CVE-2019-18461 Explained : Impact and Mitigation

A vulnerability was found in GitLab Community and Enterprise Edition versions 11.3 through 12.3, leading to an incorrect access control issue when a sub group epic is added to a public group.

Understanding CVE-2019-18461

This CVE identifies a security flaw in GitLab versions 11.3 through 12.3 that can result in an access control vulnerability.

What is CVE-2019-18461?

This vulnerability arises when a sub group epic is added to a public group within GitLab Community and Enterprise Edition versions 11.3 through 12.3, causing an incorrect access control issue.

The Impact of CVE-2019-18461

The vulnerability can potentially allow unauthorized access to sensitive information or actions within affected GitLab instances.

Technical Details of CVE-2019-18461

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in GitLab versions 11.3 through 12.3 occurs when a sub group epic is added to a public group, resulting in an incorrect access control issue.

Affected Systems and Versions

GitLab Community and Enterprise Edition versions 11.3 through 12.3

Exploitation Mechanism

The vulnerability can be exploited by adding a sub group epic to a public group, triggering the incorrect access control issue.

Mitigation and Prevention

Protecting systems from CVE-2019-18461 is crucial to maintaining security.

Immediate Steps to Take

Upgrade affected GitLab instances to a patched version that addresses the vulnerability.
Monitor access controls and permissions to prevent unauthorized actions.

Long-Term Security Practices

Regularly review and update access control policies.
Conduct security training for users to understand and adhere to access control best practices.

Patching and Updates

Apply security patches provided by GitLab to fix the vulnerability and enhance system security.