CVE-2021-22252 : Vulnerability Insights and Analysis
Learn about CVE-2021-22252, a GitLab vulnerability allowing unauthorized access to protected CI variables in versions 13.7 to 14.1.2. Explore impact, affected systems, and mitigation steps.
A detailed overview of CVE-2021-22252, a vulnerability in GitLab affecting versions 13.7 to 14.1.2.
Understanding CVE-2021-22252
This section delves into the impact and technical details of the vulnerability.
What is CVE-2021-22252?
A confusion between tag and branch names in GitLab CE/EE versions 13.7 to 14.1.2 allowed Developers to access protected CI variables meant only for Maintainers.
The Impact of CVE-2021-22252
The vulnerability posed a medium-severity threat with high confidentiality impact, enabling unauthorized access to sensitive CI variables.
Technical Details of CVE-2021-22252
Explore the specifics of the vulnerability.
Vulnerability Description
Incorrect ownership assignment in GitLab led to the exposure of protected CI variables.
Affected Systems and Versions
GitLab versions >=13.7, <13.12.9, >=14.0, <14.0.7, and >=14.1, <14.1.2 were affected by this vulnerability.
Exploitation Mechanism
The confusion between tag and branch names enabled Developers to exploit the vulnerability and access restricted CI variables.
Mitigation and Prevention
Discover the steps to mitigate and prevent exploitation of this vulnerability.
Immediate Steps to Take
Users are advised to update GitLab to versions 13.12.9, 14.0.7, or 14.1.2 to patch the vulnerability.
Long-Term Security Practices
Implement strict access controls and regular security audits to prevent similar vulnerabilities in the future.
Patching and Updates
Regularly update GitLab to the latest versions to ensure protection against known vulnerabilities.