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Fortinet Fortigate - SSLVPN session hijacking using SAML authentication (FG-IR-23-475)

high Nessus Plugin ID 210874

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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-23-475 advisory.

 - A session fixation in Fortinet FortiOS version 7.4.0 through 7.4.3 and 7.2.0 through 7.2.7 and 7.0.0 through 7.0.13 allows attacker to execute unauthorized code or commands via phishing SAML authentication link. (CVE-2023-50176)

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 7.0.14 / 7.2.8 / 7.4.4 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-23-475

Plugin Details

Severity: High

ID: 210874

File Name: fortigate_FG-IR-23-475.nasl

Version: 1.2

Type: local

Family: Firewalls

Published: 11/12/2024

Updated: 11/15/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2023-50176

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2024

Vulnerability Publication Date: 11/12/2024

Reference Information

CVE: CVE-2023-50176

IAVA: 2024-A-0745