Learn about CVE-2022-25196 affecting Jenkins GitLab Authentication Plugin versions 1.13 and earlier. Find details on impact, exploitation, mitigation steps, and prevention.
Jenkins GitLab Authentication Plugin 1.13 and earlier versions are affected by a vulnerability where the HTTP Referer header is recorded as part of the URL query parameters during the authentication process. This flaw enables attackers with access to Jenkins to create a URL that redirects users to a specified malicious URL after logging in.
Understanding CVE-2022-25196
This CVE affects Jenkins GitLab Authentication Plugin versions 1.13 and earlier, potentially exposing users to redirection attacks.
What is CVE-2022-25196?
Jenkins GitLab Authentication Plugin versions 1.13 and below mishandle the HTTP Referer header, allowing unauthorized individuals to manipulate URLs and redirect users to malicious sites post-log-in.
The Impact of CVE-2022-25196
The vulnerability in Jenkins GitLab Authentication Plugin could be exploited by attackers with access to Jenkins to craft URLs that direct users to attacker-controlled destinations, compromising the security and integrity of user sessions.
Technical Details of CVE-2022-25196
This section sheds light on the specifics of the vulnerability.
Vulnerability Description
The flaw occurs in Jenkins GitLab Authentication Plugin versions 1.13 and earlier, where the Referer header is integrated into URL query parameters during authentication, facilitating unauthorized URL redirection attacks.
Affected Systems and Versions
Exploitation Mechanism
Attackers with access to Jenkins can leverage this vulnerability to construct URLs that lead users to specified malicious URLs upon successful authentication.
Mitigation and Prevention
It is crucial to implement immediate and long-term measures to address and prevent the exploitation of this CVE.
Immediate Steps to Take
Users and administrators are advised to update Jenkins GitLab Authentication Plugin to a patched version immediately to mitigate the risk of unauthorized URL redirection attacks.
Long-Term Security Practices
Regularly monitor security advisories and update Jenkins plugins promptly to safeguard against potential vulnerabilities and exploit attempts.
Patching and Updates
Stay informed about security patches released by Jenkins project and promptly apply updates to ensure the latest security fixes are in place.