CWE-61

UNIX Symbolic Link (Symlink) Following

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.

CVE-2022-31036 (GCVE-0-2022-31036)

Vulnerability from cvelistv5 – Published: 2022-06-27 19:15 – Updated: 2025-04-23 18:08
VLAI
Title
Symlink following allows leaking out-of-bounds YAML files from Argo CD repo-server
Summary
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. All versions of Argo CD starting with v1.3.0 are vulnerable to a symlink following bug allowing a malicious user with repository write access to leak sensitive YAML files from Argo CD's repo-server. A malicious Argo CD user with write access for a repository which is (or may be) used in a Helm-type Application may commit a symlink which points to an out-of-bounds file. If the target file is a valid YAML file, the attacker can read the contents of that file. Sensitive files which could be leaked include manifest files from other Applications' source repositories (potentially decrypted files, if you are using a decryption plugin) or any YAML-formatted secrets which have been mounted as files on the repo-server. Patches for this vulnerability has been released in the following Argo CD versions: v2.4.1, v2.3.5, v2.2.10 and v2.1.16. If you are using a version >=v2.3.0 and do not have any Helm-type Applications you may disable the Helm config management tool as a workaround.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-20 - Improper Input Validation
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
Vendor Product Version
argoproj argo-cd Affected: >= 1.3.0, < 2.1.16
Affected: >= 2.2.0, < 2.2.10
Affected: >= 2.3.0, < 2.3.5
Affected: >= 2.4.0, < 2.4.1
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CVE-2022-3592 (GCVE-0-2022-3592)

Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-04-08 15:14
VLAI
Summary
A symlink following vulnerability was found in Samba, where a user can create a symbolic link that will make 'smbd' escape the configured share path. This flaw allows a remote user with access to the exported part of the file system under a share via SMB1 unix extensions or NFS to create symlinks to files outside the 'smbd' configured share path and gain access to another restricted server's filesystem.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-61 - - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
Vendor Product Version
n/a samba Affected: Affects samba since 4.17.0, Fixed samba 4.17.2.
Show details on NVD website
To clipboard 

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CVE-2023-20091 (GCVE-0-2023-20091)

Vulnerability from cvelistv5 – Published: 2024-11-15 15:15 – Updated: 2024-11-15 17:48
VLAI
Title
Cisco TelePresence Collaboration Endpoint and RoomOS Software Arbitrary File Overwrite Vulnerability
Summary
A vulnerability in the CLI of Cisco TelePresence CE and RoomOS could allow an authenticated, local attacker to overwrite arbitrary files on the local file system of an affected device. This vulnerability is due to improper access controls on files that are on the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the affected device. To exploit this vulnerability, an attacker would need to have a remote support user account. Cisco&nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Severity
5.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
CWE
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco TelePresence Endpoint Software (TC/CE) Affected: CE9.10.2
Affected: CE9.1.4
Affected: CE9.9.3
Affected: CE9.10.3
Affected: CE9.1.5
Affected: CE9.2.4
Affected: CE9.10.1
Affected: CE9.13.0
Affected: CE9.1.2
Affected: CE9.1.1
Affected: CE9.9.4
Affected: CE9.2.1
Affected: CE9.1.3
Affected: CE9.0.1
Affected: CE9.1.6
Affected: CE9.12.4
Affected: CE9.2.2
Affected: CE9.12.3
Affected: CE9.2.3
Affected: CE9.13.1
Affected: CE9.14.3
Affected: CE9.14.4
Affected: CE9.13.2
Affected: CE9.12.5
Affected: CE9.14.5
Affected: CE9.15.0.10
Affected: CE9.15.0.11
Affected: CE9.13.3
Affected: CE9.15.0.13
Affected: CE9.14.6
Affected: CE9.15.3.17
Affected: CE9.14.7
Affected: CE9.15.0.19
Affected: CE9.15.3.19
Affected: CE9.15.3.18
Affected: CE9.15.3.22
Affected: CE9.15.8.12
Affected: CE9.15.10.8
Affected: CE9.15.3.26
Affected: CE9.15.3.25
Affected: CE9.15.13.0
Affected: CE9.15.15.4
Affected: CE9.15.16.5
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-20092 (GCVE-0-2023-20092)

Vulnerability from cvelistv5 – Published: 2024-11-15 15:12 – Updated: 2024-11-15 15:42
VLAI
Title
Cisco TelePresence Collaboration Endpoint and RoomOS Software Arbitrary File Overwrite Vulnerability
Summary
Three vulnerabilities in the CLI of Cisco TelePresence CE and RoomOS could allow an authenticated, local attacker to overwrite arbitrary files on the local file system of an affected device. These vulnerabilities are due to improper access controls on files that are on the local file system. An attacker could exploit these vulnerabilities by placing a symbolic link in a specific location on the local file system of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the affected device. To exploit these vulnerabilities, an attacker would need to have a remote support user account. Note: CVE-2023-20092 does not affect Cisco DX70, DX80, TelePresence MX Series, or TelePresence SX Series devices. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2023-20093 (GCVE-0-2023-20093)

Vulnerability from cvelistv5 – Published: 2024-11-15 15:11 – Updated: 2024-11-15 15:43
VLAI
Title
Cisco TelePresence Collaboration Endpoint and RoomOS Software Arbitrary File Overwrite Vulnerability
Summary
Three vulnerabilities in the CLI of Cisco TelePresence CE and RoomOS could allow an authenticated, local attacker to overwrite arbitrary files on the local file system of an affected device. These vulnerabilities are due to improper access controls on files that are on the local file system. An attacker could exploit these vulnerabilities by placing a symbolic link in a specific location on the local file system of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the affected device. To exploit these vulnerabilities, an attacker would need to have a remote support user account. Note: CVE-2023-20092 does not affect Cisco DX70, DX80, TelePresence MX Series, or TelePresence SX Series devices. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2023-37460 (GCVE-0-2023-37460)

Vulnerability from cvelistv5 – Published: 2023-07-25 19:41 – Updated: 2024-10-03 19:09
VLAI
Title
Plexus Archiver vulnerable to Arbitrary File Creation in AbstractUnArchiver
Summary
Plexis Archiver is a collection of Plexus components to create archives or extract archives to a directory with a unified `Archiver`/`UnArchiver` API. Prior to version 4.8.0, using AbstractUnArchiver for extracting an archive might lead to an arbitrary file creation and possibly remote code execution. When extracting an archive with an entry that already exists in the destination directory as a symbolic link whose target does not exist - the `resolveFile()` function will return the symlink's source instead of its target, which will pass the verification that ensures the file will not be extracted outside of the destination directory. Later `Files.newOutputStream()`, that follows symlinks by default, will actually write the entry's content to the symlink's target. Whoever uses plexus archiver to extract an untrusted archive is vulnerable to an arbitrary file creation and possibly remote code execution. Version 4.8.0 contains a patch for this issue.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2023-39246 (GCVE-0-2023-39246)

Vulnerability from cvelistv5 – Published: 2023-11-16 08:41 – Updated: 2024-08-02 18:02
VLAI
Summary
Dell Encryption, Dell Endpoint Security Suite Enterprise, and Dell Security Management Server version prior to 11.8.1 contain an Insecure Operation on Windows Junction Vulnerability during installation. A local malicious user could potentially exploit this vulnerability to create an arbitrary folder inside a restricted directory, leading to Privilege Escalation
Severity
4.6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:L
CWE
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
Date Public
2023-11-14 06:30
Show details on NVD website
To clipboard 

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CVE-2023-41969 (GCVE-0-2023-41969)

Vulnerability from cvelistv5 – Published: 2024-03-26 14:14 – Updated: 2024-10-17 15:11
VLAI
Title
ZSATrayManager Arbitrary File Deletion
Summary
An arbitrary file deletion in ZSATrayManager where it protects the temporary encrypted ZApp issue reporting file from the unprivileged end user access and modification. Fixed version: Win ZApp 4.3.0 and later.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
Zscaler Client Connector Affected: 0 , < 4.3.0 (custom)
Create a notification for this product.
Credits
Singapore GovTech Red Team
Show details on NVD website
To clipboard 

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CVE-2024-0134 (GCVE-0-2024-0134)

Vulnerability from cvelistv5 – Published: 2024-11-05 18:37 – Updated: 2024-11-05 18:52
VLAI
Summary
NVIDIA Container Toolkit and NVIDIA GPU Operator for Linux contain a UNIX vulnerability where a specially crafted container image can lead to the creation of unauthorized files on the host. The name and location of the files cannot be controlled by an attacker. A successful exploit of this vulnerability might lead to data tampering.
Severity
4.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
NVIDIA NVIDIA Container Toolkit Affected: All versions up to and including v1.16.2
Create a notification for this product.
NVIDIA NVIDIA GPU Operator Affected: All versions up to and including 24.6.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-1933 (GCVE-0-2024-1933)

Vulnerability from cvelistv5 – Published: 2024-03-26 12:47 – Updated: 2024-08-05 14:04
VLAI
Title
Improper symlink resolution in TeamViewer Remote client for macOS
Summary
Insecure UNIX Symbolic Link (Symlink) Following in TeamViewer Remote Client prior Version 15.52 for macOS allows an attacker with unprivileged access, to potentially elevate privileges or conduct a denial-of-service-attack by overwriting the symlink.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
TV
References
Impacted products
Vendor Product Version
TeamViewer Remote Client Affected: 0 , < 15.52 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation

Phase: Implementation

Description:

  • 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 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-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.

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