CVE-2023-29527 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-29527, a critical code injection vulnerability in the XWiki Platform.

Understanding CVE-2023-29527

This section explains the impact, technical details, and mitigation strategies for CVE-2023-29527.

What is CVE-2023-29527?

CVE-2023-29527 is a critical vulnerability that allows account users to inject malicious code via the AWM view sheet in the XWiki Platform, leading to remote code execution.

The Impact of CVE-2023-29527

The vulnerability affects versions of the XWiki Platform between >= 7.4.4 and < 14.10.3. An attacker can exploit this flaw to execute arbitrary code on the server, compromising confidentiality, integrity, and availability.

Technical Details of CVE-2023-29527

This section delves into the vulnerability description, affected systems, and exploitation mechanisms of CVE-2023-29527.

Vulnerability Description

In affected versions, a user without script or programming rights can add malicious groovy script content to a user profile or any document. When viewed, this script executes on the server, enabling code execution.

Affected Systems and Versions

The XWiki Platform versions affected by CVE-2023-29527 are >= 7.4.4, but < 14.10.3. Users operating on these versions are at risk of code injection and potential exploitation.

Exploitation Mechanism

By exploiting the code injection flaw in the AWM view sheet, attackers can run arbitrary code within the server context, leading to severe security breaches.

Mitigation and Prevention

This section outlines immediate steps to take, long-term security practices, and the importance of timely patching and updates.

Immediate Steps to Take

Users are strongly advised to upgrade to patched versions such as XWiki 15.0-rc-1 and 14.10.3 to mitigate the vulnerability. Additionally, implementing proper access controls and monitoring for unusual activities is crucial.

Long-Term Security Practices

To prevent future vulnerabilities, maintain a robust security posture by regularly updating software, conducting security assessments, and educating users on secure coding practices.

Patching and Updates

Continuous monitoring for security advisories and promptly applying patches and updates from XWiki can help safeguard against potential code injection attacks.