CVE-2022-3573 : Security Advisory and Response

An overview of the CVE-2022-3573 vulnerability affecting GitLab versions 15.4 to 15.7.2.

Understanding CVE-2022-3573

This section delves into the details of the CVE-2022-3573 vulnerability discovered in GitLab CE/EE versions.

What is CVE-2022-3573?

The vulnerability lies in GitLab CE/EE versions 15.4 to 15.7.2, allowing attackers to execute arbitrary JavaScript due to improper query parameter filtering in the wiki changes page.

The Impact of CVE-2022-3573

The CVE-2022-3573 vulnerability poses a medium risk, with a CVSS base score of 5.4. Attackers can exploit this to run malicious JavaScript on self-hosted GitLab instances.

Technical Details of CVE-2022-3573

Detailed technical information about the vulnerability in GitLab versions 15.4 to 15.7.2.

Vulnerability Description

The flaw arises from inadequate filtering of query parameters in the wiki changes page, enabling attackers to perform cross-site scripting attacks.

Affected Systems and Versions

GitLab CE/EE versions from 15.4 to 15.7.2 are impacted by this vulnerability, including versions 15.4 to 15.5.7, 15.6 to 15.6.4, and 15.7 to 15.7.2.

Exploitation Mechanism

Attackers can exploit the improper query parameter filtering to execute arbitrary JavaScript, compromising the security of self-hosted GitLab instances.

Mitigation and Prevention

Effective strategies to mitigate and prevent the CVE-2022-3573 vulnerability in GitLab versions.

Immediate Steps to Take

Immediately update affected GitLab instances to versions 15.5.7, 15.6.4, and 15.7.2 to patch the vulnerability and prevent exploitation.

Long-Term Security Practices

Implement strict Content Security Policy (CSP) configurations and regularly monitor for security updates and patches to safeguard against similar vulnerabilities.

Patching and Updates

Stay informed about security advisories from GitLab and promptly apply patches and updates to address known vulnerabilities.