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Fortinet Fortigate Null pointer dereference in sslvnd (FG-IR-23-111)

high Nessus Plugin ID 177122

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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-23-111 advisory.

 - A null pointer dereference in Fortinet FortiOS version 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.14, 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.3, 7.0.0 through 7.0.10, 2.0.0 through 2.0.12, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to denial of service via specially crafted HTTP requests. (CVE-2023-29180)

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 6.0.17 / 6.2.15 / 6.4.13 / 7.0.12 / 7.2.5 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-23-111

Plugin Details

Severity: High

ID: 177122

File Name: fortigate_FG-IR-23-111.nasl

Version: 1.7

Type: local

Family: Firewalls

Published: 6/12/2023

Updated: 10/29/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-29180

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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: 6/12/2023

Vulnerability Publication Date: 6/12/2023

Reference Information

CVE: CVE-2023-29180

IAVA: 2023-A-0281-S