CVE-2022-27196 Explained : Impact and Mitigation

A detailed overview of CVE-2022-27196 focusing on the Jenkins Favorite Plugin vulnerability.

Understanding CVE-2022-27196

CVE-2022-27196 is a security vulnerability found in the Jenkins Favorite Plugin that allows for a stored cross-site scripting (XSS) attack.

What is CVE-2022-27196?

The CVE-2022-27196 vulnerability exists in Jenkins Favorite Plugin version 2.4.0 and earlier. It arises from a failure to properly escape job names in the favorite column, making it susceptible to XSS exploits by attackers with specific permissions.

The Impact of CVE-2022-27196

This vulnerability could be exploited by malicious actors with Item/Configure or Item/Create permissions to execute XSS attacks, potentially leading to unauthorized access or data manipulation within the Jenkins environment.

Technical Details of CVE-2022-27196

Here are the technical aspects associated with CVE-2022-27196:

Vulnerability Description

The issue arises from the improper handling of job names in the favorite column, allowing for the execution of stored XSS attacks by authorized users.

Affected Systems and Versions

The vulnerability affects Jenkins Favorite Plugin versions 2.4.0 and earlier, while version 2.3.3.1 is not impacted.

Exploitation Mechanism

Attackers with Item/Configure or Item/Create permissions can exploit this vulnerability by injecting malicious scripts through job names in the favorite column.

Mitigation and Prevention

Protecting your system from CVE-2022-27196 is crucial. Here are some essential measures:

Immediate Steps to Take

Upgrade Jenkins Favorite Plugin to version 2.4.1 or later to mitigate the vulnerability.
Restrict permissions for Item/Configure and Item/Create to trusted users only.

Long-Term Security Practices

Regularly monitor security advisories from Jenkins project and apply patches promptly.
Educate users on safe practices to prevent XSS attacks within the Jenkins environment.

Patching and Updates

Stay informed about security updates and patches released by the Jenkins project to address vulnerabilities like CVE-2022-27196.