Fortinet FortiWeb Stack-based buffer overflow due to type mismatch (FG-IR-21-134)

high Nessus Plugin ID 209741

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-21-134 advisory.

- A stack-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, allows an authenticated attacker to execute unauthorized code or commands via crafted certificates loaded into the device.
(CVE-2021-41027)

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 6.4.2/7.0.0 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-21-134

Plugin Details

Severity: High

ID: 209741

File Name: fortiweb_FG-IR-21-134.nasl

Version: 1.2

Type: local

Family: Firewalls

Published: 10/26/2024

Updated: 10/28/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-41027

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/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

Vulnerability Publication Date: 12/7/2021

Reference Information

CVE: CVE-2021-41027