CVE-2022-24799 : Exploit Details and Defense Strategies

A critical vulnerability (CVE-2022-24799) has been identified in Wire Webapp that could allow attackers to inject and execute arbitrary HTML and JavaScript code, potentially leading to full control of user accounts. This article provides insights into the impact, technical details, and mitigation strategies for the CVE.

Understanding CVE-2022-24799

This section delves into the details of the vulnerability affecting Wire Webapp.

What is CVE-2022-24799?

The vulnerability in Wire Webapp allows for the injection and execution of arbitrary HTML and JavaScript code, enabling potential account takeover.

The Impact of CVE-2022-24799

With a critical severity rating, this vulnerability poses a high risk, allowing attackers to compromise user accounts and potentially control victim systems.

Technical Details of CVE-2022-24799

Explore the specific technical aspects of the CVE in this section.

Vulnerability Description

Insufficient escaping in markdown 'code highlighting' in Wire Webapp leads to the injection and execution of arbitrary HTML and JavaScript code.

Affected Systems and Versions

The vulnerability impacts Wire Webapp versions prior to 2022-03-30-production.0, exposing users to potential exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending malicious messages containing the injected code, which executes in the victim's context.

Mitigation and Prevention

Learn about the necessary steps to address and prevent exploitation of CVE-2022-24799.

Immediate Steps to Take

Update Wire Webapp to version 2022-03-30-production.0 or newer to mitigate the vulnerability and prevent further exploitation.

Long-Term Security Practices

Adopt secure coding practices and regularly update Wire Webapp to stay protected against emerging threats.

Patching and Updates

Ensure on-premise instances are updated to docker tag 2022-03-30-production.0-v0.29.2-0-d144552 or wire-server 2022-03-30 (chart/4.8.0) to eliminate the vulnerability.