CVE-2022-41928 : Security Advisory and Response

A vulnerability has been discovered in the XWiki Platform related to Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') in AttachmentSelector.xml file. This CVE has been assigned a CVSS base score of 9.9, indicating a critical severity. Read on to understand the impact, technical details, and mitigation strategies for CVE-2022-41928.

Understanding CVE-2022-41928

This section provides an overview of the vulnerability and its implications.

What is CVE-2022-41928?

The CVE-2022-41928 vulnerability in XWiki Platform involves improper neutralization of directives in dynamically evaluated code, specifically in the AttachmentSelector.xml file. Attackers can exploit this issue by inserting malicious payloads in the

height

or

alt

macro properties.

The Impact of CVE-2022-41928

The vulnerability can lead to 'Eval Injection,' allowing threat actors to execute arbitrary code within the context of the affected application. This can result in unauthorized access, data manipulation, and potentially a complete system compromise.

Technical Details of CVE-2022-41928

Explore the specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from the lack of proper input validation, enabling attackers to inject and execute malicious code through specially crafted macro properties.

Affected Systems and Versions

XWiki Platform versions ranging from >= 5.0-milestone-1 to < 13.10.7 and >= 14.0.0 to < 14.4.2 are susceptible to this vulnerability. Users of these versions are at risk and should take immediate action.

Exploitation Mechanism

Threat actors can exploit this vulnerability by manipulating the

height

or

alt

macro properties, leading to the execution of arbitrary code within the affected application's context.

Mitigation and Prevention

Discover effective strategies to mitigate the risks associated with CVE-2022-41928.

Immediate Steps to Take

It is crucial for organizations using XWiki Platform to update to the patched versions immediately: 13.10.7, 14.4.2, or 14.5. Additionally, users can manually fix the issue by updating

XWiki.AttachmentSelector

with the provided versions.

Long-Term Security Practices

Implement robust input validation mechanisms, conduct regular security assessments, and educate developers on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor for security advisories, apply patches promptly, and maintain an efficient update management process to safeguard your systems against emerging threats.