CVE-2019-19628 : Security Advisory and Response

GitLab EE versions 11.3 through 12.5.3, 12.4.5, and 12.3.8 are vulnerable to privilege escalation and remote code execution due to inadequate parameter sanitization in the Maven package registry.

Understanding CVE-2019-19628

This CVE identifies vulnerabilities in GitLab EE versions that could lead to severe security risks.

What is CVE-2019-19628?

CVE-2019-19628 highlights the potential for privilege escalation and remote code execution in GitLab EE versions 11.3 through 12.5.3, 12.4.5, and 12.3.8 due to insufficient parameter sanitization in the Maven package registry.

The Impact of CVE-2019-19628

The vulnerabilities in this CVE could allow attackers to escalate privileges and execute remote code, posing significant security risks to affected systems.

Technical Details of CVE-2019-19628

This section provides detailed technical insights into the CVE.

Vulnerability Description

Inadequate parameter sanitization in the Maven package registry implementation of GitLab EE versions 11.3 through 12.5.3, 12.4.5, and 12.3.8 may result in privilege escalation and remote code execution.

Affected Systems and Versions

GitLab EE versions 11.3 through 12.5.3
GitLab EE versions 12.4.5 and 12.3.8

Exploitation Mechanism

The vulnerabilities can be exploited by malicious actors to manipulate parameters in the Maven package registry, leading to privilege escalation and remote code execution.

Mitigation and Prevention

Protecting systems from CVE-2019-19628 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update GitLab EE to the latest patched version immediately.
Monitor system logs for any suspicious activities.
Implement strict access controls and least privilege principles.

Long-Term Security Practices

Conduct regular security audits and penetration testing.
Educate users on secure coding practices and awareness.
Stay informed about security updates and best practices.

Patching and Updates

Apply security patches provided by GitLab promptly.
Keep the GitLab EE software up to date to mitigate known vulnerabilities.