CVE-2019-15723 : Security Advisory and Response
Discover the security vulnerability in GitLab Community and Enterprise Editions versions 11.9.x and 11.10.x before 11.10.1, allowing bypass of push rules via merge requests created through email. Learn how to mitigate and prevent unauthorized actions.
A vulnerability has been found in versions 11.9.x and 11.10.x of both GitLab Community and Enterprise Editions, allowing bypass of push rules via merge requests created through email.
Understanding CVE-2019-15723
This CVE identifies a security issue in GitLab versions 11.9.x and 11.10.x before 11.10.1, affecting both Community and Enterprise Editions.
What is CVE-2019-15723?
This vulnerability enables the bypassing of push rules in GitLab instances by utilizing merge requests created through email.
The Impact of CVE-2019-15723
The security flaw in GitLab versions 11.9.x and 11.10.x could potentially lead to unauthorized actions and compromise the integrity of repositories.
Technical Details of CVE-2019-15723
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The issue allows malicious actors to bypass push rules in GitLab instances by leveraging merge requests initiated via email.
Affected Systems and Versions
- GitLab Community and Enterprise Editions 11.9.x and 11.10.x before 11.10.1
Exploitation Mechanism
The vulnerability can be exploited by creating merge requests through email, enabling unauthorized actions that bypass push rules.
Mitigation and Prevention
Protecting systems from CVE-2019-15723 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade affected GitLab instances to version 11.10.1 or newer
- Monitor repositories for suspicious activities
Long-Term Security Practices
- Implement strict access controls and permissions
- Conduct regular security audits and assessments
Patching and Updates
- Apply security patches promptly
- Stay informed about security releases and updates from GitLab