Fortinet Fortigate RSA SSH host key lost at shutdown (FG-IR-22-228)

high Nessus Plugin ID 166983

Synopsis

Fortinet Firewall is missing one or more security-related updates.

Description

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-22-228 advisory.

- A key management error vulnerability [CWE-320] affecting the RSA SSH host key in FortiOS 7.2.0 and below, 7.0.6 and below, 6.4.9 and below may allow an unauthenticated attacker to perform a man in the middle attack. (CVE-2022-30307)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Please upgrade to FortiOS version 6.4.10/7.0.8/7.2.2 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-22-228

Plugin Details

Severity: High

ID: 166983

File Name: fortigate_FG-IR-22-228.nasl

Version: 1.6

Type: local

Family: Firewalls

Published: 11/4/2022

Updated: 10/29/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2022-30307

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/model, Host/Fortigate/version

Exploit Ease: No known exploits are available

Patch Publication Date: 11/1/2022

Vulnerability Publication Date: 11/1/2022

Reference Information

CVE: CVE-2022-30307

IAVA: 2022-A-0458-S