CVE-2018-19495 : What You Need to Know

A vulnerability has been identified in GitLab Community and Enterprise Edition versions prior to 11.3.11, 11.4.x prior to 11.4.8, and 11.5.x prior to 11.5.1, allowing Server-Side Request Forgery (SSRF) through the Prometheus integration.

Understanding CVE-2018-19495

This CVE involves a security flaw in GitLab versions before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1, leading to SSRF vulnerability.

What is CVE-2018-19495?

CVE-2018-19495 is a vulnerability found in GitLab Community and Enterprise Editions, enabling SSRF due to a security flaw in the Prometheus integration.

The Impact of CVE-2018-19495

The vulnerability allows attackers to perform Server-Side Request Forgery (SSRF) attacks, potentially leading to unauthorized access to internal systems and data.

Technical Details of CVE-2018-19495

This section provides more technical insights into the CVE.

Vulnerability Description

The Prometheus integration in GitLab versions prior to 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1 contains a security flaw that enables SSRF.

Affected Systems and Versions

GitLab Community and Enterprise Edition versions before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to manipulate the Prometheus integration, leading to SSRF attacks.

Mitigation and Prevention

Protect your systems from CVE-2018-19495 with the following steps:

Immediate Steps to Take

Update GitLab to versions 11.3.11, 11.4.8, or 11.5.1 or later to patch the SSRF vulnerability.
Monitor and restrict external requests to prevent SSRF attacks.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Implement network segmentation to limit access to critical systems.

Patching and Updates

Stay informed about security updates from GitLab and apply patches promptly to secure your systems.