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Fortinet Fortigate Out-of-bound Write in sslvpnd (FG-IR-24-015)

critical Nessus Plugin ID 190238

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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-24-015 advisory.

 - A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests (CVE-2024-21762)

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 Fortigate version 6.0.18 / 6.2.16 / 6.4.15 / 7.0.14 / 7.2.7 / 7.4.3 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-24-015

Plugin Details

Severity: Critical

ID: 190238

File Name: fortigate_FG-IR-24-015.nasl

Version: 1.11

Type: local

Family: Firewalls

Published: 2/8/2024

Updated: 10/29/2024

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2024-21762

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

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

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/8/2024

Vulnerability Publication Date: 2/8/2024

CISA Known Exploited Vulnerability Due Dates: 2/16/2024

Exploitable With

Core Impact

Reference Information

CVE: CVE-2024-21762

IAVA: 2024-A-0079-S