CVE-2023-29522 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-29522, also known as 'Code injection from view right on XWiki.ClassSheet in xwiki-platform'.

Understanding CVE-2023-29522

This CVE involves a code injection vulnerability in the XWiki platform, allowing users with view rights to execute arbitrary script macros, leading to remote code execution and unauthorized access to wiki contents.

What is CVE-2023-29522?

XWiki Platform, a generic wiki platform, is susceptible to a code injection vulnerability that enables malicious users to execute dangerous payloads via crafted page names, resulting in remote code execution and unauthorized access to all wiki contents.

The Impact of CVE-2023-29522

The vulnerability has a CVSS base score of 9.9 (Critical severity) with high impacts on confidentiality and integrity. It allows attackers to execute arbitrary scripts remotely and gain full access to sensitive wiki data.

Technical Details of CVE-2023-29522

This section outlines the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

Users with view rights can exploit this flaw to run script macros, leading to code injection and unauthorized access to wiki content. The issue has been addressed in XWiki versions 14.4.8, 14.10.3, and 15.0RC1.

Affected Systems and Versions

The vulnerability affects XWiki versions < 14.4.8 and >= 14.5.0, < 14.10.3. Users using these versions are at risk of code injection attacks and unauthorized data access.

Exploitation Mechanism

Attackers can exploit the vulnerability by creating a non-existing page with a malicious payload, enabling the execution of arbitrary scripts and gaining full control over wiki contents.

Mitigation and Prevention

To secure systems against CVE-2023-29522, immediate actions and long-term security measures are crucial.

Immediate Steps to Take

Users are strongly recommended to upgrade to patched versions (XWiki 14.4.8, 14.10.3, and 15.0RC1) to mitigate the risk of code injection attacks. There are no known workarounds available for this vulnerability.

Long-Term Security Practices

Implement strict access controls, regularly update software, monitor for unauthorized activities, and conduct security audits to prevent code injection vulnerabilities and protect sensitive data.

Patching and Updates

Regularly check for security updates and apply patches provided by XWiki to address known vulnerabilities and ensure the security of the platform.