CVE-2022-31063 : Security Advisory and Response

Tuleap is a Free & Open Source Suite designed to enhance software development management and collaboration. A vulnerability in versions prior to 13.9.99.111 allows malicious users to execute uncontrolled code by manipulating the document title.

Understanding CVE-2022-31063

This CVE identifies a cross-site scripting vulnerability via the title of a document in Tuleap.

What is CVE-2022-31063?

In Tuleap versions before 13.9.99.111, a security flaw exists where the title of a document is not properly escaped in search results and the administration page of locked documents. This can be exploited by a malicious user to execute arbitrary code.

The Impact of CVE-2022-31063

The vulnerability has a CVSS v3.1 base score of 6.5, categorizing it as of medium severity. It requires low privileges, user interaction, and has a network attack vector. The confidentiality, integrity, and availability impacts are all rated as low.

Technical Details of CVE-2022-31063

Vulnerability Description

The vulnerability, categorized as CWE-79, stems from improper neutralization of input during web page generation, leading to cross-site scripting.

Affected Systems and Versions

Tuleap versions prior to 13.9.99.111 are impacted by this vulnerability.

Exploitation Mechanism

By manipulating the title of a document, a threat actor can trigger the execution of arbitrary code, posing a risk of XSS attacks.

Mitigation and Prevention

Immediate Steps to Take

Users are strongly advised to upgrade their Tuleap installations to version 13.9.99.111 or higher to mitigate the risk of exploitation.

Long-Term Security Practices

To enhance overall security, users should regularly update Tuleap to the latest available version, conduct security assessments, and educate users on safe document practices.

Patching and Updates

Refer to the provided GitHub links for relevant patches and updates to address this vulnerability.