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Fortinet Fortigate IPsec dynamic assignation IP spoofing (FG-IR-23-407)

medium Nessus Plugin ID 214090

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-23-407 advisory.

 - An origin validation error [CWE-346] vulnerability in Fortinet FortiOS IPSec VPN version 7.4.0 through 7.4.1 and version 7.2.6 and below allows an authenticated IPSec VPN user with dynamic IP addressing to send (but not receive) packets spoofing the IP of another user via crafted network packets.
 (CVE-2023-46715)

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

Solution

Upgrade to Fortigate version 6.2.999999 / 6.4.999999 / 7.0.999999 / 7.2.999999 / 7.4.2 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-23-407

Plugin Details

Severity: Medium

ID: 214090

File Name: fortigate_FG-IR-23-407.nasl

Version: 1.1

Type: local

Family: Firewalls

Published: 1/14/2025

Updated: 1/14/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS Score Source: CVE-2023-46715

CVSS v3

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

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

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: 1/14/2025

Vulnerability Publication Date: 1/14/2025

Reference Information

CVE: CVE-2023-46715