CVE-2021-22179 : Exploit Details and Defense Strategies

A vulnerability was discovered in GitLab versions before 12.2, making it susceptible to a SSRF attack through the Outbound Requests feature.

Understanding CVE-2021-22179

This CVE impacts GitLab versions prior to 12.2, allowing for SSRF attacks through the Outbound Requests functionality.

What is CVE-2021-22179?

The vulnerability in GitLab versions before 12.2 exposes them to server-side request forgery (SSRF) attacks through the Outbound Requests feature.

The Impact of CVE-2021-22179

With a CVSS base score of 5.4 (Medium Severity), this vulnerability could lead to unauthorized access and manipulation of internal system resources.

Technical Details of CVE-2021-22179

The technical details include vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

GitLab versions before 12.2 are affected by a SSRF vulnerability through the Outbound Requests feature.

Affected Systems and Versions

Affected versions include GitLab >=13.8, <13.8.2
GitLab >=13.7, <13.7.6
GitLab >=12.2, <13.6.6

Exploitation Mechanism

The vulnerability allows attackers to exploit GitLab's Outbound Requests feature to perform SSRF attacks, leading to potential security breaches.

Mitigation and Prevention

To mitigate the CVE-2021-22179 vulnerability, immediate action and long-term security practices are recommended.

Immediate Steps to Take

Upgrade GitLab to a patched version if available
Implement network security controls to prevent SSRF attacks

Long-Term Security Practices

Regularly update and patch GitLab to the latest secure versions
Conduct security assessments and audits to identify and address vulnerabilities

Patching and Updates

Stay informed about security patches and updates released by GitLab to address this vulnerability.