CVE-2023-49280 : What You Need to Know

A detailed overview of CVE-2023-49280 focusing on a data leak of password hash through xwiki change request.

Understanding CVE-2023-49280

This section delves into the vulnerability details, impact, affected systems, and mitigation strategies.

What is CVE-2023-49280?

XWiki Change Request is an application that facilitates making changes on a wiki without directly publishing them. An attacker can exploit this vulnerability to obtain user password hashes by editing profiles and downloading XML files.

The Impact of CVE-2023-49280

The impact relies on user rights within the wiki; attackers need Change Request and view rights to exploit. While automation is challenging, the patch in Change Request 1.10 restricts editing pages with password fields.

Technical Details of CVE-2023-49280

This section provides insights into the vulnerability, affected systems, and how exploitation occurs.

Vulnerability Description

The vulnerability allows attackers to access user password hashes by editing user profiles and downloading XML files.

Affected Systems and Versions

XWiki Change Request versions from >= 0.1 to < 1.10 are affected by this data leak vulnerability.

Exploitation Mechanism

Attackers with Change Request and view rights can exploit this vulnerability by editing profile pages and downloading XML files.

Mitigation and Prevention

Explore the immediate steps and long-term strategies to mitigate the risks this vulnerability poses.

Immediate Steps to Take

Administrators must deny users the right to edit pages with password fields through Change Request and upgrade to version 1.10.

Long-Term Security Practices

Manually restrict Change Request rights on critical spaces like the XWiki space to prevent data leaks.

Patching and Updates

The patch provided in Change Request 1.10 addresses the vulnerability by restricting page editing with password fields. Ensure timely upgrades for enhanced security.