CVE-2022-41935 : What You Need to Know

This CVE-2022-41935 pertains to the exposure of sensitive information to an unauthorized actor in org.xwiki.platform:xwiki-platform-livetable-ui.

Understanding CVE-2022-41935

XWiki Platform is a generic wiki platform that provides runtime services for applications built on top of it. The vulnerability allows users without proper access rights to deduce the existence of documents through Livetable queries.

What is CVE-2022-41935?

The issue arises due to the response not being properly cleaned up of obfuscated entries in XWiki 14.6RC1, 13.10.8, and 14.4.3. A manual patch or imported XAR archive of a patched version can serve as a temporary workaround for versions 12.10.11, 13.9-rc-1, and 13.4.4.

The Impact of CVE-2022-41935

The vulnerability affects xwiki-platform versions >= 12.10.11 and < 13.10.8, as well as >= 14.0.0 and < 14.4.3. Unauthorized actors can exploit this to access sensitive information without proper authorization.

Technical Details of CVE-2022-41935

Vulnerability Description

Users with insufficient access rights can deduce the existence of documents via Livetable queries, leading to the exposure of sensitive information.

Affected Systems and Versions

The vulnerability impacts xwiki-platform versions >= 12.10.11, < 13.10.8, and >= 14.0.0, < 14.4.3.

Exploitation Mechanism

Unauthorized actors can exploit this vulnerability by repeatedly querying Livetables to derive the existence of documents without proper viewing permissions.

Mitigation and Prevention

Immediate Steps to Take

Apply the patch for the document

XWiki.LiveTableResultsMacros

manually or import a XAR archive of a patched version for versions 12.10.11, 13.9-rc-1, and 13.4.4.

Long-Term Security Practices

Regularly monitor and update access controls to prevent unauthorized access to sensitive information.

Patching and Updates

Ensure timely installation of patches and updates to maintain system security and address vulnerabilities effectively.