CVE-2022-29055 : What You Need to Know

A detailed overview of CVE-2022-29055 focusing on the vulnerability found in Fortinet FortiOS and FortiProxy.

Understanding CVE-2022-29055

This section delves into the description, impact, technical details, and mitigation strategies related to CVE-2022-29055.

What is CVE-2022-29055?

CVE-2022-29055 involves an access of uninitialized pointer in Fortinet FortiOS versions 7.2.0, 7.0.0 through 7.0.5, 6.4.0 through 6.4.8, 6.2.0 through 6.2.10, 6.0.x, and FortiProxy versions 7.0.0 through 7.0.4, 2.0.0 through 2.0.9, 1.2.x. This vulnerability allows a remote attacker to crash the sslvpn daemon through an HTTP GET request.

The Impact of CVE-2022-29055

The impact of this vulnerability lies in its ability to be exploited by a remote unauthenticated or authenticated attacker, resulting in a denial of service (DoS) attack. The attacker can deliberately crash the sslvpn daemon, affecting availability.

Technical Details of CVE-2022-29055

This section covers the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability arises from an uninitialized pointer access, enabling an attacker to disrupt the sslvpn daemon via an HTTP GET request.

Affected Systems and Versions

Fortinet FortiOS versions 7.2.0, 7.0.x, 6.4.x, 6.2.x, 6.0.x, and FortiProxy versions 7.0.x, 2.0.x, 1.2.x are affected by CVE-2022-29055, making them susceptible to the identified issue.

Exploitation Mechanism

An attacker, whether authenticated or unauthenticated, can exploit this vulnerability remotely by triggering a crash in the sslvpn daemon through a malicious HTTP GET request.

Mitigation and Prevention

Explore the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

It is crucial to apply any available patches or security updates released by Fortinet to address CVE-2022-29055. Organizations should also monitor for any unusual network activity.

Long-Term Security Practices

Incorporate a robust security posture that includes ongoing vulnerability assessments, network segmentation, and access control measures to enhance overall security resilience.

Patching and Updates

Regularly check for updates from Fortinet and promptly apply relevant patches to safeguard systems from potential exploitation.