CVE-2023-49654 : Exploit Details and Defense Strategies
Learn about CVE-2023-49654, a vulnerability in Jenkins MATLAB Plugin allowing unauthorized access to XML files. Find mitigation steps and best practices here.
Understanding CVE-2023-49654
A vulnerability has been discovered in Jenkins MATLAB Plugin version 2.11.0 and earlier, allowing attackers to manipulate Jenkins to parse an XML file from the Jenkins controller file system.
What is CVE-2023-49654?
CVE-2023-49654 is a vulnerability that arises from missing permission checks in the Jenkins MATLAB Plugin, enabling unauthorized access to XML files stored on the Jenkins controller file system.
The Impact of CVE-2023-49654
The impact of this vulnerability could result in unauthorized access to sensitive XML files, potentially leading to further exploitation and compromise of the Jenkins system.
Technical Details of CVE-2023-49654
This section provides a deeper insight into the vulnerability.
Vulnerability Description
The issue stems from a lack of proper permission validation in the Jenkins MATLAB Plugin, specifically versions up to 2.11.0, allowing malicious actors to manipulate the system to access XML files.
Affected Systems and Versions
- Vendor: Jenkins Project
- Product: Jenkins MATLAB Plugin
- Vulnerable Versions: 2.11.0 and earlier
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the lack of permission checks to force Jenkins to parse XML files from the controller file system.
Mitigation and Prevention
Below are the steps to mitigate and prevent exploitation of CVE-2023-49654.
Immediate Steps to Take
- Update Jenkins MATLAB Plugin to a version beyond 2.11.0 that includes the necessary permission checks.
- Restrict access to critical XML files and directories within the Jenkins controller file system.
Long-Term Security Practices
- Conduct regular security assessments and audits of Jenkins plugins to identify and address vulnerabilities promptly.
- Educate users on secure coding practices and the importance of access control within the Jenkins environment.
Patching and Updates
Stay informed about security updates from Jenkins Project and promptly apply patches to mitigate known vulnerabilities.