CVE-2023-35929 : Exploit Details and Defense Strategies

Tuleap Cross-site Scripting vulnerability has been identified in the card field of the agile dashboard apps.

Understanding CVE-2023-35929

This CVE, assigned by GitHub_M, was published on July 25, 2023, highlighting a vulnerability in Tuleap's card field implementation.

What is CVE-2023-35929?

Tuleap, an open-source software suite for software development management, had a Cross-site Scripting (XSS) vulnerability in versions prior to Tuleap Community Edition 14.10.99.4 and Tuleap Enterprise Edition 14.10-2 and 14.9-5. The flaw allowed malicious users to execute uncontrolled code through card fields.

The Impact of CVE-2023-35929

The vulnerability could be exploited by attackers to inject malicious scripts into the card fields, potentially leading to unauthorized code execution and data theft.

Technical Details of CVE-2023-35929

This section covers the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

Prior to the mentioned versions, content displayed in the card fields of Tuleap was not properly escaped, enabling an attacker to inject and execute arbitrary code.

Affected Systems and Versions

Vendor: Enalean
Affected Products:
Tuleap Community Edition < 14.10.99.4
Tuleap Enterprise Edition < 14.9-5
Tuleap Enterprise Edition >= 14.10, < 14.10-2

Exploitation Mechanism

A malicious user with the ability to create an artifact or edit a field used as a card field could manipulate the content to execute unauthorized code.

Mitigation and Prevention

Understanding how to address and prevent the CVE, including immediate steps to take and long-term security practices.

Immediate Steps to Take

Update Tuleap installations to the fixed versions (Community Edition 14.10.99.4, Enterprise Edition 14.10-2, and Enterprise Edition 14.9-5).
Conduct a thorough security review to check for any signs of exploitation.

Long-Term Security Practices

Regularly monitor and update Tuleap software to patch any newly discovered vulnerabilities.
Educate users on safe coding practices to prevent XSS attacks.

Patching and Updates

Stay informed about security advisories and apply patches promptly to ensure the security of your Tuleap installation.