CVE-2019-5467 : Vulnerability Insights and Analysis

A security vulnerability was found in the GitLab CE/EE wiki pages function, involving input validation and output encoding, potentially leading to a persistent XSS (Cross-Site Scripting) attack. GitLab promptly addressed this issue in versions 12.1.2, 12.0.4, and 11.11.6.

Understanding CVE-2019-5467

This CVE involves a security vulnerability in GitLab CE/EE that could allow for a persistent XSS attack.

What is CVE-2019-5467?

CVE-2019-5467 is a vulnerability in the GitLab CE/EE wiki pages feature that could be exploited for a persistent XSS attack.

The Impact of CVE-2019-5467

The vulnerability could potentially lead to a persistent XSS attack, compromising the security and integrity of GitLab CE/EE instances.

Technical Details of CVE-2019-5467

This section provides technical details about the vulnerability.

Vulnerability Description

An input validation and output encoding issue in GitLab CE/EE wiki pages could result in a persistent XSS attack.

Affected Systems and Versions

Product: GitLab CE/EE
Versions affected: 11.10 and later
Fixed versions: 12.1.2, 12.0.4, and 11.11.6

Exploitation Mechanism

The vulnerability could be exploited by manipulating input validation and output encoding in GitLab CE/EE wiki pages.

Mitigation and Prevention

Protect your systems from CVE-2019-5467 with these mitigation strategies.

Immediate Steps to Take

Update GitLab CE/EE to versions 12.1.2, 12.0.4, or 11.11.6 to patch the vulnerability.
Educate users about the risks of XSS attacks and encourage safe browsing practices.

Long-Term Security Practices

Regularly monitor and audit your GitLab CE/EE instance for security vulnerabilities.
Implement secure coding practices to prevent input validation and output encoding issues.

Patching and Updates

Stay informed about security updates from GitLab and promptly apply patches to address known vulnerabilities.