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Fortinet Fortigate - DoS in firmware upgrade function (FG-IR-22-375)

medium Nessus Plugin ID 177119

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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-22-375 advisory.

 - A loop with unreachable exit condition ('Infinite Loop') vulnerability [CWE-835] in FortiOS, FortiProxy and Fortiweb may allow an authenticated attacker to perform a denial of service via a specially crafted firmware image. (CVE-2023-33305)

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 FortiPAM version 1.0.0 or above Please upgrade to FortiWeb version 7.2.2 or above Please upgrade to FortiWeb version 7.0.7 or above Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.11 or above Please upgrade to FortiProxy version 7.2.4 or above Please upgrade to FortiProxy version 7.0.10 or above

See Also

https://www.fortiguard.com/psirt/FG-IR-22-375

Plugin Details

Severity: Medium

ID: 177119

File Name: fortigate_FG-IR-22-375.nasl

Version: 1.5

Type: local

Family: Firewalls

Published: 6/12/2023

Updated: 12/1/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-33305

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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-2023-33305

IAVA: 2023-A-0281-S