Common Weakness Enumeration
CWE-61
AllowedUNIX Symbolic Link (Symlink) Following
Abstraction: Compound · Status: Incomplete
The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files.
327 vulnerabilities reference this CWE, most recent first.
CVE-2020-15076 (GCVE-0-2020-15076)
Vulnerability from cvelistv5 – Published: 2021-05-26 18:17 – Updated: 2024-08-04 13:08
VLAI
EPSS
VEX
Summary
Private Tunnel installer for macOS version 3.0.1 and older versions may corrupt system critical files it should not have access via symlinks in /tmp.
Severity
No CVSS data available.
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://swupdate.openvpn.net/downloads/privatetun… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Private Tunnel |
Affected:
3.0.1 and prior versions
|
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CVE-2020-15075 (GCVE-0-2020-15075)
Vulnerability from cvelistv5 – Published: 2021-03-30 13:38 – Updated: 2024-08-04 13:08
VLAI
EPSS
VEX
Summary
OpenVPN Connect installer for macOS version 3.2.6 and older may corrupt system critical files it should not have access via symlinks in /tmp.
Severity
No CVSS data available.
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://openvpn.net/vpn-server-resources/openvpn-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | OpenVPN Connect |
Affected:
3.2.6 and prior versions
|
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CVE-2020-8019 (GCVE-0-2020-8019)
Vulnerability from cvelistv5 – Published: 2020-06-29 11:30 – Updated: 2024-09-17 03:43
VLAI
EPSS
VEX
Title
syslog-ng: Local privilege escalation from new to root in %post
Summary
A UNIX Symbolic Link (Symlink) Following vulnerability in the packaging of syslog-ng of SUSE Linux Enterprise Debuginfo 11-SP3, SUSE Linux Enterprise Debuginfo 11-SP4, SUSE Linux Enterprise Module for Legacy Software 12, SUSE Linux Enterprise Point of Sale 11-SP3, SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Linux Enterprise Server for SAP 12-SP1; openSUSE Backports SLE-15-SP1, openSUSE Leap 15.1 allowed local attackers controlling the user news to escalate their privileges to root. This issue affects: SUSE Linux Enterprise Debuginfo 11-SP3 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Debuginfo 11-SP4 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Module for Legacy Software 12 syslog-ng versions prior to 3.6.4-12.8.1. SUSE Linux Enterprise Point of Sale 11-SP3 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Server 11-SP4-LTSS syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Server for SAP 12-SP1 syslog-ng versions prior to 3.6.4-12.8.1. openSUSE Backports SLE-15-SP1 syslog-ng versions prior to 3.19.1-bp151.4.6.1. openSUSE Leap 15.1 syslog-ng versions prior to 3.19.1-lp151.3.6.1.
Severity
7.7 (High)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1169385 | x_refsource_CONFIRM |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| SUSE | SUSE Linux Enterprise Debuginfo 11-SP3 |
Affected:
syslog-ng , < 2.0.9-27.34.40.5.1
(custom)
|
|
| SUSE | SUSE Linux Enterprise Debuginfo 11-SP4 |
Affected:
syslog-ng , < 2.0.9-27.34.40.5.1
(custom)
|
|
| SUSE | SUSE Linux Enterprise Module for Legacy Software 12 |
Affected:
syslog-ng , < 3.6.4-12.8.1
(custom)
|
|
| SUSE | SUSE Linux Enterprise Point of Sale 11-SP3 |
Affected:
syslog-ng , < 2.0.9-27.34.40.5.1
(custom)
|
|
| SUSE | SUSE Linux Enterprise Server 11-SP4-LTSS |
Affected:
syslog-ng , < 2.0.9-27.34.40.5.1
(custom)
|
|
| SUSE | SUSE Linux Enterprise Server for SAP 12-SP1 |
Affected:
syslog-ng , < 3.6.4-12.8.1
(custom)
|
|
| openSUSE | openSUSE Backports SLE-15-SP1 |
Affected:
syslog-ng , < 3.19.1-bp151.4.6.1
(custom)
|
|
| openSUSE | openSUSE Leap 15.1 |
Affected:
syslog-ng , < 3.19.1-lp151.3.6.1
(custom)
|
Date Public
2020-06-29 00:00
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CVE-2020-8014 (GCVE-0-2020-8014)
Vulnerability from cvelistv5 – Published: 2020-06-29 12:00 – Updated: 2024-09-17 03:13
VLAI
EPSS
VEX
Title
kopano-python-services: Local privilege escalation from kopano to root in kopano-spamd subpackage
Summary
A UNIX Symbolic Link (Symlink) Following vulnerability in the packaging of kopano-spamd of openSUSE Leap 15.1, openSUSE Tumbleweed allowed local attackers with the privileges of the kopano user to escalate to root. This issue affects: openSUSE Leap 15.1 kopano-spamd versions prior to 10.0.5-lp151.4.1. openSUSE Tumbleweed kopano-spamd versions prior to 10.0.5-1.1.
Severity
7.7 (High)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1164131 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| openSUSE | openSUSE Leap 15.1 |
Affected:
kopano-spamd , < 10.0.5-lp151.4.1
(custom)
|
|
| openSUSE | openSUSE Tumbleweed |
Affected:
kopano-spamd , < 10.0.5-1.1
(custom)
|
Date Public
2020-05-19 00:00
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CVE-2019-16775 (GCVE-0-2019-16775)
Vulnerability from cvelistv5 – Published: 2019-12-13 00:55 – Updated: 2024-08-05 01:24
VLAI
EPSS
VEX
Title
Unauthorized File Access in npm CLI before before version 6.13.3
Summary
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Severity
7.7 (High)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
11 references
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://access.redhat.com/errata/RHEA-2020:0330 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2020:0573 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2020:0579 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2020:0597 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2020:0602 | vendor-advisoryx_refsource_REDHAT |
| https://www.oracle.com/security-alerts/cpujan2020.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
| https://github.com/npm/cli/security/advisories/GH… | x_refsource_CONFIRM |
| https://blog.npmjs.org/post/189618601100/binary-p… | x_refsource_MISC |
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CVE-2019-11251 (GCVE-0-2019-11251)
Vulnerability from cvelistv5 – Published: 2020-02-03 15:35 – Updated: 2024-08-04 22:48
VLAI
EPSS
VEX
Title
kubectl cp allows symlink directory traversal
Summary
The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.
Severity
4.8 (Medium)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kubernetes/kubernetes/issues/87773 | x_refsource_CONFIRM |
| https://groups.google.com/d/msg/kubernetes-announ… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kubernetes | Kubernetes |
Affected:
prior to 1.13.11
Affected: prior to 1.14.7 Affected: prior to 1.15.4 Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 |
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CVE-2019-11249 (GCVE-0-2019-11249)
Vulnerability from cvelistv5 – Published: 2019-08-29 00:26 – Updated: 2024-09-16 18:19
VLAI
EPSS
VEX
Title
kubectl cp allows symlink directory traversal
Summary
The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes runs tar inside the container to create a tar archive, copies it over the network, and kubectl unpacks it on the user’s machine. If the tar binary in the container is malicious, it could run any code and output unexpected, malicious results. An attacker could use this to write files to any path on the user’s machine when kubectl cp is called, limited only by the system permissions of the local user. Kubernetes affected versions include versions prior to 1.13.9, versions prior to 1.14.5, versions prior to 1.15.2, and versions 1.1, 1.2, 1.4, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12.
Severity
4.8 (Medium)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://groups.google.com/d/msg/kubernetes-securi… | mailing-listx_refsource_MLIST |
| https://github.com/kubernetes/kubernetes/issues/80984 | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2019091… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHBA-2019:2816 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHBA-2019:2794 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHBA-2019:2824 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2019:3239 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2019:3811 | vendor-advisoryx_refsource_REDHAT |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kubernetes | Kubernetes |
Affected:
prior to 1.13.9
Affected: prior to 1.14.5 Affected: prior to 1.15.2 Affected: 1.1 Affected: 1.2 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 |
Date Public
2019-08-05 00:00
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CVE-2019-11246 (GCVE-0-2019-11246)
Vulnerability from cvelistv5 – Published: 2019-08-29 00:23 – Updated: 2024-09-16 23:01
VLAI
EPSS
VEX
Title
kubectl cp allows symlink directory traversal
Summary
The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes runs tar inside the container to create a tar archive, copies it over the network, and kubectl unpacks it on the user’s machine. If the tar binary in the container is malicious, it could run any code and output unexpected, malicious results. An attacker could use this to write files to any path on the user’s machine when kubectl cp is called, limited only by the system permissions of the local user. Kubernetes affected versions include versions prior to 1.12.9, versions prior to 1.13.6, versions prior to 1.14.2, and versions 1.1, 1.2, 1.4, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11.
Severity
6.4 (Medium)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/kubernetes/kubernetes/pull/76788 | x_refsource_CONFIRM |
| https://groups.google.com/forum/#%21topic/kuberne… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2019091… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kubernetes | Kubernetes |
Affected:
prior to 1.12.9
Affected: prior to 1.13.6 Affected: prior to 1.14.2 Affected: 1.1 Affected: 1.2 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 |
Date Public
2019-06-21 00:00
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CVE-2017-14798 (GCVE-0-2017-14798)
Vulnerability from cvelistv5 – Published: 2018-03-01 19:00 – Updated: 2024-09-16 19:20
VLAI
EPSS
VEX
Title
local privilege escalation in SUSE postgresql init script
Summary
A race condition in the postgresql init script could be used by attackers able to access the postgresql account to escalate their privileges to root.
Severity
7.3 (High)
CWE
- creation of directory could follow symlinks
- CWE-61
Assigner
microfocus
CNA
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/45184/ | exploitx_refsource_EXPLOIT-DB |
| https://bugzilla.suse.com/show_bug.cgi?id=1062722 | x_refsource_CONFIRM |
| https://www.suse.com/de-de/security/cve/CVE-2017-14798/ | x_refsource_CONFIRM |
| http://lists.suse.com/pipermail/sle-security-upda… | vendor-advisoryx_refsource_SUSE |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| suse | postgresql-init |
Affected:
unspecified , ≤ 9.4-0.5.3.1
(custom)
|
Date Public
2017-11-27 00:00
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GHSA-2C78-596M-9G6P
Vulnerability from github – Published: 2024-03-28 21:30 – Updated: 2024-03-28 21:30
VLAI
Details
Dell PowerScale OneFS versions 9.4.0.x through 9.7.0.x contains an UNIX symbolic link (symlink) following vulnerability. A local high privileged attacker could potentially exploit this vulnerability, leading to denial of service, information tampering.
Severity
6.0 (Medium)
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"id": "GHSA-2c78-596m-9g6p",
"modified": "2024-03-28T21:30:31Z",
"published": "2024-03-28T21:30:31Z",
"references": [
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Mitigation
Implementation
Symbolic link attacks often occur when a program creates a tmp directory that stores files/links. Access to the directory should be restricted to the program as to prevent attackers from manipulating the files.
Mitigation MIT-48.1
Architecture and Design
Strategy: Separation of Privilege
- Follow the principle of least privilege when assigning access rights to entities in a software system.
- Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.
CAPEC-27: Leveraging Race Conditions via Symbolic Links
This attack leverages the use of symbolic links (Symlinks) in order to write to sensitive files. An attacker can create a Symlink link to a target file not otherwise accessible to them. When the privileged program tries to create a temporary file with the same name as the Symlink link, it will actually write to the target file pointed to by the attackers' Symlink link. If the attacker can insert malicious content in the temporary file they will be writing to the sensitive file by using the Symlink. The race occurs because the system checks if the temporary file exists, then creates the file. The attacker would typically create the Symlink during the interval between the check and the creation of the temporary file.