CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
CVE-2020-2024 (GCVE-0-2020-2024)
Vulnerability from cvelistv5 – Published: 2020-05-19 21:05 – Updated: 2024-09-17 01:01
VLAI
Title
Kata Containers - Guests can trick the kata-runtime into unmounting any mount point on the host
Summary
An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.
Severity
6.5 (Medium)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/runtime/issues/2474 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/pull/2475 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kata Containers | Kata Containers |
Affected:
unspecified , < 1.11.0
(custom)
|
Date Public
2020-05-19 00:00
Credits
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CVE-2020-2026 (GCVE-0-2020-2026)
Vulnerability from cvelistv5 – Published: 2020-06-10 17:27 – Updated: 2024-09-16 19:35
VLAI
Title
Kata Containers - Guests can trick the kata-runtime into mounting the container image on any host path
Summary
A malicious guest compromised before a container creation (e.g. a malicious guest image or a guest running multiple containers) can trick the kata runtime into mounting the untrusted container filesystem on any host path, potentially allowing for code execution on the host. This issue affects: Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; Kata Containers 1.9 and earlier versions.
Severity
7.8 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/issues/2712 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/pull/2713 | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kata Containers | Kata Containers |
Affected:
1.11 , < 1.11.1
(custom)
Affected: 1.10 , < 1.10.5 (custom) Affected: 1 , ≤ 1.9 (custom) |
Date Public
2020-06-10 00:00
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CVE-2020-26277 (GCVE-0-2020-26277)
Vulnerability from cvelistv5 – Published: 2020-12-21 21:15 – Updated: 2024-08-04 15:56
VLAI
Title
Arbitrary read/write in DBdeployer
Summary
DBdeployer is a tool that deploys MySQL database servers easily. In DBdeployer before version 1.58.2, users unpacking a tarball may use a maliciously packaged tarball that contains symlinks to files external to the target. In such scenario, an attacker could induce dbdeployer to write into a system file, thus altering the computer defenses. For the attack to succeed, the following factors need to contribute: 1) The user is logged in as root. While dbdeployer is usable as root, it was designed to run as unprivileged user. 2) The user has taken a tarball from a non secure source, without testing the checksum. When the tarball is retrieved through dbdeployer, the checksum is compared before attempting to unpack. This has been fixed in version 1.58.2.
Severity
6.1 (Medium)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/datacharmer/dbdeployer/securit… | x_refsource_CONFIRM |
| https://github.com/datacharmer/dbdeployer/commit/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| datacharmer | dbdeployer |
Affected:
< 1.58.2
|
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CVE-2020-28935 (GCVE-0-2020-28935)
Vulnerability from cvelistv5 – Published: 2020-12-07 21:46 – Updated: 2024-09-16 23:27
VLAI
Title
Local symlink attack in Unbound and NSD
Summary
NLnet Labs Unbound, up to and including version 1.12.0, and NLnet Labs NSD, up to and including version 4.3.3, contain a local vulnerability that would allow for a local symlink attack. When writing the PID file, Unbound and NSD create the file if it is not there, or open an existing file for writing. In case the file was already present, they would follow symlinks if the file happened to be a symlink instead of a regular file. An additional chown of the file would then take place after it was written, making the user Unbound/NSD is supposed to run as the new owner of the file. If an attacker has local access to the user Unbound/NSD runs as, she could create a symlink in place of the PID file pointing to a file that she would like to erase. If then Unbound/NSD is killed and the PID file is not cleared, upon restarting with root privileges, Unbound/NSD will rewrite any file pointed at by the symlink. This is a local vulnerability that could create a Denial of Service of the system Unbound/NSD is running on. It requires an attacker having access to the limited permission user Unbound/NSD runs as and point through the symlink to a critical file on the system.
Severity
No CVSS data available.
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
5 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Unbound |
Affected:
<= 1.12.0
|
|
| NLnet Labs | NSD |
Affected:
<= 4.3.3
|
Date Public
2020-12-01 00:00
Credits
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CVE-2020-3223 (GCVE-0-2020-3223)
Vulnerability from cvelistv5 – Published: 2020-06-03 17:41 – Updated: 2024-11-15 17:15
VLAI
Title
Cisco IOS XE Software Web UI Arbitrary File Read Vulnerability
Summary
A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to read arbitrary files on the underlying filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web UI. An exploit could allow the attacker to read arbitrary files from the underlying operating system's filesystem.
Severity
4.5 (Medium)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XE Software 16.9.4 |
Affected:
n/a
|
Date Public
2020-06-03 00:00
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CVE-2020-3237 (GCVE-0-2020-3237)
Vulnerability from cvelistv5 – Published: 2020-06-03 17:55 – Updated: 2024-11-15 17:11
VLAI
Title
Cisco IOx Application Framework Arbitrary File Overwrite Vulnerability
Summary
A vulnerability in the Cisco Application Framework component of the Cisco IOx application environment could allow an authenticated, local attacker to overwrite arbitrary files in the virtual instance that is running on the affected device. The vulnerability is due to insufficient path restriction enforcement. An attacker could exploit this vulnerability by including a crafted file in an application package. An exploit could allow the attacker to overwrite files.
Severity
6.3 (Medium)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Date Public
2020-06-03 00:00
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CVE-2020-3432 (GCVE-0-2020-3432)
Vulnerability from cvelistv5 – Published: 2025-02-11 23:56 – Updated: 2025-02-26 18:00
VLAI
Title
Cisco AnyConnect Secure Mobility Client for Mac OS File Corruption Vulnerability
Summary
A vulnerability in the uninstaller component of Cisco AnyConnect Secure Mobility Client for Mac OS could allow an authenticated, local attacker to corrupt the content of any file in the filesystem.
The vulnerability is due to the incorrect handling of directory paths. An attacker could exploit this vulnerability by creating a symbolic link (symlink) to a target file on a specific path. A successful exploit could allow the attacker to corrupt the contents of the file. If the file is a critical systems file, the exploit could lead to a denial of service condition. To exploit this vulnerability, the attacker would need to have valid credentials on the system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Severity
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Secure Client |
Affected:
N/A
|
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CVE-2020-3437 (GCVE-0-2020-3437)
Vulnerability from cvelistv5 – Published: 2020-07-16 17:22 – Updated: 2024-11-13 18:19
VLAI
Title
Cisco SD-WAN vManage Software Information Disclosure Vulnerability
Summary
A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the filesystem of the underlying operating system.
Severity
6.5 (Medium)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| http://packetstormsecurity.com/files/162958/Cisco… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco SD-WAN vManage |
Affected:
n/a
|
Date Public
2020-07-15 00:00
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CVE-2020-5738 (GCVE-0-2020-5738)
Vulnerability from cvelistv5 – Published: 2020-04-14 13:48 – Updated: 2024-08-04 08:39
VLAI
Summary
Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker uploads a specially crafted tar file to the HTTP /cgi-bin/upload_vpntar interface.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.tenable.com/security/research/tra-2020-22 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Grandstream GXP1600 Series |
Affected:
1.0.4.152 and below
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CVE-2020-6012 (GCVE-0-2020-6012)
Vulnerability from cvelistv5 – Published: 2020-08-04 13:35 – Updated: 2024-08-04 08:47
VLAI
Summary
ZoneAlarm Anti-Ransomware before version 1.0.713 copies files for the report from a directory with low privileges. A sophisticated timed attacker can replace those files with malicious or linked content, such as exploiting CVE-2020-0896 on unpatched systems or using symbolic links. This allows an unprivileged user to enable escalation of privilege via local access.
Severity
No CVSS data available.
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.zonealarm.com/software/extreme-securi… | x_refsource_MISC |
| https://www.zonealarm.com/anti-ransomware/release… | x_refsource_MISC |
| https://danishcyberdefence.dk/blog/zonealarm-chec… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | ZoneAlarm Anti-Ransomware |
Affected:
before 1.0.713
|
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Mitigation ID: MIT-48.1
Phase: Architecture and Design
Strategy: Separation of Privilege
Description:
- 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-132: Symlink Attack
An adversary positions a symbolic link in such a manner that the targeted user or application accesses the link's endpoint, assuming that it is accessing a file with the link's name.
CAPEC-17: Using Malicious Files
An attack of this type exploits a system's configuration that allows an adversary to either directly access an executable file, for example through shell access; or in a possible worst case allows an adversary to upload a file and then execute it. Web servers, ftp servers, and message oriented middleware systems which have many integration points are particularly vulnerable, because both the programmers and the administrators must be in synch regarding the interfaces and the correct privileges for each interface.
CAPEC-35: Leverage Executable Code in Non-Executable Files
An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.
CAPEC-76: Manipulating Web Input to File System Calls
An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.