted mail message may lead to\nheap corruption\nDescription: A memory consumption issue was addressed with improved\nmemory handling. \nCVE-2020-9819: ZecOps.com\n\nMail\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing a maliciously crafted mail message may lead to\nunexpected memory modification or application termination\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2020-9818: ZecOps.com\n\nMessages\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Users removed from an iMessage conversation may still be able\nto alter state\nDescription: This issue was addressed with improved checks. \nCVE-2020-9823: Suryansh Mansharamani, student of Community Middle\nSchool, Plainsboro, New\nJersey\n\nNotifications\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A person with physical access to an iOS device may be able to\nview notification contents from the lockscreen\nDescription: An authorization issue was addressed with improved state\nmanagement. \nCVE-2020-9848: Nima\n\nPython\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A remote attacker may be able to cause arbitrary code\nexecution\nDescription: A memory corruption issue was addressed with improved\ninput validation. \nCVE-2020-9793\n\nSandbox\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A malicious application may be able to bypass Privacy\npreferences\nDescription: An access issue was addressed with additional sandbox\nrestrictions. \nCVE-2020-9825: Sreejith Krishnan R (@skr0x1C0)\n\nSQLite\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A malicious application may cause a denial of service or\npotentially disclose memory contents\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2020-9794\n\nSystem Preferences\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: An application may be able to gain elevated privileges\nDescription: A race condition was addressed with improved state\nhandling. \nCVE-2020-9839: @jinmo123, @setuid0x0_, and @insu_yun_en of\n@SSLab_Gatech working with Trend Micro\u2019s Zero Day Initiative\n\nUSB Audio\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A USB device may be able to cause a denial of service\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2020-9792: Andy Davis of NCC Group\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing maliciously crafted web content may lead to\nuniversal cross site scripting\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2020-9805: an anonymous researcher\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2020-9802: Samuel Gro\u00df of Google Project Zero\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A remote attacker may be able to cause arbitrary code\nexecution\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2020-9850: @jinmo123, @setuid0x0_, and @insu_yun_en of\n@SSLab_Gatech working with Trend Micro\u2019s Zero Day Initiative\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing maliciously crafted web content may lead to a\ncross site scripting attack\nDescription: An input validation issue was addressed with improved\ninput validation. \nCVE-2020-9843: Ryan Pickren (ryanpickren.com)\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2020-9803: Wen Xu of SSLab at Georgia Tech\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A memory corruption issue was addressed with improved\nstate management. \nCVE-2020-9806: Wen Xu of SSLab at Georgia Tech\nCVE-2020-9807: Wen Xu of SSLab at Georgia Tech\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A type confusion issue was addressed with improved\nmemory handling. \nCVE-2020-9800: Brendan Draper (@6r3nd4n) working with Trend Micro\nZero Day Initiative\n\nWebRTC\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: Processing maliciously crafted web content may result in the\ndisclosure of process memory\nDescription: An access issue was addressed with improved memory\nmanagement. \nCVE-2019-20503: Natalie Silvanovich of Google Project Zero\n\nWi-Fi\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A remote attacker may be able to cause unexpected system\ntermination or corrupt kernel memory\nDescription: A double free issue was addressed with improved memory\nmanagement. \nCVE-2020-9844: Ian Beer of Google Project Zero\n\nzsh\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch 7th generation\nImpact: A local attacker may be able to elevate their privileges\nDescription: An authorization issue was addressed with improved state\nmanagement. \nCVE-2019-20044: Sam Foxman\n\nAdditional recognition\n\nBluetooth\nWe would like to acknowledge Maximilian von Tschitschnitz of\nTechnical University Munich and Ludwig Peuckert of Technical\nUniversity Munich for their assistance. \n\nCoreText\nWe would like to acknowledge Jiska Classen (@naehrdine) and Dennis\nHeinze (@ttdennis) of Secure Mobile Networking Lab for their\nassistance. \n\nDevice Analytics\nWe would like to acknowledge Mohamed Ghannam (@_simo36) for their\nassistance. \n\nImageIO\nWe would like to acknowledge Lei Sun for their assistance. \n\nIOHIDFamily\nWe would like to acknowledge Andy Davis of NCC Group for their\nassistance. \n\nKernel\nWe would like to acknowledge Brandon Azad of Google Project Zero for\ntheir assistance. \n\nSafari\nWe would like to acknowledge Jeffball of GRIMM and Luke Walker of\nManchester Metropolitan University for their assistance. \n\nWebKit\nWe would like to acknowledge Aidan Dunlap of UT Austin for their\nassistance. \n\nInstallation note:\n\nThis update is available through iTunes and Software Update on your\niOS device, and will not appear in your computer\u0027s Software Update\napplication, or in the Apple Downloads site. Make sure you have an\nInternet connection and have installed the latest version of iTunes\nfrom https://www.apple.com/itunes/\n\niTunes and Software Update on the device will automatically check\nApple\u0027s update server on its weekly schedule. When an update is\ndetected, it is downloaded and the option to be installed is\npresented to the user when the iOS device is docked. We recommend\napplying the update immediately if possible. Selecting Don\u0027t Install\nwill present the option the next time you connect your iOS device. \n\nThe automatic update process may take up to a week depending on the\nday that iTunes or the device checks for updates. You may manually\nobtain the update via the Check for Updates button within iTunes, or\nthe Software Update on your device. \n\nTo check that the iPhone, iPod touch, or iPad has been updated:\n\n* Navigate to Settings\n* Select General\n* Select About. 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VAR-202202-0062

Vulnerability from variot - Updated: 2024-11-23 20:47

In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion. zsh Exists in unspecified vulnerabilities.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. ========================================================================== Ubuntu Security Notice USN-5325-1 March 14, 2022

zsh vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 21.10
Ubuntu 20.04 LTS
Ubuntu 18.04 LTS
Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in Zsh.

Software Description: - zsh: shell with lots of features

Details:

Sam Foxman discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this issue to regain dropped privileges. (CVE-2019-20044)

It was discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2021-45444)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 21.10: zsh 5.8-6ubuntu0.1 zsh-static 5.8-6ubuntu0.1

Ubuntu 20.04 LTS: zsh 5.8-3ubuntu1.1 zsh-static 5.8-3ubuntu1.1

Ubuntu 18.04 LTS: zsh 5.4.2-3ubuntu3.2 zsh-static 5.4.2-3ubuntu3.2

Ubuntu 16.04 ESM: zsh 5.1.1-1ubuntu2.3+esm1 zsh-static 5.1.1-1ubuntu2.3+esm1

In general, a standard system update will make all the necessary changes. Apple is aware of a report that this issue may have been actively exploited. This was addressed with improved input validation. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

APPLE-SA-2022-05-16-2 macOS Monterey 12.4

macOS Monterey 12.4 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT213257.

AMD Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2022-26772: an anonymous researcher

AMD Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: A buffer overflow issue was addressed with improved memory handling. CVE-2022-26741: ABC Research s.r.o CVE-2022-26742: ABC Research s.r.o CVE-2022-26749: ABC Research s.r.o CVE-2022-26750: ABC Research s.r.o CVE-2022-26752: ABC Research s.r.o CVE-2022-26753: ABC Research s.r.o CVE-2022-26754: ABC Research s.r.o

apache Available for: macOS Monterey Impact: Multiple issues in apache Description: Multiple issues were addressed by updating apache to version 2.4.53. CVE-2021-44224 CVE-2021-44790 CVE-2022-22719 CVE-2022-22720 CVE-2022-22721

AppleGraphicsControl Available for: macOS Monterey Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2022-26751: Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative

AppleScript Available for: macOS Monterey Impact: Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory Description: An out-of-bounds read issue was addressed with improved input validation. CVE-2022-26697: Qi Sun and Robert Ai of Trend Micro

AppleScript Available for: macOS Monterey Impact: Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory Description: An out-of-bounds read issue was addressed with improved bounds checking. CVE-2022-26698: Qi Sun of Trend Micro

AVEVideoEncoder Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2022-26736: an anonymous researcher CVE-2022-26737: an anonymous researcher CVE-2022-26738: an anonymous researcher CVE-2022-26739: an anonymous researcher CVE-2022-26740: an anonymous researcher

Contacts Available for: macOS Monterey Impact: A plug-in may be able to inherit the application's permissions and access user data Description: This issue was addressed with improved checks. CVE-2022-26694: Wojciech Reguła (@_r3ggi) of SecuRing

CVMS Available for: macOS Monterey Impact: A malicious application may be able to gain root privileges Description: A memory initialization issue was addressed. CVE-2022-26721: Yonghwi Jin (@jinmo123) of Theori CVE-2022-26722: Yonghwi Jin (@jinmo123) of Theori

DriverKit Available for: macOS Monterey Impact: A malicious application may be able to execute arbitrary code with system privileges Description: An out-of-bounds access issue was addressed with improved bounds checking. CVE-2022-26763: Linus Henze of Pinauten GmbH (pinauten.de)

ImageIO Available for: macOS Monterey Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: An integer overflow issue was addressed with improved input validation. CVE-2022-26711: actae0n of Blacksun Hackers Club working with Trend Micro Zero Day Initiative

ImageIO Available for: macOS Monterey Impact: Photo location information may persist after it is removed with Preview Inspector Description: A logic issue was addressed with improved state management. CVE-2022-26725: Andrew Williams and Avi Drissman of Google

Intel Graphics Driver Available for: macOS Monterey Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2022-26720: Liu Long of Ant Security Light-Year Lab

Intel Graphics Driver Available for: macOS Monterey Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved input validation. CVE-2022-26769: Antonio Zekic (@antoniozekic)

Intel Graphics Driver Available for: macOS Monterey Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds read issue was addressed with improved input validation. CVE-2022-26770: Liu Long of Ant Security Light-Year Lab

Intel Graphics Driver Available for: macOS Monterey Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: An out-of-bounds write issue was addressed with improved input validation. CVE-2022-26748: Jeonghoon Shin of Theori working with Trend Micro Zero Day Initiative

Intel Graphics Driver Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds write issue was addressed with improved input validation. CVE-2022-26756: Jack Dates of RET2 Systems, Inc

IOKit Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved locking. CVE-2022-26701: chenyuwang (@mzzzz__) of Tencent Security Xuanwu Lab

IOMobileFrameBuffer Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2022-26768: an anonymous researcher

Kernel Available for: macOS Monterey Impact: An attacker that has already achieved code execution in macOS Recovery may be able to escalate to kernel privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2022-26743: Jordy Zomer (@pwningsystems)

Kernel Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved validation. CVE-2022-26714: Peter Nguyễn Vũ Hoàng (@peternguyen14) of STAR Labs (@starlabs_sg)

Kernel Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2022-26757: Ned Williamson of Google Project Zero

Kernel Available for: macOS Monterey Impact: An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations Description: A memory corruption issue was addressed with improved validation. CVE-2022-26764: Linus Henze of Pinauten GmbH (pinauten.de)

Kernel Available for: macOS Monterey Impact: A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication Description: A race condition was addressed with improved state handling. CVE-2022-26765: Linus Henze of Pinauten GmbH (pinauten.de)

LaunchServices Available for: macOS Monterey Impact: A sandboxed process may be able to circumvent sandbox restrictions Description: An access issue was addressed with additional sandbox restrictions on third-party applications. CVE-2022-26706: Arsenii Kostromin (0x3c3e)

LaunchServices Available for: macOS Monterey Impact: A malicious application may be able to bypass Privacy preferences Description: The issue was addressed with additional permissions checks. CVE-2022-26767: Wojciech Reguła (@_r3ggi) of SecuRing

libresolv Available for: macOS Monterey Impact: An attacker may be able to cause unexpected application termination or arbitrary code execution Description: This issue was addressed with improved checks. CVE-2022-26776: Zubair Ashraf of Crowdstrike, Max Shavrick (@_mxms) of the Google Security Team CVE-2022-26708: Max Shavrick (@_mxms) of the Google Security Team

libresolv Available for: macOS Monterey Impact: An attacker may be able to cause unexpected application termination or arbitrary code execution Description: An integer overflow was addressed with improved input validation. CVE-2022-26775: Max Shavrick (@_mxms) of the Google Security Team

LibreSSL Available for: macOS Monterey Impact: Processing a maliciously crafted certificate may lead to a denial of service Description: A denial of service issue was addressed with improved input validation. CVE-2022-0778

libxml2 Available for: macOS Monterey Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2022-23308

OpenSSL Available for: macOS Monterey Impact: Processing a maliciously crafted certificate may lead to a denial of service Description: This issue was addressed with improved checks. CVE-2022-0778

PackageKit Available for: macOS Monterey Impact: A malicious application may be able to modify protected parts of the file system Description: This issue was addressed by removing the vulnerable code. CVE-2022-26712: Mickey Jin (@patch1t)

PackageKit Available for: macOS Monterey Impact: A malicious application may be able to modify protected parts of the file system Description: This issue was addressed with improved entitlements. CVE-2022-26727: Mickey Jin (@patch1t)

Preview Available for: macOS Monterey Impact: A plug-in may be able to inherit the application's permissions and access user data Description: This issue was addressed with improved checks. CVE-2022-26693: Wojciech Reguła (@_r3ggi) of SecuRing

Printing Available for: macOS Monterey Impact: A malicious application may be able to bypass Privacy preferences Description: This issue was addressed by removing the vulnerable code. CVE-2022-26746: @gorelics

Safari Private Browsing Available for: macOS Monterey Impact: A malicious website may be able to track users in Safari private browsing mode Description: A logic issue was addressed with improved state management. CVE-2022-26731: an anonymous researcher

Security Available for: macOS Monterey Impact: A malicious app may be able to bypass signature validation Description: A certificate parsing issue was addressed with improved checks. CVE-2022-26766: Linus Henze of Pinauten GmbH (pinauten.de)

SMB Available for: macOS Monterey Impact: An application may be able to gain elevated privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2022-26715: Peter Nguyễn Vũ Hoàng of STAR Labs

SMB Available for: macOS Monterey Impact: An application may be able to gain elevated privileges Description: An out-of-bounds read issue was addressed with improved input validation. CVE-2022-26718: Peter Nguyễn Vũ Hoàng of STAR Labs

SMB Available for: macOS Monterey Impact: Mounting a maliciously crafted Samba network share may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2022-26723: Felix Poulin-Belanger

SoftwareUpdate Available for: macOS Monterey Impact: A malicious application may be able to access restricted files Description: This issue was addressed with improved entitlements. CVE-2022-26728: Mickey Jin (@patch1t)

Spotlight Available for: macOS Monterey Impact: An app may be able to gain elevated privileges Description: A validation issue existed in the handling of symlinks and was addressed with improved validation of symlinks. CVE-2022-26704: an anonymous researcher

TCC Available for: macOS Monterey Impact: An app may be able to capture a user's screen Description: This issue was addressed with improved checks. CVE-2022-26726: an anonymous researcher

Tcl Available for: macOS Monterey Impact: A malicious application may be able to break out of its sandbox Description: This issue was addressed with improved environment sanitization. CVE-2022-26755: Arsenii Kostromin (0x3c3e)

WebKit Available for: macOS Monterey Impact: Processing maliciously crafted web content may lead to code execution Description: A memory corruption issue was addressed with improved state management. WebKit Bugzilla: 238178 CVE-2022-26700: ryuzaki

WebKit Available for: macOS Monterey Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A use after free issue was addressed with improved memory management. WebKit Bugzilla: 236950 CVE-2022-26709: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab WebKit Bugzilla: 237475 CVE-2022-26710: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab WebKit Bugzilla: 238171 CVE-2022-26717: Jeonghoon Shin of Theori

WebKit Available for: macOS Monterey Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved state management. WebKit Bugzilla: 238183 CVE-2022-26716: SorryMybad (@S0rryMybad) of Kunlun Lab WebKit Bugzilla: 238699 CVE-2022-26719: Dongzhuo Zhao working with ADLab of Venustech

WebRTC Available for: macOS Monterey Impact: Video self-preview in a webRTC call may be interrupted if the user answers a phone call Description: A logic issue in the handling of concurrent media was addressed with improved state handling. WebKit Bugzilla: 237524 CVE-2022-22677: an anonymous researcher

Wi-Fi Available for: macOS Monterey Impact: A malicious application may disclose restricted memory Description: A memory corruption issue was addressed with improved validation. CVE-2022-26745: an anonymous researcher

Wi-Fi Available for: macOS Monterey Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2022-26761: Wang Yu of Cyberserval

Wi-Fi Available for: macOS Monterey Impact: A malicious application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2022-26762: Wang Yu of Cyberserval

zip Available for: macOS Monterey Impact: Processing a maliciously crafted file may lead to a denial of service Description: A denial of service issue was addressed with improved state handling. CVE-2022-0530

zlib Available for: macOS Monterey Impact: An attacker may be able to cause unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2018-25032: Tavis Ormandy

zsh Available for: macOS Monterey Impact: A remote attacker may be able to cause arbitrary code execution Description: This issue was addressed by updating to zsh version 5.8.1. CVE-2021-45444

Additional recognition

AppleMobileFileIntegrity We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance.

Bluetooth We would like to acknowledge Jann Horn of Project Zero for their assistance.

Calendar We would like to acknowledge Eugene Lim of Government Technology Agency of Singapore for their assistance.

FaceTime We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance.

FileVault We would like to acknowledge Benjamin Adolphi of Promon Germany GmbH for their assistance.

Login Window We would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive Security for their assistance.

Photo Booth We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance.

System Preferences We would like to acknowledge Mohammad Tausif Siddiqui (@toshsiddiqui), an anonymous researcher for their assistance.

WebKit We would like to acknowledge James Lee, an anonymous researcher for their assistance.

Wi-Fi We would like to acknowledge Dana Morrison for their assistance.

macOS Monterey 12.4 may be obtained from the Mac App Store or Apple's Software Downloads web site: https://support.apple.com/downloads/ All information is also posted on the Apple Security Updates web site: https://support.apple.com/en-us/HT201222.

This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE-----

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. Summary:

An update for zsh is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - noarch Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Description:

The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more.

Security Fix(es):

zsh: Prompt expansion vulnerability (CVE-2021-45444)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Bugs fixed (https://bugzilla.redhat.com/):

2054089 - CVE-2021-45444 zsh: Prompt expansion vulnerability

Package List:

Red Hat Enterprise Linux AppStream (v. 8):

noarch: zsh-html-5.5.1-9.el8.noarch.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source: zsh-5.5.1-9.el8.src.rpm

aarch64: zsh-5.5.1-9.el8.aarch64.rpm zsh-debuginfo-5.5.1-9.el8.aarch64.rpm zsh-debugsource-5.5.1-9.el8.aarch64.rpm

ppc64le: zsh-5.5.1-9.el8.ppc64le.rpm zsh-debuginfo-5.5.1-9.el8.ppc64le.rpm zsh-debugsource-5.5.1-9.el8.ppc64le.rpm

s390x: zsh-5.5.1-9.el8.s390x.rpm zsh-debuginfo-5.5.1-9.el8.s390x.rpm zsh-debugsource-5.5.1-9.el8.s390x.rpm

x86_64: zsh-5.5.1-9.el8.x86_64.rpm zsh-debuginfo-5.5.1-9.el8.x86_64.rpm zsh-debugsource-5.5.1-9.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

References:

https://access.redhat.com/security/cve/CVE-2021-45444 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc. This would allow an attacker to execute arbitrary commands into a user's shell, for instance by tricking a vcs_info user into checking out a git branch with a specially crafted name.

For the oldstable distribution (buster), this problem has been fixed in version 5.7.1-1+deb10u1.

For the stable distribution (bullseye), this problem has been fixed in version 5.8-6+deb11u1.

We recommend that you upgrade your zsh packages. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202407-01

                                       https://security.gentoo.org/

Severity: Normal Title: Zsh: Prompt Expansion Vulnerability Date: July 01, 2024 Bugs: #833252 ID: 202407-01

Synopsis

A vulnerability has been discovered in Zsh, which can lead to execution of arbitrary code.

Background

A shell designed for interactive use, although it is also a powerful scripting language.

Affected packages

Package Vulnerable Unaffected

app-shells/zsh < 5.8.1 >= 5.8.1

Description

Multiple vulnerabilities have been discovered in Zsh. Please review the CVE identifiers referenced below for details. VCS_Info to execute arbitrary shell commands without a user's knowledge.

Workaround

There is no known workaround at this time.

Resolution

All Zsh users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=app-shells/zsh-5.8.1"

References

[ 1 ] CVE-2021-45444 https://nvd.nist.gov/vuln/detail/CVE-2021-45444

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/202407-01

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

Show details on source website

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    "data": "In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion. zsh Exists in unspecified vulnerabilities.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. ==========================================================================\nUbuntu Security Notice USN-5325-1\nMarch 14, 2022\n\nzsh vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 21.10\n- Ubuntu 20.04 LTS\n- Ubuntu 18.04 LTS\n- Ubuntu 16.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in Zsh. \n\nSoftware Description:\n- zsh: shell with lots of features\n\nDetails:\n\nSam Foxman discovered that Zsh incorrectly handled certain inputs. \nAn attacker could possibly use this issue to regain dropped privileges. \n(CVE-2019-20044)\n\nIt was discovered that Zsh incorrectly handled certain inputs. \nAn attacker could possibly use this issue to execute arbitrary code. \n(CVE-2021-45444)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 21.10:\n   zsh                             5.8-6ubuntu0.1\n   zsh-static                      5.8-6ubuntu0.1\n\nUbuntu 20.04 LTS:\n   zsh                             5.8-3ubuntu1.1\n   zsh-static                      5.8-3ubuntu1.1\n\nUbuntu 18.04 LTS:\n   zsh                             5.4.2-3ubuntu3.2\n   zsh-static                      5.4.2-3ubuntu3.2\n\nUbuntu 16.04 ESM:\n   zsh                             5.1.1-1ubuntu2.3+esm1\n   zsh-static                      5.1.1-1ubuntu2.3+esm1\n\nIn general, a standard system update will make all the necessary changes. Apple is aware of a report that this issue may\nhave been actively exploited. This was addressed with improved input\nvalidation. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\nAPPLE-SA-2022-05-16-2 macOS Monterey 12.4\n\nmacOS Monterey 12.4 addresses the following issues. \nInformation about the security content is also available at\nhttps://support.apple.com/HT213257. \n\nAMD\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nstate management. \nCVE-2022-26772: an anonymous researcher\n\nAMD\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A buffer overflow issue was addressed with improved\nmemory handling. \nCVE-2022-26741: ABC Research s.r.o\nCVE-2022-26742: ABC Research s.r.o\nCVE-2022-26749: ABC Research s.r.o\nCVE-2022-26750: ABC Research s.r.o\nCVE-2022-26752: ABC Research s.r.o\nCVE-2022-26753: ABC Research s.r.o\nCVE-2022-26754: ABC Research s.r.o\n\napache\nAvailable for: macOS Monterey\nImpact: Multiple issues in apache\nDescription: Multiple issues were addressed by updating apache to\nversion 2.4.53. \nCVE-2021-44224\nCVE-2021-44790\nCVE-2022-22719\nCVE-2022-22720\nCVE-2022-22721\n\nAppleGraphicsControl\nAvailable for: macOS Monterey\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: A memory corruption issue was addressed with improved\ninput validation. \nCVE-2022-26751: Michael DePlante (@izobashi) of Trend Micro Zero Day\nInitiative\n\nAppleScript\nAvailable for: macOS Monterey\nImpact: Processing a maliciously crafted AppleScript binary may\nresult in unexpected application termination or disclosure of process\nmemory\nDescription: An out-of-bounds read issue was addressed with improved\ninput validation. \nCVE-2022-26697: Qi Sun and Robert Ai of Trend Micro\n\nAppleScript\nAvailable for: macOS Monterey\nImpact: Processing a maliciously crafted AppleScript binary may\nresult in unexpected application termination or disclosure of process\nmemory\nDescription: An out-of-bounds read issue was addressed with improved\nbounds checking. \nCVE-2022-26698: Qi Sun of Trend Micro\n\nAVEVideoEncoder\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2022-26736: an anonymous researcher\nCVE-2022-26737: an anonymous researcher\nCVE-2022-26738: an anonymous researcher\nCVE-2022-26739: an anonymous researcher\nCVE-2022-26740: an anonymous researcher\n\nContacts\nAvailable for: macOS Monterey\nImpact: A plug-in may be able to inherit the application\u0027s\npermissions and access user data\nDescription: This issue was addressed with improved checks. \nCVE-2022-26694: Wojciech Regu\u0142a (@_r3ggi) of SecuRing\n\nCVMS\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to gain root privileges\nDescription: A memory initialization issue was addressed. \nCVE-2022-26721: Yonghwi Jin (@jinmo123) of Theori\nCVE-2022-26722: Yonghwi Jin (@jinmo123) of Theori\n\nDriverKit\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to execute arbitrary code\nwith system privileges\nDescription: An out-of-bounds access issue was addressed with\nimproved bounds checking. \nCVE-2022-26763: Linus Henze of Pinauten GmbH (pinauten.de)\n\nImageIO\nAvailable for: macOS Monterey\nImpact: A remote attacker may be able to cause unexpected application\ntermination or arbitrary code execution\nDescription: An integer overflow issue was addressed with improved\ninput validation. \nCVE-2022-26711: actae0n of Blacksun Hackers Club working with Trend\nMicro Zero Day Initiative\n\nImageIO\nAvailable for: macOS Monterey\nImpact: Photo location information may persist after it is removed\nwith Preview Inspector\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2022-26725: Andrew Williams and Avi Drissman of Google\n\nIntel Graphics Driver\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2022-26720: Liu Long of Ant Security Light-Year Lab\n\nIntel Graphics Driver\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A memory corruption issue was addressed with improved\ninput validation. \nCVE-2022-26769: Antonio Zekic (@antoniozekic)\n\nIntel Graphics Driver\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: An out-of-bounds read issue was addressed with improved\ninput validation. \nCVE-2022-26770: Liu Long of Ant Security Light-Year Lab\n\nIntel Graphics Driver\nAvailable for: macOS Monterey\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: An out-of-bounds write issue was addressed with improved\ninput validation. \nCVE-2022-26748: Jeonghoon Shin of Theori working with Trend Micro\nZero Day Initiative\n\nIntel Graphics Driver\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: An out-of-bounds write issue was addressed with improved\ninput validation. \nCVE-2022-26756: Jack Dates of RET2 Systems, Inc\n\nIOKit\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A race condition was addressed with improved locking. \nCVE-2022-26701: chenyuwang (@mzzzz__) of Tencent Security Xuanwu Lab\n\nIOMobileFrameBuffer\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nstate management. \nCVE-2022-26768: an anonymous researcher\n\nKernel\nAvailable for: macOS Monterey\nImpact: An attacker that has already achieved code execution in macOS\nRecovery may be able to escalate to kernel privileges\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2022-26743: Jordy Zomer (@pwningsystems)\n\nKernel\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2022-26714: Peter Nguy\u1ec5n V\u0169 Ho\u00e0ng (@peternguyen14) of STAR Labs\n(@starlabs_sg)\n\nKernel\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A use after free issue was addressed with improved\nmemory management. \nCVE-2022-26757: Ned Williamson of Google Project Zero\n\nKernel\nAvailable for: macOS Monterey\nImpact: An attacker that has already achieved kernel code execution\nmay be able to bypass kernel memory mitigations\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2022-26764: Linus Henze of Pinauten GmbH (pinauten.de)\n\nKernel\nAvailable for: macOS Monterey\nImpact: A malicious attacker with arbitrary read and write capability\nmay be able to bypass Pointer Authentication\nDescription: A race condition was addressed with improved state\nhandling. \nCVE-2022-26765: Linus Henze of Pinauten GmbH (pinauten.de)\n\nLaunchServices\nAvailable for: macOS Monterey\nImpact: A sandboxed process may be able to circumvent sandbox\nrestrictions\nDescription: An access issue was addressed with additional sandbox\nrestrictions on third-party applications. \nCVE-2022-26706: Arsenii Kostromin (0x3c3e)\n\nLaunchServices\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to bypass Privacy\npreferences\nDescription: The issue was addressed with additional permissions\nchecks. \nCVE-2022-26767: Wojciech Regu\u0142a (@_r3ggi) of SecuRing\n\nlibresolv\nAvailable for: macOS Monterey\nImpact: An attacker may be able to cause unexpected application\ntermination or arbitrary code execution\nDescription: This issue was addressed with improved checks. \nCVE-2022-26776: Zubair Ashraf of Crowdstrike, Max Shavrick (@_mxms)\nof the Google Security Team\nCVE-2022-26708: Max Shavrick (@_mxms) of the Google Security Team\n\nlibresolv\nAvailable for: macOS Monterey\nImpact: An attacker may be able to cause unexpected application\ntermination or arbitrary code execution\nDescription: An integer overflow was addressed with improved input\nvalidation. \nCVE-2022-26775: Max Shavrick (@_mxms) of the Google Security Team\n\nLibreSSL\nAvailable for: macOS Monterey\nImpact: Processing a maliciously crafted certificate may lead to a\ndenial of service\nDescription: A denial of service issue was addressed with improved\ninput validation. \nCVE-2022-0778\n\nlibxml2\nAvailable for: macOS Monterey\nImpact: A remote attacker may be able to cause unexpected application\ntermination or arbitrary code execution\nDescription: A use after free issue was addressed with improved\nmemory management. \nCVE-2022-23308\n\nOpenSSL\nAvailable for: macOS Monterey\nImpact: Processing a maliciously crafted certificate may lead to a\ndenial of service\nDescription: This issue was addressed with improved checks. \nCVE-2022-0778\n\nPackageKit\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to modify protected parts\nof the file system\nDescription: This issue was addressed by removing the vulnerable\ncode. \nCVE-2022-26712: Mickey Jin (@patch1t)\n\nPackageKit\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to modify protected parts\nof the file system\nDescription: This issue was addressed with improved entitlements. \nCVE-2022-26727: Mickey Jin (@patch1t)\n\nPreview\nAvailable for: macOS Monterey\nImpact: A plug-in may be able to inherit the application\u0027s\npermissions and access user data\nDescription: This issue was addressed with improved checks. \nCVE-2022-26693: Wojciech Regu\u0142a (@_r3ggi) of SecuRing\n\nPrinting\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to bypass Privacy\npreferences\nDescription: This issue was addressed by removing the vulnerable\ncode. \nCVE-2022-26746: @gorelics\n\nSafari Private Browsing\nAvailable for: macOS Monterey\nImpact: A malicious website may be able to track users in Safari\nprivate browsing mode\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2022-26731: an anonymous researcher\n\nSecurity\nAvailable for: macOS Monterey\nImpact: A malicious app may be able to bypass signature validation\nDescription: A certificate parsing issue was addressed with improved\nchecks. \nCVE-2022-26766: Linus Henze of Pinauten GmbH (pinauten.de)\n\nSMB\nAvailable for: macOS Monterey\nImpact: An application may be able to gain elevated privileges\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2022-26715: Peter Nguy\u1ec5n V\u0169 Ho\u00e0ng of STAR Labs\n\nSMB\nAvailable for: macOS Monterey\nImpact: An application may be able to gain elevated privileges\nDescription: An out-of-bounds read issue was addressed with improved\ninput validation. \nCVE-2022-26718: Peter Nguy\u1ec5n V\u0169 Ho\u00e0ng of STAR Labs\n\nSMB\nAvailable for: macOS Monterey\nImpact: Mounting a maliciously crafted Samba network share may lead\nto arbitrary code execution\nDescription: A memory corruption issue was addressed with improved\ninput validation. \nCVE-2022-26723: Felix Poulin-Belanger\n\nSoftwareUpdate\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to access restricted\nfiles\nDescription: This issue was addressed with improved entitlements. \nCVE-2022-26728: Mickey Jin (@patch1t)\n\nSpotlight\nAvailable for: macOS Monterey\nImpact: An app may be able to gain elevated privileges\nDescription: A validation issue existed in the handling of symlinks\nand was addressed with improved validation of symlinks. \nCVE-2022-26704: an anonymous researcher\n\nTCC\nAvailable for: macOS Monterey\nImpact: An app may be able to capture a user\u0027s screen\nDescription: This issue was addressed with improved checks. \nCVE-2022-26726: an anonymous researcher\n\nTcl\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to break out of its\nsandbox\nDescription: This issue was addressed with improved environment\nsanitization. \nCVE-2022-26755: Arsenii Kostromin (0x3c3e)\n\nWebKit\nAvailable for: macOS Monterey\nImpact: Processing maliciously crafted web content may lead to code\nexecution\nDescription: A memory corruption issue was addressed with improved\nstate management. \nWebKit Bugzilla: 238178\nCVE-2022-26700: ryuzaki\n\nWebKit\nAvailable for: macOS Monterey\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A use after free issue was addressed with improved\nmemory management. \nWebKit Bugzilla: 236950\nCVE-2022-26709: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua\nwingtecher lab\nWebKit Bugzilla: 237475\nCVE-2022-26710: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua\nwingtecher lab\nWebKit Bugzilla: 238171\nCVE-2022-26717: Jeonghoon Shin of Theori\n\nWebKit\nAvailable for: macOS Monterey\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A memory corruption issue was addressed with improved\nstate management. \nWebKit Bugzilla: 238183\nCVE-2022-26716: SorryMybad (@S0rryMybad) of Kunlun Lab\nWebKit Bugzilla: 238699\nCVE-2022-26719: Dongzhuo Zhao working with ADLab of Venustech\n\nWebRTC\nAvailable for: macOS Monterey\nImpact: Video self-preview in a webRTC call may be interrupted if the\nuser answers a phone call\nDescription: A logic issue in the handling of concurrent media was\naddressed with improved state handling. \nWebKit Bugzilla: 237524\nCVE-2022-22677: an anonymous researcher\n\nWi-Fi\nAvailable for: macOS Monterey\nImpact: A malicious application may disclose restricted memory\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2022-26745: an anonymous researcher\n\nWi-Fi\nAvailable for: macOS Monterey\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2022-26761: Wang Yu of Cyberserval\n\nWi-Fi\nAvailable for: macOS Monterey\nImpact: A malicious application may be able to execute arbitrary code\nwith system privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2022-26762: Wang Yu of Cyberserval\n\nzip\nAvailable for: macOS Monterey\nImpact: Processing a maliciously crafted file may lead to a denial of\nservice\nDescription: A denial of service issue was addressed with improved\nstate handling. \nCVE-2022-0530\n\nzlib\nAvailable for: macOS Monterey\nImpact: An attacker may be able to cause unexpected application\ntermination or arbitrary code execution\nDescription: A memory corruption issue was addressed with improved\ninput validation. \nCVE-2018-25032: Tavis Ormandy\n\nzsh\nAvailable for: macOS Monterey\nImpact: A remote attacker may be able to cause arbitrary code\nexecution\nDescription: This issue was addressed by updating to zsh version\n5.8.1. \nCVE-2021-45444\n\nAdditional recognition\n\nAppleMobileFileIntegrity\nWe would like to acknowledge Wojciech Regu\u0142a (@_r3ggi) of SecuRing\nfor their assistance. \n\nBluetooth\nWe would like to acknowledge Jann Horn of Project Zero for their\nassistance. \n\nCalendar\nWe would like to acknowledge Eugene Lim of Government Technology\nAgency of Singapore for their assistance. \n\nFaceTime\nWe would like to acknowledge Wojciech Regu\u0142a (@_r3ggi) of SecuRing\nfor their assistance. \n\nFileVault\nWe would like to acknowledge Benjamin Adolphi of Promon Germany GmbH\nfor their assistance. \n\nLogin Window\nWe would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive\nSecurity for their assistance. \n\nPhoto Booth\nWe would like to acknowledge Wojciech Regu\u0142a (@_r3ggi) of SecuRing\nfor their assistance. \n\nSystem Preferences\nWe would like to acknowledge Mohammad Tausif Siddiqui\n(@toshsiddiqui), an anonymous researcher for their assistance. \n\nWebKit\nWe would like to acknowledge James Lee, an anonymous researcher for\ntheir assistance. \n\nWi-Fi\nWe would like to acknowledge Dana Morrison for their assistance. \n\nmacOS Monterey 12.4 may be obtained from the Mac App Store or Apple\u0027s\nSoftware Downloads web site: https://support.apple.com/downloads/\nAll information is also posted on the Apple Security Updates\nweb site: https://support.apple.com/en-us/HT201222. \n\nThis message is signed with Apple\u0027s Product Security PGP key,\nand details are available at:\nhttps://www.apple.com/support/security/pgp/\n-----BEGIN PGP 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Summary:\n\nAn update for zsh is now available for Red Hat Enterprise Linux 8. \n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux AppStream (v. 8) - noarch\nRed Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64\n\n3. Description:\n\nThe zsh shell is a command interpreter usable as an interactive login shell\nand as a shell script command processor. Zsh resembles the ksh shell (the\nKorn shell), but includes many enhancements. Zsh supports command-line\nediting, built-in spelling correction, programmable command completion,\nshell functions (with autoloading), a history mechanism, and more. \n\nSecurity Fix(es):\n\n* zsh: Prompt expansion vulnerability (CVE-2021-45444)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.6 Release Notes linked from the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n2054089 - CVE-2021-45444 zsh: Prompt expansion vulnerability\n\n6. Package List:\n\nRed Hat Enterprise Linux AppStream (v. 8):\n\nnoarch:\nzsh-html-5.5.1-9.el8.noarch.rpm\n\nRed Hat Enterprise Linux BaseOS (v. 8):\n\nSource:\nzsh-5.5.1-9.el8.src.rpm\n\naarch64:\nzsh-5.5.1-9.el8.aarch64.rpm\nzsh-debuginfo-5.5.1-9.el8.aarch64.rpm\nzsh-debugsource-5.5.1-9.el8.aarch64.rpm\n\nppc64le:\nzsh-5.5.1-9.el8.ppc64le.rpm\nzsh-debuginfo-5.5.1-9.el8.ppc64le.rpm\nzsh-debugsource-5.5.1-9.el8.ppc64le.rpm\n\ns390x:\nzsh-5.5.1-9.el8.s390x.rpm\nzsh-debuginfo-5.5.1-9.el8.s390x.rpm\nzsh-debugsource-5.5.1-9.el8.s390x.rpm\n\nx86_64:\nzsh-5.5.1-9.el8.x86_64.rpm\nzsh-debuginfo-5.5.1-9.el8.x86_64.rpm\nzsh-debugsource-5.5.1-9.el8.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-45444\nhttps://access.redhat.com/security/updates/classification/#moderate\nhttps://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2022 Red Hat, Inc. This would allow an\nattacker to execute arbitrary commands into a user\u0027s shell, for\ninstance by tricking a vcs_info user into checking out a git branch\nwith a specially crafted name. \n\nFor the oldstable distribution (buster), this problem has been fixed\nin version 5.7.1-1+deb10u1. \n\nFor the stable distribution (bullseye), this problem has been fixed in\nversion 5.8-6+deb11u1. \n\nWe recommend that you upgrade your zsh packages. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory                           GLSA 202407-01\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n                                           https://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n    Title: Zsh: Prompt Expansion Vulnerability\n     Date: July 01, 2024\n     Bugs: #833252\n       ID: 202407-01\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nA vulnerability has been discovered in Zsh, which can lead to execution\nof arbitrary code. \n\nBackground\n==========\n\nA shell designed for interactive use, although it is also a powerful\nscripting language. \n\nAffected packages\n=================\n\nPackage         Vulnerable    Unaffected\n--------------  ------------  ------------\napp-shells/zsh  \u003c 5.8.1       \u003e= 5.8.1\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in Zsh. Please review the\nCVE identifiers referenced below for details. \nVCS_Info to execute arbitrary shell commands without a user\u0027s knowledge. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll Zsh users should upgrade to the latest version:\n\n  # emerge --sync\n  # emerge --ask --oneshot --verbose \"\u003e=app-shells/zsh-5.8.1\"\n\nReferences\n==========\n\n[ 1 ] CVE-2021-45444\n      https://nvd.nist.gov/vuln/detail/CVE-2021-45444\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n https://security.gentoo.org/glsa/202407-01\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2024 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttps://creativecommons.org/licenses/by-sa/2.5\n",
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CVE-2021-45444 (GCVE-0-2021-45444)

Vulnerability from nvd – Published: 2022-02-13 05:32 – Updated: 2024-08-04 04:39

Summary

In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://zsh.sourceforge.io/releases.html	x_refsource_MISC
	https://vuln.ryotak.me/advisories/63	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://www.debian.org/security/2022/dsa-5078	vendor-advisoryx_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://support.apple.com/kb/HT213257	x_refsource_CONFIRM
	https://support.apple.com/kb/HT213256	x_refsource_CONFIRM
	https://support.apple.com/kb/HT213255	x_refsource_CONFIRM
	http://seclists.org/fulldisclosure/2022/May/33	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2022/May/35	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2022/May/38	mailing-listx_refsource_FULLDISC

Show details on NVD website

JSON

To clipboard

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CVE-2019-20044 (GCVE-0-2019-20044)

Vulnerability from nvd – Published: 2020-02-24 13:09 – Updated: 2024-08-05 02:32

Summary

In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	http://zsh.sourceforge.net/releases.html	x_refsource_MISC
	https://github.com/XMB5/zsh-privileged-upgrade	x_refsource_MISC
	https://www.zsh.org/mla/zsh-announce/141	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://security.gentoo.org/glsa/202003-55	vendor-advisoryx_refsource_GENTOO
	https://support.apple.com/kb/HT211170	x_refsource_CONFIRM
	https://support.apple.com/kb/HT211175	x_refsource_CONFIRM
	https://support.apple.com/kb/HT211171	x_refsource_CONFIRM
	https://support.apple.com/kb/HT211168	x_refsource_CONFIRM
	http://seclists.org/fulldisclosure/2020/May/49	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2020/May/55	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2020/May/53	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2020/May/59	mailing-listx_refsource_FULLDISC
	https://support.apple.com/HT211168	x_refsource_CONFIRM
	https://support.apple.com/HT211170	x_refsource_CONFIRM
	https://support.apple.com/HT211171	x_refsource_CONFIRM
	https://support.apple.com/HT211175	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Show details on NVD website

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CVE-2018-13259 (GCVE-0-2018-13259)

Vulnerability from nvd – Published: 2018-09-05 07:00 – Updated: 2024-08-05 09:00

Summary

An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is a substring of the intended one.

Severity ?

No CVSS data available.

CWE

improper parsing

Assigner

debian

References

URL

Tags

	https://bugs.debian.org/908000	x_refsource_MISC
	https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d1…	x_refsource_MISC
	https://www.zsh.org/mla/zsh-announce/136	x_refsource_MISC
	https://usn.ubuntu.com/3764-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201903-02	vendor-advisoryx_refsource_GENTOO
	https://access.redhat.com/errata/RHSA-2019:2017	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	zsh before 5.6	Affected: zsh before 5.6

Show details on NVD website

JSON

To clipboard

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CVE-2018-0502 (GCVE-0-2018-0502)

Vulnerability from nvd – Published: 2018-09-05 07:00 – Updated: 2024-08-05 03:28

Summary

An issue was discovered in zsh before 5.6. The beginning of a #! script file was mishandled, potentially leading to an execve call to a program named on the second line.

Severity ?

No CVSS data available.

CWE

improper parsing

Assigner

debian

References

URL

Tags

	https://bugs.debian.org/908000	x_refsource_MISC
	https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d1…	x_refsource_MISC
	https://www.zsh.org/mla/zsh-announce/136	x_refsource_MISC
	https://usn.ubuntu.com/3764-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201903-02	vendor-advisoryx_refsource_GENTOO
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	zsh before 5.6	Affected: zsh before 5.6

Show details on NVD website

JSON

To clipboard

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CVE-2018-1100 (GCVE-0-2018-1100)

Vulnerability from nvd – Published: 2018-04-11 19:00 – Updated: 2024-08-05 03:51

Summary

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.

Severity ?

No CVSS data available.

CWE

CWE-120 - >CWE-121

Assigner

redhat

References

URL

Tags

	https://sourceforge.net/p/zsh/code/ci/31f72205630…	x_refsource_CONFIRM
	https://usn.ubuntu.com/3764-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
	https://access.redhat.com/errata/RHSA-2018:1932	vendor-advisoryx_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=1563395	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	zsh	zsh	Affected: through 5.4.2

Show details on NVD website

JSON

To clipboard

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CVE-2018-1083 (GCVE-0-2018-1083)

Vulnerability from nvd – Published: 2018-03-28 13:00 – Updated: 2024-09-16 18:13

Summary

Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.

Severity ?

No CVSS data available.

CWE

CWE-120 - >CWE-121

Assigner

redhat

References

URL

Tags

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	http://www.securityfocus.com/bid/103572	vdb-entryx_refsource_BID
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	https://sourceforge.net/p/zsh/code/ci/259ac472eac…	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:1932	vendor-advisoryx_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=1557382	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	zsh	zsh	Affected: before zsh 5.4.2-test-1

Show details on NVD website

JSON

To clipboard

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CVE-2018-1071 (GCVE-0-2018-1071)

Vulnerability from nvd – Published: 2018-03-09 15:00 – Updated: 2024-08-05 03:51

Summary

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.

Severity ?

No CVSS data available.

CWE

CWE-121

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1553531	x_refsource_CONFIRM
	https://usn.ubuntu.com/3608-1/	vendor-advisoryx_refsource_UBUNTU
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	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	zsh	zsh	Affected: 5.4.2

Show details on NVD website

JSON

To clipboard

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CVE-2018-7549 (GCVE-0-2018-7549)

Vulnerability from nvd – Published: 2018-02-27 22:00 – Updated: 2024-08-05 06:31

Summary

In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://usn.ubuntu.com/3593-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
	https://sourceforge.net/p/zsh/code/ci/c2cc8b0fbef…	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT

Show details on NVD website

JSON

To clipboard

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CVE-2018-7548 (GCVE-0-2018-7548)

Vulnerability from nvd – Published: 2018-02-27 22:00 – Updated: 2024-08-05 06:31

Summary

In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

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	https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
	https://sourceforge.net/p/zsh/code/ci/110b13e1090…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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CVE-2017-18206 (GCVE-0-2017-18206)

Vulnerability from nvd – Published: 2018-02-27 22:00 – Updated: 2024-08-05 21:13

Summary

In utils.c in zsh before 5.4, symlink expansion had a buffer overflow.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

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	https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
	https://access.redhat.com/errata/RHSA-2018:1932	vendor-advisoryx_refsource_REDHAT
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	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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CVE-2016-10714 (GCVE-0-2016-10714)

Vulnerability from nvd – Published: 2018-02-27 22:00 – Updated: 2024-08-06 03:30

Summary

In zsh before 5.3, an off-by-one error resulted in undersized buffers that were intended to support PATH_MAX characters.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://usn.ubuntu.com/3593-1/	vendor-advisoryx_refsource_UBUNTU
	https://sourceforge.net/p/zsh/code/ci/a62e1640bca…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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CVE-2014-10071 (GCVE-0-2014-10071)

Vulnerability from nvd – Published: 2018-02-27 22:00 – Updated: 2024-08-06 14:02

Summary

In exec.c in zsh before 5.0.7, there is a buffer overflow for very long fds in the ">& fd" syntax.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://sourceforge.net/p/zsh/code/ci/49a3086bb67…	x_refsource_MISC
	https://usn.ubuntu.com/3593-1/	vendor-advisoryx_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT

Show details on NVD website

JSON

To clipboard

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CVE-2007-6209 (GCVE-0-2007-6209)

Vulnerability from nvd – Published: 2007-12-04 00:00 – Updated: 2024-08-07 15:54

Summary

Util/difflog.pl in zsh 4.3.4 allows local users to overwrite arbitrary files via a symlink attack on temporary files.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	http://osvdb.org/42481	vdb-entryx_refsource_OSVDB
	http://www.zsh.org/mla/workers/2007/msg01066.html	mailing-listx_refsource_MLIST
	http://www.zsh.org/mla/workers/2007/msg01060.html	mailing-listx_refsource_MLIST
	https://bugs.gentoo.org/show_bug.cgi?id=201022	x_refsource_MISC
	http://www.securityfocus.com/bid/26674	vdb-entryx_refsource_BID
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
	http://www.zsh.org/mla/workers/2007/msg01065.html	mailing-listx_refsource_MLIST
	http://secunia.com/advisories/27899	third-party-advisoryx_refsource_SECUNIA

Show details on NVD website

JSON

To clipboard

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CVE-2021-45444 (GCVE-0-2021-45444)

Vulnerability from cvelistv5 – Published: 2022-02-13 05:32 – Updated: 2024-08-04 04:39

Summary

In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://zsh.sourceforge.io/releases.html	x_refsource_MISC
	https://vuln.ryotak.me/advisories/63	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://www.debian.org/security/2022/dsa-5078	vendor-advisoryx_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://support.apple.com/kb/HT213257	x_refsource_CONFIRM
	https://support.apple.com/kb/HT213256	x_refsource_CONFIRM
	https://support.apple.com/kb/HT213255	x_refsource_CONFIRM
	http://seclists.org/fulldisclosure/2022/May/33	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2022/May/35	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2022/May/38	mailing-listx_refsource_FULLDISC

Show details on NVD website

JSON

To clipboard

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CVE-2019-20044 (GCVE-0-2019-20044)

Vulnerability from cvelistv5 – Published: 2020-02-24 13:09 – Updated: 2024-08-05 02:32

Summary

In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	http://zsh.sourceforge.net/releases.html	x_refsource_MISC
	https://github.com/XMB5/zsh-privileged-upgrade	x_refsource_MISC
	https://www.zsh.org/mla/zsh-announce/141	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://security.gentoo.org/glsa/202003-55	vendor-advisoryx_refsource_GENTOO
	https://support.apple.com/kb/HT211170	x_refsource_CONFIRM
	https://support.apple.com/kb/HT211175	x_refsource_CONFIRM
	https://support.apple.com/kb/HT211171	x_refsource_CONFIRM
	https://support.apple.com/kb/HT211168	x_refsource_CONFIRM
	http://seclists.org/fulldisclosure/2020/May/49	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2020/May/55	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2020/May/53	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2020/May/59	mailing-listx_refsource_FULLDISC
	https://support.apple.com/HT211168	x_refsource_CONFIRM
	https://support.apple.com/HT211170	x_refsource_CONFIRM
	https://support.apple.com/HT211171	x_refsource_CONFIRM
	https://support.apple.com/HT211175	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Show details on NVD website

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CVE-2018-0502 (GCVE-0-2018-0502)

Vulnerability from cvelistv5 – Published: 2018-09-05 07:00 – Updated: 2024-08-05 03:28

Summary

An issue was discovered in zsh before 5.6. The beginning of a #! script file was mishandled, potentially leading to an execve call to a program named on the second line.

Severity ?

No CVSS data available.

CWE

improper parsing

Assigner

debian

References

URL

Tags

	https://bugs.debian.org/908000	x_refsource_MISC
	https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d1…	x_refsource_MISC
	https://www.zsh.org/mla/zsh-announce/136	x_refsource_MISC
	https://usn.ubuntu.com/3764-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201903-02	vendor-advisoryx_refsource_GENTOO
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	zsh before 5.6	Affected: zsh before 5.6

Show details on NVD website

JSON

To clipboard

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CVE-2018-13259 (GCVE-0-2018-13259)

Vulnerability from cvelistv5 – Published: 2018-09-05 07:00 – Updated: 2024-08-05 09:00

Summary

An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is a substring of the intended one.

Severity ?

No CVSS data available.

CWE

improper parsing

Assigner

debian

References

URL

Tags

	https://bugs.debian.org/908000	x_refsource_MISC
	https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d1…	x_refsource_MISC
	https://www.zsh.org/mla/zsh-announce/136	x_refsource_MISC
	https://usn.ubuntu.com/3764-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201903-02	vendor-advisoryx_refsource_GENTOO
	https://access.redhat.com/errata/RHSA-2019:2017	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	zsh before 5.6	Affected: zsh before 5.6

Show details on NVD website

JSON

To clipboard

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CVE-2018-1100 (GCVE-0-2018-1100)

Vulnerability from cvelistv5 – Published: 2018-04-11 19:00 – Updated: 2024-08-05 03:51

Summary

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.

Severity ?

No CVSS data available.

CWE

CWE-120 - >CWE-121

Assigner

redhat

References

URL

Tags

	https://sourceforge.net/p/zsh/code/ci/31f72205630…	x_refsource_CONFIRM
	https://usn.ubuntu.com/3764-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
	https://access.redhat.com/errata/RHSA-2018:1932	vendor-advisoryx_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=1563395	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	zsh	zsh	Affected: through 5.4.2

Show details on NVD website

JSON

To clipboard

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CVE-2018-1083 (GCVE-0-2018-1083)

Vulnerability from cvelistv5 – Published: 2018-03-28 13:00 – Updated: 2024-09-16 18:13

Summary

Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.

Severity ?

No CVSS data available.

CWE

CWE-120 - >CWE-121

Assigner

redhat

References

URL

Tags

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	http://www.securityfocus.com/bid/103572	vdb-entryx_refsource_BID
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	https://sourceforge.net/p/zsh/code/ci/259ac472eac…	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:1932	vendor-advisoryx_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=1557382	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	zsh	zsh	Affected: before zsh 5.4.2-test-1

Show details on NVD website

JSON

To clipboard

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CVE-2018-1071 (GCVE-0-2018-1071)

Vulnerability from cvelistv5 – Published: 2018-03-09 15:00 – Updated: 2024-08-05 03:51

Summary

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.

Severity ?

No CVSS data available.

CWE

CWE-121

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1553531	x_refsource_CONFIRM
	https://usn.ubuntu.com/3608-1/	vendor-advisoryx_refsource_UBUNTU
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	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	zsh	zsh	Affected: 5.4.2

Show details on NVD website

JSON

To clipboard

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CVE-2017-18206 (GCVE-0-2017-18206)

Vulnerability from cvelistv5 – Published: 2018-02-27 22:00 – Updated: 2024-08-05 21:13

Summary

In utils.c in zsh before 5.4, symlink expansion had a buffer overflow.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://usn.ubuntu.com/3593-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
	https://access.redhat.com/errata/RHSA-2018:1932	vendor-advisoryx_refsource_REDHAT
	https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd…	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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CVE-2014-10071 (GCVE-0-2014-10071)

Vulnerability from cvelistv5 – Published: 2018-02-27 22:00 – Updated: 2024-08-06 14:02

Summary

In exec.c in zsh before 5.0.7, there is a buffer overflow for very long fds in the ">& fd" syntax.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://sourceforge.net/p/zsh/code/ci/49a3086bb67…	x_refsource_MISC
	https://usn.ubuntu.com/3593-1/	vendor-advisoryx_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT

Show details on NVD website

JSON

To clipboard

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CVE-2016-10714 (GCVE-0-2016-10714)

Vulnerability from cvelistv5 – Published: 2018-02-27 22:00 – Updated: 2024-08-06 03:30

Summary

In zsh before 5.3, an off-by-one error resulted in undersized buffers that were intended to support PATH_MAX characters.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://usn.ubuntu.com/3593-1/	vendor-advisoryx_refsource_UBUNTU
	https://sourceforge.net/p/zsh/code/ci/a62e1640bca…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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CVE-2018-7549 (GCVE-0-2018-7549)

Vulnerability from cvelistv5 – Published: 2018-02-27 22:00 – Updated: 2024-08-05 06:31

Summary

In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://usn.ubuntu.com/3593-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
	https://sourceforge.net/p/zsh/code/ci/c2cc8b0fbef…	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT

Show details on NVD website

JSON

To clipboard

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CVE-2018-7548 (GCVE-0-2018-7548)

Vulnerability from cvelistv5 – Published: 2018-02-27 22:00 – Updated: 2024-08-05 06:31

Summary

In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	https://usn.ubuntu.com/3593-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
	https://sourceforge.net/p/zsh/code/ci/110b13e1090…	x_refsource_MISC

Show details on NVD website

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CVE-2007-6209 (GCVE-0-2007-6209)

Vulnerability from cvelistv5 – Published: 2007-12-04 00:00 – Updated: 2024-08-07 15:54

Summary

Util/difflog.pl in zsh 4.3.4 allows local users to overwrite arbitrary files via a symlink attack on temporary files.

Severity ?

No CVSS data available.

CWE

n/a

Assigner

mitre

References

URL

Tags

	http://osvdb.org/42481	vdb-entryx_refsource_OSVDB
	http://www.zsh.org/mla/workers/2007/msg01066.html	mailing-listx_refsource_MLIST
	http://www.zsh.org/mla/workers/2007/msg01060.html	mailing-listx_refsource_MLIST
	https://bugs.gentoo.org/show_bug.cgi?id=201022	x_refsource_MISC
	http://www.securityfocus.com/bid/26674	vdb-entryx_refsource_BID
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
	http://www.zsh.org/mla/workers/2007/msg01065.html	mailing-listx_refsource_MLIST
	http://secunia.com/advisories/27899	third-party-advisoryx_refsource_SECUNIA

Show details on NVD website

JSON

To clipboard

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Search criteria

28 vulnerabilities found for zsh by zsh

VAR-202002-0332

Synopsis

Background

Impact

Workaround

Resolution

References

Availability

Concerns?

License

zsh vulnerabilities

VAR-202202-0062

zsh vulnerabilities

Synopsis

Background

Affected packages

Description

Workaround

Resolution

References

Availability

Concerns?

License

CVE-2021-45444 (GCVE-0-2021-45444)

CVE-2019-20044 (GCVE-0-2019-20044)

CVE-2018-13259 (GCVE-0-2018-13259)

CVE-2018-0502 (GCVE-0-2018-0502)

CVE-2018-1100 (GCVE-0-2018-1100)

CVE-2018-1083 (GCVE-0-2018-1083)

CVE-2018-1071 (GCVE-0-2018-1071)

CVE-2018-7549 (GCVE-0-2018-7549)

CVE-2018-7548 (GCVE-0-2018-7548)

CVE-2017-18206 (GCVE-0-2017-18206)

CVE-2016-10714 (GCVE-0-2016-10714)

CVE-2014-10071 (GCVE-0-2014-10071)

CVE-2007-6209 (GCVE-0-2007-6209)

CVE-2021-45444 (GCVE-0-2021-45444)

CVE-2019-20044 (GCVE-0-2019-20044)

CVE-2018-0502 (GCVE-0-2018-0502)

CVE-2018-13259 (GCVE-0-2018-13259)

CVE-2018-1100 (GCVE-0-2018-1100)

CVE-2018-1083 (GCVE-0-2018-1083)

CVE-2018-1071 (GCVE-0-2018-1071)

CVE-2017-18206 (GCVE-0-2017-18206)

CVE-2014-10071 (GCVE-0-2014-10071)

CVE-2016-10714 (GCVE-0-2016-10714)

CVE-2018-7549 (GCVE-0-2018-7549)

CVE-2018-7548 (GCVE-0-2018-7548)

CVE-2007-6209 (GCVE-0-2007-6209)