CVE-2019-6791 Explained : Impact and Mitigation
Discover the impact of CVE-2019-6791 on GitLab's Community and Enterprise Edition versions. Learn about the vulnerability, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability was found in GitLab's Community and Enterprise Edition versions prior to 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1, involving an Incorrect Access Control issue.
Understanding CVE-2019-6791
This CVE identifies a security flaw in GitLab's versions that could lead to an Incorrect Access Control vulnerability.
What is CVE-2019-6791?
The vulnerability allows a project to maintain its original visibility settings when imported with visibility settings more permissive than the target group.
The Impact of CVE-2019-6791
This vulnerability could potentially lead to unauthorized access to sensitive project information due to incorrect access control settings.
Technical Details of CVE-2019-6791
The technical aspects of this CVE are as follows:
Vulnerability Description
The issue involves Incorrect Access Control, specifically when importing a project with visibility settings more permissive than the target group.
Affected Systems and Versions
- GitLab Community and Enterprise Edition versions before 11.5.8
- GitLab 11.6.x before 11.6.6
- GitLab 11.7.x before 11.7.1
Exploitation Mechanism
The vulnerability can be exploited by importing a project with visibility settings that are more permissive than the target group, allowing the project to maintain its original visibility settings.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Update GitLab to versions 11.5.8, 11.6.6, or 11.7.1 or later to mitigate the vulnerability.
- Review and adjust project visibility settings to ensure they align with the intended access permissions.
Long-Term Security Practices
- Regularly monitor and audit project visibility settings to prevent unauthorized access.
- Educate users on proper project import procedures and visibility settings.
Patching and Updates
- Stay informed about security releases and promptly apply patches to ensure the latest security fixes are in place.