CVE-2022-42469 : Exploit Details and Defense Strategies

A permissive list of allowed inputs vulnerability in FortiGate versions 7.2.3 and below, as well as version 7.0.9 and below Policy-based NGFW Mode, may allow an authenticated SSL-VPN user to bypass the policy via bookmarks in the web portal.

Understanding CVE-2022-42469

This section will cover the details related to CVE-2022-42469.

What is CVE-2022-42469?

CVE-2022-42469 is a vulnerability in FortiGate versions 7.2.3 and below, and version 7.0.9 and below Policy-based NGFW Mode that could allow an authenticated SSL-VPN user to bypass the policy via bookmarks in the web portal.

The Impact of CVE-2022-42469

The impact of this vulnerability is that it could potentially lead to unauthorized access and bypassing of security policies, compromising the security of the system.

Technical Details of CVE-2022-42469

This section will discuss the technical aspects of CVE-2022-42469.

Vulnerability Description

The vulnerability involves a permissive list of allowed inputs, leading to improper access control.

Affected Systems and Versions

FortiGate versions 7.2.3 and below, as well as version 7.0.9 and below Policy-based NGFW Mode, are affected by this vulnerability.

Exploitation Mechanism

An authenticated SSL-VPN user can exploit this vulnerability by bypassing the policy via bookmarks in the web portal.

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2022-42469 vulnerability.

Immediate Steps to Take

Upgrade to FortiOS version 7.2.4 or above. Upgrade to FortiOS version 7.0.11 or above to protect your system.

Long-Term Security Practices

Implement proper access controls, regularly update your systems, and monitor for any suspicious activities.

Patching and Updates

Stay updated with security patches and regularly apply updates to ensure your system is protected against known vulnerabilities.