Directory Traversal Vulnerability in plexus-utils2: Access to Arbitrary Files
Summary
CVE-2022-4244: A flaw was found in codeplex-codehaus. Affects plexus-utils2 across 2 version ranges.
< 3.0.24-1
< fd36d8b80ba10955ef065230571ce2be2d4c1bbb
Fixed in 3.0.24-1. How to fix ↓
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Background
plexus-utils2 is a utility library used in various Java applications, providing essential functions for handling file operations, data manipulation, and other common tasks. Its design aims to simplify development processes by offering reusable components. However, the library has been found vulnerable to a directory traversal attack, which could allow unauthorized access to sensitive files outside the intended directory structure.
Vulnerability Detail
A flaw was identified in plexus-utils2 that allows for a directory traversal attack. This vulnerability arises from improper validation of file paths, enabling attackers to manipulate file requests using 'dot-dot-slash (../)' sequences or absolute paths. The potential ramifications include unauthorized access to critical system files, application source code, and configuration files, which could lead to data breaches or system compromise.
How To Fix
Minimum fixed version
3.0.24-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade plexus-utils2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If an immediate update is not feasible, consider implementing input validation to sanitize file paths and restrict access to only the intended directories. This can be done by checking for 'dot-dot-slash' sequences and rejecting any paths that attempt to traverse outside the designated folder.
Conclusion
The directory traversal vulnerability in plexus-utils2 poses a significant risk by allowing unauthorized access to critical files. It is essential to update the package to the latest version to mitigate this risk. Additionally, implementing input validation can serve as a temporary workaround until the update is applied.
See every vulnerability recorded for plexus-utils2 →
FAQ
A directory traversal attack is a security vulnerability that allows an attacker to access files and directories stored outside the intended folder by manipulating file paths.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By uploading your manifest file like package-lock.json, you can check for vulnerabilities without needing to install any software.
The consequences include unauthorized access to sensitive files, which could lead to data breaches, exposure of application source code, and potential system compromise.
Yes, you can implement input validation to sanitize file paths and restrict access to only the intended directories as a temporary measure.
The CVSS score of this vulnerability is 7.5, indicating a high severity level.
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