CVE-2023-37954 : Exploit Details and Defense Strategies

A CSRF vulnerability in Jenkins Rebuilder Plugin allows attackers to rebuild a previous build.

Understanding CVE-2023-37954

This CVE identifies a cross-site request forgery (CSRF) vulnerability in Jenkins Rebuilder Plugin, potentially impacting the security of Jenkins instances.

What is CVE-2023-37954?

CVE-2023-37954 is a security vulnerability in Jenkins Rebuilder Plugin versions 320.v5a_0933a_e7d61 and earlier that enables attackers to maliciously rebuild a previous build through CSRF attacks.

The Impact of CVE-2023-37954

The vulnerability poses a risk of unauthorized modifications to build configurations, potentially leading to integrity issues or unauthorized code executions within the Jenkins environment.

Technical Details of CVE-2023-37954

This section outlines the key technical aspects of CVE-2023-37954.

Vulnerability Description

The CSRF flaw in Jenkins Rebuilder Plugin allows attackers to initiate unauthorized rebuilds of prior builds, leading to potential security breaches and unauthorized access.

Affected Systems and Versions

Jenkins Rebuilder Plugin versions up to 320.v5a_0933a_e7d61 are affected by this CVE, highlighting the importance of updating to the latest secure versions immediately.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious requests that trick authenticated Jenkins users into triggering unauthorized rebuild actions unknowingly.

Mitigation and Prevention

Protecting your Jenkins environment from CVE-2023-37954 requires immediate action and long-term security practices.

Immediate Steps to Take

Update: Quickly update Jenkins Rebuilder Plugin to the latest patched version to mitigate the CSRF vulnerability.
Monitor Traffic: Regularly monitor Jenkins server logs for suspicious activities indicating CSRF attacks.

Long-Term Security Practices

Regular Security Audits: Conduct periodic security audits to identify and address vulnerabilities proactively.
Educate Users: Train Jenkins users to recognize and report suspicious activities that could indicate security threats.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Jenkins Project to address known security vulnerabilities.