CVE-2023-24434 : Exploit Details and Defense Strategies

This CVE record pertains to a vulnerability in the Jenkins GitHub Pull Request Builder Plugin that allows attackers to perform cross-site request forgery (CSRF) attacks, potentially enabling them to connect to a specified URL using credentials obtained through another method.

Understanding CVE-2023-24434

This section provides insights into the nature and impact of CVE-2023-24434.

What is CVE-2023-24434?

CVE-2023-24434 is a CSRF vulnerability found in the Jenkins GitHub Pull Request Builder Plugin versions 1.42.2 and earlier. Exploiting this vulnerability allows attackers to connect to a URL with specified credentials, potentially compromising sensitive information stored in Jenkins.

The Impact of CVE-2023-24434

The impact of this vulnerability lies in the potential for unauthorized access to Jenkins credentials, posing a security risk to the integrity and confidentiality of data stored in the Jenkins platform.

Technical Details of CVE-2023-24434

This section delves into the technical aspects of CVE-2023-24434, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the Jenkins GitHub Pull Request Builder Plugin version 1.42.2 and earlier allows attackers to perform CSRF attacks, leading to unauthorized connections to specified URLs using obtained credentials.

Affected Systems and Versions

The CVE-2023-24434 affects Jenkins GitHub Pull Request Builder Plugin versions 1.42.2 and earlier. Systems running these versions are at risk of CSRF attacks and unauthorized access.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating CSRF requests to connect to specific URLs using credentials obtained through other means, potentially compromising Jenkins credentials and sensitive information.

Mitigation and Prevention

In this section, we explore steps to mitigate the risks associated with CVE-2023-24434 and prevent potential exploitation.

Immediate Steps to Take

Users are advised to update the Jenkins GitHub Pull Request Builder Plugin to a secure version that addresses the CSRF vulnerability. Additionally, monitoring for any unauthorized access or suspicious activity is crucial.

Long-Term Security Practices

Implementing robust security measures, such as enforcing strong authentication mechanisms, regularly auditing and updating plugins, and conducting security training for users can enhance the overall security posture of Jenkins environments.

Patching and Updates

Staying informed about security advisories and promptly applying patches released by Jenkins Project for the GitHub Pull Request Builder Plugin is essential to mitigate vulnerabilities like CVE-2023-24434 and maintain a secure Jenkins environment.