CVE-2023-41932 : Vulnerability Insights and Analysis

A security vulnerability has been identified in the Jenkins Job Configuration History Plugin that could allow attackers to delete attacker-specified directories on the Jenkins controller file system.

Understanding CVE-2023-41932

This CVE refers to a flaw in the Jenkins Job Configuration History Plugin that could be exploited by attackers to manipulate certain query parameters and delete directories on the Jenkins controller file system.

What is CVE-2023-41932?

The Jenkins Job Configuration History Plugin versions 1227.v7a_79fc4dc01f and earlier are affected by this vulnerability. Attackers can exploit this flaw to delete directories containing a file named 'history.xml' on the Jenkins controller file system.

The Impact of CVE-2023-41932

Exploiting this vulnerability could lead to the unauthorized deletion of critical directories on the Jenkins controller file system, potentially disrupting the normal operation of Jenkins.

Technical Details of CVE-2023-41932

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability lies in the failure of the Jenkins Job Configuration History Plugin to restrict 'timestamp' query parameters in various endpoints, enabling attackers to delete specific directories on the Jenkins controller file system.

Affected Systems and Versions

The affected product is the Jenkins Job Configuration History Plugin, specifically versions 1227.v7a_79fc4dc01f and earlier that are utilizing the Maven versioning system.

Exploitation Mechanism

By exploiting the lack of proper input validation, attackers can craft malicious requests containing 'timestamp' query parameters to delete attacker-specified directories on the Jenkins controller file system.

Mitigation and Prevention

To protect systems from this vulnerability and mitigate potential risks, follow the recommended steps below.

Immediate Steps to Take

Update the Jenkins Job Configuration History Plugin to a patched version that addresses this vulnerability.
Ensure proper input validation and sanitization of user-controlled input to prevent malicious directory deletion.

Long-Term Security Practices

Regularly monitor and audit directory changes on the Jenkins controller file system for any unauthorized modifications.
Educate users on safe programming practices and the importance of secure coding methodologies.

Patching and Updates

Stay informed about security updates and patches released by the Jenkins Project to address known vulnerabilities such as CVE-2023-41932.