CVE-2023-28629 : Exploit Details and Defense Strategies

This CVE, assigned by GitHub_M, was published on March 27, 2023. It involves a Stored XSS vulnerability present in GoCD versions prior to 23.1.0, potentially leading to malicious attacks via the pipeline label configuration.

Understanding CVE-2023-28629

This vulnerability in GoCD exposes users to the risk of stored Cross-Site Scripting (XSS) attacks by manipulating the pipeline label configuration in a malicious manner, impacting the display of pipeline runs.

What is CVE-2023-28629?

The CVE-2023-28629 vulnerability in GoCD versions before 23.1.0 allows attackers to inject JavaScript elements into the label template, triggering XSS vulnerabilities for users viewing the Value Stream Map or Job Details of affected pipeline runs. This could enable attackers to execute arbitrary actions within the victim's browser context.

The Impact of CVE-2023-28629

The impact of this vulnerability lies in the potential for unauthorized users to exploit XSS vulnerabilities to compromise user data and execute unauthorized actions within the affected system, posing a significant security risk to users of GoCD versions prior to 23.1.0.

Technical Details of CVE-2023-28629

This section outlines specific technical details related to the CVE-2023-28629 vulnerability:

Vulnerability Description

The vulnerability arises due to improper neutralization of input during web page generation (Cross-Site Scripting) in GoCD versions before 23.1.0, allowing attackers to inject malicious JavaScript code via pipeline label configuration.

Affected Systems and Versions

Vendor: GoCD
Product: GoCD
Affected Versions: < 23.1.0

Exploitation Mechanism

The exploitation of this vulnerability involves manipulating the pipeline label configuration with malicious JavaScript elements, leading to the execution of XSS attacks on users viewing the Value Stream Map or Job Details of affected pipeline runs.

Mitigation and Prevention

To address CVE-2023-28629 and enhance security measures, users and administrators can take the following steps:

Immediate Steps to Take

Upgrade to GoCD version 23.1.0 or newer to mitigate the XSS vulnerability.
Avoid interacting with suspicious pipeline configurations or labels that may contain malicious elements.

Long-Term Security Practices

Regularly update GoCD to the latest version to ensure security patches and enhancements are applied promptly.
Educate users and administrators on best practices for secure pipeline configuration and label management.

Patching and Updates

Refer to the official GoCD documentation for guidance on updating to version 23.1.0: GoCD Official Documentation
Access the release notes for GoCD 23.1.0 to understand the security improvements and features: GoCD 23.1.0 Release Notes