CVE-2020-13304 : Exploit Details and Defense Strategies
Discover the impact of CVE-2020-13304, an improper authentication vulnerability in GitLab versions before 13.1.10, 13.2.8, and 13.3.4. Learn about the exploit, impact, and mitigation steps.
A vulnerability in GitLab versions before 13.1.10, 13.2.8, and 13.3.4 allowed attackers to maintain access by generating the same 2-factor authentication secret code.
Understanding CVE-2020-13304
This CVE involves an improper authentication issue in GitLab.
What is CVE-2020-13304?
The vulnerability in GitLab versions prior to 13.1.10, 13.2.8, and 13.3.4 enabled attackers to retain access through the generation of identical 2-factor authentication secret codes.
The Impact of CVE-2020-13304
- CVSS Score: 3.8 (Low)
- Attack Vector: Network
- Privileges Required: High
- Confidentiality, Integrity, and Availability Impact: Low
Technical Details of CVE-2020-13304
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allowed attackers to persistently access GitLab instances by exploiting the generation of the same 2-factor authentication secret code.
Affected Systems and Versions
- Affected Product: GitLab
- Affected Versions:
=1.0, <13.1.10
=13.2, <13.2.8
=13.3, <13.3.4
Exploitation Mechanism
Attackers could exploit this vulnerability by generating identical 2-factor authentication secret codes, enabling them to maintain unauthorized access.
Mitigation and Prevention
To address and prevent this vulnerability, follow these steps:
Immediate Steps to Take
- Upgrade GitLab to versions 13.1.10, 13.2.8, or 13.3.4 or later to mitigate the issue.
- Monitor for any unauthorized access or suspicious activities.
Long-Term Security Practices
- Implement multi-factor authentication to enhance security.
- Regularly review and update access control policies.
Patching and Updates
- Apply security patches promptly to ensure protection against known vulnerabilities.