CVE-2020-26408 : Security Advisory and Response

A limited information disclosure vulnerability exists in GitLab CE/EE versions, allowing attackers to view restricted user profile information.

Understanding CVE-2020-26408

What is CVE-2020-26408?

This CVE identifies a vulnerability in GitLab CE/EE versions that enables unauthorized access to limited user profile data.

The Impact of CVE-2020-26408

The vulnerability poses a medium severity risk with low confidentiality impact, potentially exposing sensitive user information.

Technical Details of CVE-2020-26408

Vulnerability Description

The flaw allows attackers to access restricted user profile data in affected GitLab CE/EE versions.

Affected Systems and Versions

GitLab CE/EE >= 12.2 to <13.4.7
GitLab CE/EE >= 13.5 to <13.5.5
GitLab CE/EE >= 13.6 to <13.6.2

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None

Mitigation and Prevention

Immediate Steps to Take

Update GitLab CE/EE to versions 13.4.7, 13.5.5, or 13.6.2 to mitigate the vulnerability.
Monitor user profile access for any unauthorized activity.

Long-Term Security Practices

Regularly review and restrict user profile access permissions.
Conduct security audits to identify and address similar vulnerabilities.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities.