CVE-2019-15590 : What You Need to Know
Learn about CVE-2019-15590, a GitLab vulnerability exposing private merge requests and issues. Find out affected versions, impact, and mitigation steps.
A vulnerability related to access control has been identified in versions prior to 12.3.5, 12.2.8, and 12.1.14 of both GitLab Community Edition (CE) and Enterprise Edition (EE). This vulnerability, when the Elasticsearch integration is enabled, may result in the exposure of private merge requests and issues through the Group Search feature.
Understanding CVE-2019-15590
This CVE identifies an access control issue in GitLab versions prior to 12.3.5, 12.2.8, and 12.1.14, affecting both Community Edition (CE) and Enterprise Edition (EE).
What is CVE-2019-15590?
CVE-2019-15590 is a vulnerability in GitLab that allows the exposure of private merge requests and issues when the Elasticsearch integration is active.
The Impact of CVE-2019-15590
The vulnerability could lead to the disclosure of sensitive information, such as private merge requests and issues, through the Group Search feature.
Technical Details of CVE-2019-15590
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability is related to access control in GitLab versions before 12.3.5, 12.2.8, and 12.1.14, specifically when the Elasticsearch integration is enabled.
Affected Systems and Versions
- Product: GitLab EE
- Vendor: GitLab
- Versions Affected: before 12.3.5, before 12.2.8, before 12.1.14
Exploitation Mechanism
The vulnerability can be exploited when the Elasticsearch integration is active, potentially leading to the exposure of private merge requests and issues.
Mitigation and Prevention
Protecting systems from CVE-2019-15590 is crucial to maintaining security.
Immediate Steps to Take
- Update GitLab EE to version 12.3.5 or newer to mitigate the vulnerability.
- Disable the Elasticsearch integration if not essential for operations.
Long-Term Security Practices
- Regularly monitor and audit access controls and permissions within GitLab.
- Educate users on the importance of data security and access control.
Patching and Updates
- Stay informed about security updates and patches released by GitLab.
- Implement a robust patch management process to promptly apply security fixes.