CVE-2022-24882 : Vulnerability Insights and Analysis

A critical vulnerability has been identified in FreeRDP's server-side implementation where NT LAN Manager (NTLM) authentication fails to properly handle empty password values.

Understanding CVE-2022-24882

This CVE affects FreeRDP versions prior to 2.7.0 and impacts FreeRDP-based RDP Server implementations.

What is CVE-2022-24882?

In FreeRDP versions earlier than 2.7.0, a flaw in the server-side NTLM authentication allows unauthorized access when an empty password value is provided.

The Impact of CVE-2022-24882

This vulnerability poses a critical threat to system confidentiality and integrity, with a CVSS base score of 9.1 (Critical).

Technical Details of CVE-2022-24882

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from improperly handling empty password values during NTLM authentication, leading to unauthorized access.

Affected Systems and Versions

FreeRDP versions prior to 2.7.0 are impacted by this vulnerability, affecting FreeRDP-based RDP Server implementations.

Exploitation Mechanism

Attackers can exploit this vulnerability by providing an empty password value, bypassing NTLM authentication mechanisms and gaining unauthorized access.

Mitigation and Prevention

Learn how to protect your systems from CVE-2022-24882.

Immediate Steps to Take

Update affected systems to FreeRDP 2.7.0 or later to patch the vulnerability and prevent unauthorized access.

Long-Term Security Practices

Enforce strong password policies and consider implementing multi-factor authentication to enhance security posture.

Patching and Updates

Regularly apply security patches and updates to address known vulnerabilities and improve system resilience.