CVE-2019-5486 Explained : Impact and Mitigation

GitLab CE/EE versions 12.3.2, 12.2.6, and 12.1.10 are affected by an authentication bypass vulnerability related to Salesforce login integration. This allows unauthorized users to create accounts bypassing domain restrictions and email verification.

Understanding CVE-2019-5486

This CVE identifies a critical security flaw in GitLab CE/EE versions 12.3.2, 12.2.6, and 12.1.10 that could lead to unauthorized access.

What is CVE-2019-5486?

The vulnerability in GitLab CE/EE versions <12.3.2, <12.2.6, and <12.1.10 allows attackers to create accounts without following domain restrictions and email verification.

The Impact of CVE-2019-5486

This vulnerability enables unauthorized individuals to bypass security measures, potentially leading to unauthorized access and misuse of the system.

Technical Details of CVE-2019-5486

The technical aspects of the vulnerability are as follows:

Vulnerability Description

An authentication bypass vulnerability in GitLab CE/EE versions <12.3.2, <12.2.6, and <12.1.10 allows attackers to create accounts without adhering to domain restrictions and email verification.

Affected Systems and Versions

Product: GitLab CE/EE
Versions: 12.3.2, 12.2.6, and 12.1.10

Exploitation Mechanism

The vulnerability is exploited by unauthorized individuals to create accounts that circumvent domain restrictions and email verification processes.

Mitigation and Prevention

To address CVE-2019-5486, follow these steps:

Immediate Steps to Take

Upgrade GitLab CE/EE to a patched version.
Monitor account creation activities for suspicious behavior.

Long-Term Security Practices

Regularly review and update access control policies.
Conduct security training for employees on best practices to prevent unauthorized access.

Patching and Updates

Apply security patches provided by GitLab promptly to mitigate the vulnerability.