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Fortinet Fortigate Stack-based buffer overflows in diagnostic CLI commands (FG-IR-21-179)

medium Nessus Plugin ID 209850

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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-21-179 advisory.

 - A stack-based buffer overflow vulnerability [CWE-121] in the command line interpreter of FortiOS before 7.0.4 and FortiProxy before 2.0.8 may allow an authenticated attacker to execute unauthorized code or commands via specially crafted command line arguments. (CVE-2021-44170)

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 6.2.11/6.4.9/7.0.4 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-21-179

Plugin Details

Severity: Medium

ID: 209850

File Name: fortigate_FG-IR-21-179.nasl

Version: 1.1

Type: local

Family: Firewalls

Published: 10/28/2024

Updated: 10/28/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2021-44170

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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: 7/5/2022

Vulnerability Publication Date: 7/5/2022

Reference Information

CVE: CVE-2021-44170

IAVA: 2022-A-0264-S