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Fortinet FortiWeb Open redirect in redir handler due to direct input interpolation (FG-IR-21-168)

medium Nessus Plugin ID 209799

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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-21-168 advisory.

 - A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to use the device as a proxy and reach external or protected hosts via redirection handlers. (CVE-2021-43064)

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 FortiWeb version 6.3.16/6.4.2/7.0.0 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-21-168

Plugin Details

Severity: Medium

ID: 209799

File Name: fortiweb_FG-IR-21-168.nasl

Version: 1.2

Type: local

Family: Firewalls

Published: 10/27/2024

Updated: 10/28/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2021-43064

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Publication Date: 12/7/2021

Reference Information

CVE: CVE-2021-43064