CVE-2019-6793 : Security Advisory and Response

GitLab Enterprise Edition versions prior to 11.5.8 and 11.6.x to 11.6.6, as well as 11.7.x to 11.7.1, have a vulnerability in their Jira integration feature that allows for an unauthenticated blind SSRF issue.

Understanding CVE-2019-6793

This CVE identifies a security vulnerability in GitLab Enterprise Edition versions.

What is CVE-2019-6793?

This CVE refers to a vulnerability in GitLab Enterprise Edition's Jira integration feature that can be exploited to perform an unauthenticated blind SSRF attack.

The Impact of CVE-2019-6793

The vulnerability can lead to unauthorized access and potential data leakage due to the SSRF issue.

Technical Details of CVE-2019-6793

GitLab Enterprise Edition versions before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1 are affected.

Vulnerability Description

The Jira integration feature in the mentioned versions is susceptible to an unauthenticated blind SSRF issue.

Affected Systems and Versions

GitLab Enterprise Edition versions prior to 11.5.8
GitLab Enterprise Edition 11.6.x to 11.6.6
GitLab Enterprise Edition 11.7.x to 11.7.1

Exploitation Mechanism

The vulnerability allows attackers to exploit the Jira integration feature to perform an unauthenticated blind SSRF attack.

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 Enterprise Edition to versions 11.5.8, 11.6.6, or 11.7.1, which contain fixes for the vulnerability.
Monitor and restrict network access to prevent SSRF attacks.

Long-Term Security Practices

Regularly update and patch software to mitigate security risks.
Conduct security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Apply the latest security patches provided by GitLab to ensure protection against known vulnerabilities.