CVE-2020-13286 Explained : Impact and Mitigation
Learn about CVE-2020-13286 affecting GitLab versions before 13.0.12, 13.1.6, and 13.2.3. Discover the impact, technical details, and mitigation steps for this Server Side Request Forgery vulnerability.
GitLab versions before 13.0.12, 13.1.6, and 13.2.3 are affected by a Server Side Request Forgery vulnerability.
Understanding CVE-2020-13286
This CVE involves user-controlled git configuration settings that can be manipulated to trigger Server Side Request Forgery.
What is CVE-2020-13286?
CVE-2020-13286 is a vulnerability in GitLab versions prior to 13.0.12, 13.1.6, and 13.2.3 that allows unauthorized modification of git configuration settings, leading to Server Side Request Forgery.
The Impact of CVE-2020-13286
The vulnerability has a CVSS base score of 6.4 (Medium severity) and can result in unauthorized access to internal systems through SSRF.
Technical Details of CVE-2020-13286
Vulnerability Description
- User-controlled git configuration settings manipulation
- Leads to Server Side Request Forgery
Affected Systems and Versions
- GitLab versions <13.0.12, <13.1.6, <13.2.3
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- Scope: Changed
Mitigation and Prevention
Immediate Steps to Take
- Update GitLab to versions 13.0.12, 13.1.6, or 13.2.3
- Monitor and restrict user-controlled configurations
Long-Term Security Practices
- Regular security training for developers
- Implement strict input validation mechanisms
Patching and Updates
- Apply security patches promptly