ID:10949 - Exploit for Out-of-bounds write in FortiOS - CVE-2024-21762

Link to public exploit:

Vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing HTTP requests in sslvpnd. A remote attacker can send specially crafted HTTP requests to the SSL-VPN service, trigger an out-of-bounds write and execute arbitrary code on the target system.

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install updates from vendor's website.

As a workaround it is possible to disable SSL VPN. Note, disabling just the webmode is NOT a valid workaround.