CVE-2019-13006 Explained : Impact and Mitigation
Learn about CVE-2019-13006 affecting GitLab versions 9.0 through 12.0.2. Unauthorized users could view related merge requests on specific issues due to incorrect access control.
A vulnerability has been identified in versions 9.0 through 12.0.2 of GitLab Community and Enterprise Edition, allowing unauthorized users to view related merge requests on specific issues due to incorrect access control.
Understanding CVE-2019-13006
This CVE involves a security flaw in GitLab versions 9.0 through 12.0.2 that enables users with issue access but not repository access to see the count of related merge requests on an issue.
What is CVE-2019-13006?
The vulnerability in GitLab Community and Enterprise Edition versions 9.0 through 12.0.2 allows users without repository access to view the number of related merge requests on specific issues, breaching access control.
The Impact of CVE-2019-13006
This flaw could lead to unauthorized users gaining insights into merge requests, potentially compromising the confidentiality of code changes and project information.
Technical Details of CVE-2019-13006
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows users with issue access but not repository access to see the count of related merge requests on specific issues, indicating incorrect access control.
Affected Systems and Versions
- GitLab Community and Enterprise Edition versions 9.0 through 12.0.2
Exploitation Mechanism
Unauthorized users exploit the flaw by accessing issues without corresponding repository permissions, enabling them to view related merge request counts.
Mitigation and Prevention
Protect your systems and data from CVE-2019-13006 with these mitigation strategies.
Immediate Steps to Take
- Upgrade GitLab to a patched version that addresses the vulnerability.
- Review and adjust access controls to ensure proper restrictions.
Long-Term Security Practices
- Regularly review and update access control policies.
- Conduct security training for users to understand access rights and restrictions.
Patching and Updates
- Apply security patches provided by GitLab promptly to fix the vulnerability and enhance system security.