CVE-2022-1940 : What You Need to Know

A Stored Cross-Site Scripting vulnerability in Jira integration in GitLab EE allows attackers to execute arbitrary JavaScript code in GitLab on a victim's behalf via specially crafted Jira Issues.

Understanding CVE-2022-1940

This security vulnerability affects versions of GitLab >=13.11, <14.9.5, >=14.10, <14.10.4, and >=15.0, <15.0.1.

What is CVE-2022-1940?

CVE-2022-1940 is a Stored Cross-Site Scripting vulnerability in the Jira integration component of GitLab EE. It enables attackers to run malicious JavaScript code on a victim's GitLab account through manipulated Jira Issues.

The Impact of CVE-2022-1940

The vulnerability has a CVSS base score of 7.7 (High severity) and affects the confidentiality, integrity, and availability of GitLab instances. Attackers with low privileges can exploit this flaw.

Technical Details of CVE-2022-1940

Vulnerability Description

The flaw arises from improper input neutralization during web page generation in GitLab, leading to the execution of unauthorized JavaScript.

Affected Systems and Versions

GitLab versions from 13.11 to 14.9.5, 14.10 to 14.10.4, and 15.0 to 15.0.1 are susceptible to this security issue.

Exploitation Mechanism

By crafting specific Jira Issues, threat actors can inject and execute arbitrary JavaScript code on GitLab platforms.

Mitigation and Prevention

Immediate Steps to Take

Users should update their GitLab instances to versions 14.9.5, 14.10.4, or 15.0.1 to mitigate the vulnerability. Implement strict input validation mechanisms to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor GitLab security advisories and bug bounty programs for any potential threats or vulnerabilities. Educate users on safe browsing and reporting protocols.

Patching and Updates

Apply security patches and updates released by GitLab promptly to address known vulnerabilities and enhance system resilience.