CVE-2017-11437 : Vulnerability Insights and Analysis

GitLab Enterprise Edition (EE) before version 8.17.7, 9.0.11, 9.1.8, 9.2.8, and 9.3.8 allows authenticated users to potentially access repositories of other users through the mirroring functionality.

Understanding CVE-2017-11437

This CVE highlights a security vulnerability in GitLab Enterprise Edition (EE) that could lead to unauthorized access to repositories.

What is CVE-2017-11437?

Before specific versions of GitLab EE, authenticated users with project creation privileges could exploit the mirroring feature to gain access to repositories owned by other users.

The Impact of CVE-2017-11437

The vulnerability could result in unauthorized access to sensitive code and data stored in repositories, compromising data confidentiality and integrity.

Technical Details of CVE-2017-11437

GitLab EE's vulnerability allows for unauthorized access to repositories through the mirroring functionality.

Vulnerability Description

An authenticated user with project creation rights can leverage the mirroring feature to potentially read repositories of other users, breaching data confidentiality.

Affected Systems and Versions

GitLab Enterprise Edition versions before 8.17.7, 9.0.11, 9.1.8, 9.2.8, and 9.3.8 are impacted.

Exploitation Mechanism

Authenticated users with project creation privileges can exploit the mirroring functionality to access repositories of other users.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2017-11437.

Immediate Steps to Take

Upgrade GitLab EE to versions 8.17.7, 9.0.11, 9.1.8, 9.2.8, or 9.3.8 to address the vulnerability.
Monitor repository access and user activities for any unauthorized actions.

Long-Term Security Practices

Regularly review and update user privileges to limit access to sensitive repositories.
Conduct security training for users to raise awareness about data protection and access control.

Patching and Updates

Apply security patches and updates provided by GitLab to ensure the latest security fixes are in place.