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Fortinet Fortigate - Ability to modify privileges from Custom to Read-Write (FG-IR-22-346)

medium Nessus Plugin ID 174404

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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-22-346 advisory.

 - An improper privilege management vulnerability [CWE-269] in Fortinet FortiOS version 7.2.0 and before 7.0.7 and FortiProxy version 7.2.0 through 7.2.1 and before 7.0.7 allows an attacker that has access to the admin profile section (System subsection Administrator Users) to modify their own profile and upgrade their privileges to Read Write via CLI or GUI commands. (CVE-2022-38378)

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 7.2.1 or above Please upgrade to FortiOS version 7.0.8 or above Please upgrade to FortiProxy version 7.2.2 or above Please upgrade to FortiProxy version 7.0.8 or above Workaround : Avoid administrative profiles that mix custom privileges permissions on a section and read-write permissions on the system section.

See Also

https://www.fortiguard.com/psirt/FG-IR-22-346

Plugin Details

Severity: Medium

ID: 174404

File Name: fortigate_FG-IR-22-346.nasl

Version: 1.0

Type: local

Family: Firewalls

Published: 4/17/2023

Updated: 4/17/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 4.4

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

CVSS Score Source: CVE-2022-38378

CVSS v3

Risk Factor: Medium

Base Score: 6

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: cpe:/a:fortinet:fortiproxy

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/16/2023

Vulnerability Publication Date: 2/16/2023

Reference Information

CVE: CVE-2022-38378

IAVA: 2023-A-0110-S