Vulnerability details
Advisory: SB2022121216 - Remote code execution in FortiOS sslvpnd
Vulnerable component: FortiOS
CVE-ID: CVE-2022-42475
CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
CWE-ID: CWE-122 - Heap-based Buffer Overflow
Description:
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the sslvpnd daemon. A remote non-authenticated attacker can pass specially crafted data to the SSL-VPN interface, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
External links:
https://fortiguard.fortinet.com/psirt/FG-IR-22-398