Fortiguard Firewall heap-based buffer overflow Vulnerability

Fortiguard Firewall heap-based buffer overflow Vulnerability

CVE: CVE-2022-42475

What is Vulnerable:

• FortiOS version 7.2.0 through 7.2.2
• FortiOS version 7.0.0 through 7.0.8
• FortiOS version 6.4.0 through 6.4.10
• FortiOS version 6.2.0 through 6.2.11
• FortiOS-6K7K version 7.0.0 through 7.0.7
• FortiOS-6K7K version 6.4.0 through 6.4.9
• FortiOS-6K7K version 6.2.0 through 6.2.11
• FortiOS-6K7K version 6.0.0 through 6.0.14

What's Happened:

On December 12 Fortinet published a security bulletin for a vulnerability allowing remote execution of arbitrary code on affected firewalls to enable initial access by malicious actors.

Fortinet have advised that this vulnerability is being exploited in the wild, and recommends that you immediately update your systems to the latest versions of FortiOS.

What you can do:

• We strongly recommend that all customers using Fortigate Firewalls immediately upgrade to the latest version, which includes a patch for this vulnerability.
• Further details on the vulnerability are available here: https://www.fortiguard.com/psirt/FG-IR-22-398
• Update resources can be found here: https://docs.fortinet.com/product/fortigate/7.2
• Cythera is continuing to monitor all Managed Detection and Managed Vulnerability clients.