CVE-2022-3793 : Security Advisory and Response
Learn about CVE-2022-3793, an improper authorization issue in GitLab CE/EE versions allowing unauthorized access to variables in CI/CD configuration files. Find out how to mitigate this vulnerability.
An improper authorization issue in GitLab CE/EE allows an attacker to read variables set in a GitLab CI/CD configuration file they don't have access to.
Understanding CVE-2022-3793
This CVE involves an authorization vulnerability in GitLab affecting multiple versions.
What is CVE-2022-3793?
CVE-2022-3793 is an improper authorization flaw in GitLab CE/EE versions.
The Impact of CVE-2022-3793
The vulnerability could be exploited by attackers to access sensitive information in GitLab CI/CD configuration files.
Technical Details of CVE-2022-3793
This section provides specific technical details regarding the CVE.
Vulnerability Description
The vulnerability allows unauthorized access to variables in GitLab CI/CD configuration files.
Affected Systems and Versions
- GitLab CE/EE versions >=12.6 and <15.3.5
- GitLab CE/EE versions >=15.4 and <15.4.4
- GitLab CE/EE versions >=15.5 and <15.5.2
Exploitation Mechanism
Attackers can exploit this vulnerability to read variables set in GitLab CI/CD configuration files they are not authorized to access.
Mitigation and Prevention
Mitigation steps to address CVE-2022-3793.
Immediate Steps to Take
- Upgrade GitLab CE/EE to version 15.3.5, 15.4.4, or 15.5.2 to patch the vulnerability.
- Review and restrict access to sensitive GitLab CI/CD configuration files.
Long-Term Security Practices
Implement regular security updates and vulnerability assessments to prevent similar issues in the future.
Patching and Updates
Stay informed about security updates from GitLab and promptly apply patches to secure your environment.