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FortiWeb: FortiWeb - OS command injection due to direct input interpolation in API controllers (FG-IR-21-180)

high Nessus Plugin ID 164722

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Synopsis

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

Description

The version of FortiWeb installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-21-180 advisory.

 - An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in FortiWeb may allow an authenticated attacker to execute arbitrary code or commands via crafted HTTP requests to ApplicationDelivery, JsonProtection and WebProtection controllers.
 (CVE-2021-43073)

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 FortiWeb version 6.2.7 / 6.3.17 / 6.4.2 or later.

See Also

https://fortiguard.com/psirt/FG-IR-21-180

Plugin Details

Severity: High

ID: 164722

File Name: FortiWeb_FG-IR-21-180.nasl

Version: 1.4

Type: local

Family: Firewalls

Published: 9/6/2022

Updated: 3/23/2023

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:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2021-43073

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:/a:fortinet:fortiweb

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/1/2022

Vulnerability Publication Date: 2/1/2022

Reference Information

CVE: CVE-2021-43073