CVE-2022-20615 : What You Need to Know

A stored cross-site scripting (XSS) vulnerability has been identified in Jenkins Matrix Project Plugin version 1.19 and earlier. This CVE allows attackers with Agent/Configure permission to exploit the vulnerability by not escaping HTML metacharacters in node and label names, and label descriptions.

Understanding CVE-2022-20615

This section will provide insights into the nature and impact of the CVE.

What is CVE-2022-20615?

The CVE-2022-20615 pertains to a stored cross-site scripting (XSS) vulnerability found in Jenkins Matrix Project Plugin version 1.19 and earlier. This vulnerability arises due to the failure to escape HTML metacharacters in certain fields.

The Impact of CVE-2022-20615

The impact of this vulnerability allows malicious actors with specific permissions to execute cross-site scripting attacks, potentially compromising the integrity and confidentiality of the affected system.

Technical Details of CVE-2022-20615

This section will delve into the technical aspects of the CVE.

Vulnerability Description

Jenkins Matrix Project Plugin versions 1.19 and earlier are susceptible to stored cross-site scripting (XSS) attacks due to inadequate HTML metacharacter escaping in certain text fields.

Affected Systems and Versions

The vulnerability affects Jenkins Matrix Project Plugin version 1.19 and any earlier versions. Specifically, versions less than or equal to 1.19 are impacted, while version 1.18.1 is unaffected.

Exploitation Mechanism

Attackers with Agent/Configure permission can exploit this vulnerability by injecting malicious scripts through node and label names, and label descriptions in the affected Jenkins plugin.

Mitigation and Prevention

In this section, we will outline the steps to mitigate and prevent exploitation of CVE-2022-20615.

Immediate Steps to Take

Users are advised to update Jenkins Matrix Project Plugin to a version beyond 1.19 to mitigate the XSS vulnerability. Additionally, restricting permissions for Agent/Configure can help reduce the attack surface.

Long-Term Security Practices

Implement regular security audits and vulnerability scanning procedures to detect and address XSS vulnerabilities promptly. Educating users on safe coding practices and security awareness is also crucial to prevent such exploits.

Patching and Updates

Stay informed about security advisories from Jenkins project and promptly apply patches and updates to address known vulnerabilities and enhance the security posture of your Jenkins environment.