CVE-2023-29208 : Security Advisory and Response

This article discusses the details of CVE-2023-29208, a vulnerability related to data leak through deleted documents in XWiki-platform.

Understanding CVE-2023-29208

This CVE highlights an issue where deleted documents in XWiki-platform can still be accessed due to a flaw in how view rights are managed.

What is CVE-2023-29208?

The vulnerability in XWiki-platform allows unauthorized access to deleted documents that still retain view rights, potentially leading to data leakage.

The Impact of CVE-2023-29208

The impact of this vulnerability is significant as it exposes sensitive information from deleted documents to unauthorized users, increasing the risk of data breaches.

Technical Details of CVE-2023-29208

This section covers the technical aspects of the CVE.

Vulnerability Description

XWiki Commons, used by various XWiki projects, fails to restrict access to deleted documents with view rights, leading to unauthorized data exposure.

Affected Systems and Versions

The vulnerability affects multiple versions of XWiki-platform, including versions >= 1.2-milestone-1 and < 13.10.11, >= 14.0-rc-1 and < 14.4.7, and >= 14.5 and < 14.10.

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by accessing deleted documents with retained view rights, circumventing proper access controls.

Mitigation and Prevention

To address CVE-2023-29208, immediate action and long-term security measures should be implemented.

Immediate Steps to Take

Users are advised to update to XWiki-platform version 14.10 or apply the provided patch to prevent unauthorized access to deleted documents.

Long-Term Security Practices

Implement strict access controls, regularly audit document permissions, and educate users on secure data handling practices to mitigate future vulnerabilities.

Patching and Updates

Stay informed about security updates, patches, and best practices from XWiki-platform to maintain a secure environment.