CVE-2019-18458 : Security Advisory and Response

A security flaw was found in versions 12.4 and below of GitLab Community and Enterprise Edition software. This flaw involves insecure permissions and is the second of four issues identified in the software.

Understanding CVE-2019-18458

An issue was discovered in GitLab Community and Enterprise Edition through version 12.4, involving insecure permissions (issue 2 of 4).

What is CVE-2019-18458?

CVE-2019-18458 is a security vulnerability found in GitLab Community and Enterprise Edition software versions 12.4 and below. The flaw relates to insecure permissions within the software.

The Impact of CVE-2019-18458

This vulnerability could potentially allow unauthorized access to sensitive data, leading to data breaches, unauthorized modifications, or other security compromises.

Technical Details of CVE-2019-18458

The following technical details provide more insight into the vulnerability.

Vulnerability Description

The vulnerability in GitLab software versions 12.4 and below involves insecure permissions, making it susceptible to unauthorized access.

Affected Systems and Versions

Product: GitLab Community and Enterprise Edition
Versions affected: 12.4 and below

Exploitation Mechanism

The vulnerability can be exploited by attackers to gain unauthorized access to the affected systems, potentially leading to data breaches or unauthorized actions.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Update GitLab software to the latest version that includes a patch for this vulnerability.
Review and adjust permissions within the software to ensure secure access controls.

Long-Term Security Practices

Regularly monitor and audit permissions and access controls within the software.
Educate users on secure practices and the importance of access control.

Patching and Updates

Stay informed about security updates and patches released by GitLab.
Promptly apply patches to ensure the software is protected against known vulnerabilities.