CVE-2020-13273 : Security Advisory and Response

A Denial of Service vulnerability in GitLab CE/EE versions 12.0 through 13.0.1 could lead to system resource exhaustion.

Understanding CVE-2020-13273

This CVE involves uncontrolled resource consumption in GitLab, impacting system availability.

What is CVE-2020-13273?

Discovered internally by the GitLab team
Denial of Service vulnerability affecting GitLab CE/EE versions 12.0 to 13.0.1

The Impact of CVE-2020-13273

CVSS v3.1 Base Score: 7.5 (High)
Attack Vector: Network
Availability Impact: High
No impact on Confidentiality or Integrity

Technical Details of CVE-2020-13273

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Denial of Service vulnerability
Allows exhausting system resources

Affected Systems and Versions

Affected Versions: >=12.0, <12.9.8 and >=12.10, <12.10.7

Exploitation Mechanism

Low attack complexity
No privileges required
No user interaction needed

Mitigation and Prevention

Guidelines to address and prevent exploitation of CVE-2020-13273.

Immediate Steps to Take

Update GitLab to versions 12.9.8 or 12.10.7
Monitor system resources for unusual consumption

Long-Term Security Practices

Regularly update GitLab to the latest versions
Implement network security measures to detect and prevent DoS attacks

Patching and Updates

Apply security patches promptly