CVE-2022-29183 : Security Advisory and Response

GoCD is a continuous delivery server that has been identified with a vulnerability known as Reflected XSS. This vulnerability exists in versions 20.2.0 to 21.4.0, allowing malicious actors to execute code and potentially gain control over resources accessible to victims.

Understanding CVE-2022-29183

This section delves deeper into the details of the CVE-2022-29183 vulnerability in GoCD.

What is CVE-2022-29183?

CVE-2022-29183, Reflected XSS in GoCD, is a security flaw in GoCD versions 20.2.0 up to 21.4.0. It enables attackers to execute code through the pipeline comparison function.

The Impact of CVE-2022-29183

The exploitation of this vulnerability could lead to attackers tricking victims into running malicious code, potentially enabling the attackers to manipulate resources within the victim's access.

Technical Details of CVE-2022-29183

Let's explore the technical aspects of the CVE-2022-29183 vulnerability.

Vulnerability Description

This vulnerability allows for reflected cross-site scripting by abusing the pipeline comparison function's error handling, resulting in the rendering of arbitrary HTML on the returned page.

Affected Systems and Versions

GoCD versions between 20.2.0 and 21.4.0 are impacted by this vulnerability.

Exploitation Mechanism

By exploiting the error handling in the pipeline comparison function, attackers can inject and execute arbitrary code.

Mitigation and Prevention

Discover the steps to mitigate and prevent the exploitation of CVE-2022-29183.

Immediate Steps to Take

As an immediate workaround, block access to

/go/compare/.*

before the GoCD Server using a reverse proxy, web application firewall, or similar security measures.

Long-Term Security Practices

Implement robust input validation mechanisms and security controls to prevent cross-site scripting vulnerabilities.

Patching and Updates

Ensure you update GoCD to the fixed version 21.4.0 to address this vulnerability and protect your systems.