CVE-2022-34178 : Security Advisory and Response

This article provides detailed information on CVE-2022-34178, a vulnerability found in Jenkins Embeddable Build Status Plugin version 2.0.3.

Understanding CVE-2022-34178

This section delves into the nature of the vulnerability and its impact.

What is CVE-2022-34178?

CVE-2022-34178 is a cross-site scripting (XSS) vulnerability in Jenkins Embeddable Build Status Plugin version 2.0.3. It allows specifying a 'link' query parameter that build status badges will link to, without restricting possible values, potentially leading to malicious code execution.

The Impact of CVE-2022-34178

The exploitation of this vulnerability could enable attackers to execute arbitrary scripts in the context of a user's browser, leading to various malicious activities such as data theft, account takeover, and unauthorized actions on behalf of the user.

Technical Details of CVE-2022-34178

This section outlines technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from the lack of validation on the 'link' query parameter, allowing attackers to inject and execute malicious scripts.

Affected Systems and Versions

Jenkins Embeddable Build Status Plugin version 2.0.3 is affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a specially designed link parameter containing malicious scripts that, when clicked by a user, execute unauthorized actions.

Mitigation and Prevention

This section provides guidance on mitigating the risks associated with CVE-2022-34178.

Immediate Steps to Take

Users are advised to update the Jenkins Embeddable Build Status Plugin to a patched version that addresses the XSS vulnerability. Additionally, caution should be exercised when clicking on links from untrusted sources.

Long-Term Security Practices

Implementing secure coding practices, conducting code reviews, and staying informed about security updates can help prevent XSS vulnerabilities in the long term.

Patching and Updates

Regularly monitor security advisories from Jenkins project and promptly apply patches and updates to ensure that software remains protected against known vulnerabilities.