CVE-2019-13003 : Security Advisory and Response

A vulnerability was found in both GitLab Community and Enterprise Editions versions prior to 12.0.3, where a parser used by GitLab CI had a weakness that made it susceptible to a resource exhaustion attack. This vulnerability could result in uncontrolled resource consumption.

Understanding CVE-2019-13003

This CVE identifies a vulnerability in GitLab versions before 12.0.3 that could lead to uncontrolled resource consumption due to a weakness in the GitLab CI parser.

What is CVE-2019-13003?

CVE-2019-13003 is a vulnerability in GitLab Community and Enterprise Editions before version 12.0.3, allowing a resource exhaustion attack through a vulnerable GitLab CI parser.

The Impact of CVE-2019-13003

The vulnerability could result in uncontrolled resource consumption, potentially leading to denial of service or other resource-related issues.

Technical Details of CVE-2019-13003

This section provides technical details about the vulnerability.

Vulnerability Description

An issue in GitLab versions before 12.0.3 allowed a resource exhaustion attack due to a weakness in the GitLab CI parser, leading to uncontrolled resource consumption.

Affected Systems and Versions

GitLab Community and Enterprise Editions versions prior to 12.0.3

Exploitation Mechanism

The vulnerability can be exploited by triggering the weakness in the GitLab CI parser, causing uncontrolled resource consumption.

Mitigation and Prevention

Protect your systems from CVE-2019-13003 with the following steps:

Immediate Steps to Take

Upgrade GitLab to version 12.0.3 or newer to mitigate the vulnerability
Monitor resource usage for any unusual spikes that could indicate exploitation

Long-Term Security Practices

Regularly update and patch GitLab installations to prevent known vulnerabilities
Implement network and system monitoring to detect and respond to suspicious activities

Patching and Updates

Apply security patches promptly to stay protected against potential threats