Learn about CVE-2022-4167, affecting GitLab EE versions 13.11 to 15.7.2. Unauthorized access risk due to group token loophole. Mitigation steps provided.
This article provides detailed information about CVE-2022-4167, an Incorrect Authorization check vulnerability affecting GitLab.
Understanding CVE-2022-4167
CVE-2022-4167 is an authorization check issue impacting all versions of GitLab EE from 13.11 to 15.7.2, allowing group access tokens to remain active even after the group owner loses the ability to revoke them.
What is CVE-2022-4167?
CVE-2022-4167 is an Incorrect Authorization check vulnerability in GitLab EE versions, posing a medium severity threat to confidentiality.
The Impact of CVE-2022-4167
This vulnerability could lead to unauthorized access due to the continued functionality of group access tokens beyond revocation by the owner.
Technical Details of CVE-2022-4167
This section delves into the specifics of the vulnerability.
Vulnerability Description
The issue affects GitLab EE versions 13.11 to 15.7.2, enabling group access tokens to persist post owner revocation.
Affected Systems and Versions
GitLab EE versions >=13.11 and <15.7.2 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this flaw to maintain access using group tokens despite the owner's attempts to revoke them.
Mitigation and Prevention
Discover how to address and secure your systems against CVE-2022-4167.
Immediate Steps to Take
It's recommended to update affected GitLab versions to mitigate the vulnerability and prevent unauthorized access.
Long-Term Security Practices
Enforce robust authorization controls and regularly update GitLab installations to bolster security.
Patching and Updates
Stay informed about security patches and promptly apply updates to safeguard your GitLab environment.