CVE-2022-45387 : Vulnerability Insights and Analysis

A stored cross-site scripting (XSS) vulnerability has been identified in Jenkins BART Plugin version 1.0.3 and earlier. This vulnerability allows attackers to execute malicious scripts in the context of an unsuspecting user's session.

Understanding CVE-2022-45387

This section dives into the specifics of the CVE-2022-45387 vulnerability in the Jenkins BART Plugin.

What is CVE-2022-45387?

The CVE-2022-45387 vulnerability exists in Jenkins BART Plugin versions 1.0.3 and earlier. It arises due to the lack of proper content escaping in the rendering of build logs on the Jenkins UI, leading to a stored cross-site scripting (XSS) risk.

The Impact of CVE-2022-45387

This XSS vulnerability enables malicious actors to inject and execute arbitrary scripts in the victim's browser. This could result in the theft of sensitive data, session hijacking, or other unauthorized actions.

Technical Details of CVE-2022-45387

Explore the technical aspects of the CVE-2022-45387 vulnerability for a comprehensive understanding.

Vulnerability Description

Jenkins BART Plugin version 1.0.3 and earlier fail to properly escape the content of build logs, allowing attackers to inject malicious scripts that get executed when viewed on the Jenkins UI.

Affected Systems and Versions

The vulnerable versions include Jenkins BART Plugin 1.0.3 and earlier.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious scripts and injecting them into the vulnerable build logs. When a user views the manipulated logs on the Jenkins UI, the scripts get executed in their browser.

Mitigation and Prevention

Discover the steps to mitigate the risk posed by CVE-2022-45387 in the Jenkins BART Plugin.

Immediate Steps to Take

Update Jenkins BART Plugin to a non-vulnerable version that includes a patch for the XSS issue.
Avoid viewing untrusted or suspicious build logs on the Jenkins UI.

Long-Term Security Practices

Regularly update all Jenkins plugins and platforms to the latest secure versions. Implement content security policies (CSPs) to minimize the impact of XSS attacks.

Patching and Updates

Stay informed about security advisories and patches released by Jenkins to address vulnerabilities like CVE-2022-45387.