CVE-2019-15582 : Vulnerability Insights and Analysis

A security vulnerability named IDOR was found in versions prior to 12.3.2, 12.2.6, and 12.1.12 of both GitLab Community Edition (CE) and Enterprise Edition (EE). This vulnerability enabled maintainers to include any confidential group into a secured environment.

Understanding CVE-2019-15582

What is CVE-2019-15582?

CVE-2019-15582 refers to an Insecure Direct Object Reference (IDOR) vulnerability found in GitLab versions before 12.3.2, 12.2.6, and 12.1.12. This flaw allowed maintainers to add private groups to protected environments.

The Impact of CVE-2019-15582

The vulnerability could potentially lead to unauthorized access to confidential groups, compromising the security and confidentiality of sensitive information.

Technical Details of CVE-2019-15582

Vulnerability Description

The IDOR vulnerability in GitLab versions prior to 12.3.2, 12.2.6, and 12.1.12 allowed maintainers to add any private group to a protected environment.

Affected Systems and Versions

Product: GitLab EE
Vendor: GitLab
Versions Affected: before 12.3.2, before 12.2.6, before 12.1.12

Exploitation Mechanism

The vulnerability could be exploited by maintainers to include unauthorized confidential groups into secure environments.

Mitigation and Prevention

Immediate Steps to Take

Upgrade GitLab to version 12.3.2 or newer to mitigate the vulnerability.
Review and restrict maintainer permissions to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and audit user permissions and access controls.
Educate maintainers on secure practices to prevent similar vulnerabilities.

Patching and Updates

Apply security patches and updates promptly to ensure protection against known vulnerabilities.