CVE-2022-34170 : What You Need to Know

In this article, you will learn about CVE-2022-34170, a vulnerability in Jenkins versions 2.320 to 2.355 and LTS 2.332.1 to LTS 2.332.3 that could lead to a cross-site scripting (XSS) attack.

Understanding CVE-2022-34170

This section provides an overview of the CVE-2022-34170 vulnerability in Jenkins.

What is CVE-2022-34170?

CVE-2022-34170 is a security vulnerability found in Jenkins versions 2.320 through 2.355 and LTS 2.332.1 through LTS 2.332.3. It involves a cross-site scripting (XSS) vulnerability that can be exploited by attackers with specific permissions.

The Impact of CVE-2022-34170

The vulnerability in Jenkins could allow attackers with Job/Configure permission to execute XSS attacks by manipulating the tooltip feature within the help icon.

Technical Details of CVE-2022-34170

This section dives into the technical aspects of the CVE-2022-34170 vulnerability in Jenkins.

Vulnerability Description

The vulnerability occurs due to the help icon in Jenkins not properly escaping the feature name in its tooltip, which essentially reverses a previous security fix and opens up the system to XSS attacks.

Affected Systems and Versions

Jenkins versions 2.320 through 2.355 (inclusive) and LTS 2.332.1 through LTS 2.332.3 (inclusive) are impacted by this vulnerability.

Exploitation Mechanism

Attackers with Job/Configure permission can exploit this vulnerability by injecting malicious scripts into the tooltip, leveraging the lack of proper escaping mechanisms.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent the exploitation of CVE-2022-34170 in Jenkins.

Immediate Steps to Take

Users and administrators are advised to update Jenkins to a non-vulnerable version or apply patches provided by the Jenkins project to address this XSS vulnerability.

Long-Term Security Practices

Implementing secure coding practices, regular security audits, and educating users about the risks of XSS attacks can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates from the Jenkins project and promptly apply patches to ensure the system is protected against known vulnerabilities.