SSA-698820

Siemens Security Advisory by Siemens ProductCERT

SSA-698820: Multiple Vulnerabilities in Fortigate NGFW Before V7.4.4 on RUGGEDCOM APE1808 Devices

Publication Date:	2024-07-09
Last Update:	2024-10-08
Current Version:	V1.3
CVSS v3.1 Base Score:	7.5

SUMMARY

Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products.

Siemens has released a new version of Fortigate NGFW for RUGGEDCOM APE1808 and recommends to update to the latest version. Siemens recommends to consult and implement the workarounds provided in Fortinet's upstream security notifications.

AFFECTED PRODUCTS AND SOLUTION

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Affected Product and Versions	Remediation
RUGGEDCOM APE1808 All versions with Fortinet NGFW < V7.4.4 affected by all CVEs CVE-2023-46720 CVE-2024-21754 CVE-2024-23111 CVE-2024-26006 CVE-2024-26010 CVE-2024-26015 CVE-2024-36505	Update Fortigate NGFW to V7.4.4. Contact customer support to receive patch and update information. See further recommendations from section Workarounds and Mitigations

WORKAROUNDS AND MITIGATIONS

Siemens has identified the following specific workarounds and mitigations that customers can apply to reduce the risk:

CVE-2024-26006: Disable SSL-VPN web-mode (see https://fortiguard.fortinet.com/psirt/FG-IR-23-485)
CVE-2024-26010: For each interface, remove the fgfm access (see https://www.fortiguard.com/psirt/FG-IR-24-036)

Product-specific remediations or mitigations can be found in the section Affected Products and Solution.
Please follow the General Security Recommendations.

GENERAL SECURITY RECOMMENDATIONS

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

PRODUCT DESCRIPTION

The RUGGEDCOM APE1808 is a powerful utility-grade application hosting platform that lets you deploy a range of commercially available applications for edge computing and cybersecurity in harsh, industrial environments.

VULNERABILITY DESCRIPTION

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This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

Vulnerability CVE-2023-46720

A stack-based buffer overflow in Fortinet FortiOS version 7.4.0 through 7.4.1 and 7.2.0 through 7.2.7 and 7.0.0 through 7.0.12 and 6.4.6 through 6.4.15 and 6.2.9 through 6.2.16 and 6.0.13 through 6.0.18 allows attacker to execute unauthorized code or commands via specially crafted CLI commands.

CVSS v3.1 Base Score	6.7
CVSS v3.1 Vector	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE	CWE-121: Stack-based Buffer Overflow

Vulnerability CVE-2024-21754

A use of password hash with insufficient computational effort vulnerability [CWE-916] affecting FortiOS version 7.4.3 and below, 7.2 all versions, 7.0 all versions, 6.4 all versions and FortiProxy version 7.4.2 and below, 7.2 all versions, 7.0 all versions, 2.0 all versions may allow a privileged attacker with super-admin profile and CLI access to decrypting the backup file.

CVSS v3.1 Base Score	1.8
CVSS v3.1 Vector	CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
CWE	CWE-916: Use of Password Hash With Insufficient Computational Effort

Vulnerability CVE-2024-23111

An improper neutralization of input during web page Generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiOS version 7.4.3 and below, 7.2 all versions, 7.0 all versions, 6.4 all versions and FortiProxy version 7.4.2 and below, 7.2 all versions, 7.0 all versions, 2.0 all versions reboot page may allow a remote privileged attacker with super-admin access to execute JavaScript code via crafted HTTP GET requests.

CVSS v3.1 Base Score	6.8
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE	CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Vulnerability CVE-2024-26006

An improper neutralization of input during web page Generation vulnerability [CWE-79] in FortiOS and FortiProxy's web SSL VPN UI may allow a remote unauthenticated attacker to perform a Cross-Site Scripting attack via social engineering the targeted user into bookmarking a malicious samba server, then opening the bookmark.

CVSS v3.1 Base Score	7.5
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE	CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Vulnerability CVE-2024-26010

A stack-based buffer overflow in Fortinet FortiPAM version 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiWeb, FortiAuthenticator, FortiSwitchManager version 7.2.0 through 7.2.3, 7.0.1 through 7.0.3, FortiOS version 7.4.0 through 7.4.3, 7.2.0 through 7.2.7, 7.0.0 through 7.0.14, 6.4.0 through 6.4.15, 6.2.0 through 6.2.16, 6.0.0 through 6.0.18, FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9, 7.0.0 through 7.0.15, 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 specially crafted packets.

CVSS v3.1 Base Score	7.5
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE	CWE-121: Stack-based Buffer Overflow

Vulnerability CVE-2024-26015

An incorrect parsing of numbers with different radices vulnerability [CWE-1389] in FortiProxy version 7.4.3 and below, version 7.2.10 and below, version 7.0.17 and below and FortiOS version 7.4.3 and below, version 7.2.8 and below, version 7.0.15 and below IP address validation feature may permit an unauthenticated attacker to bypass the IP blocklist via crafted requests.

CVSS v3.1 Base Score	3.4
CVSS v3.1 Vector	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N/E:F/RL:W/RC:R
CWE	CWE-1389: Incorrect Parsing of Numbers with Different Radices

Vulnerability CVE-2024-36505

An improper access control vulnerability [CWE-284] in FortiOS 7.4.0 through 7.4.3, 7.2.5 through 7.2.7, 7.0.12 through 7.0.14 and 6.4.x may allow an attacker who has already successfully obtained write access to the underlying system (via another hypothetical exploit) to bypass the file integrity checking system.

CVSS v3.1 Base Score	5.1
CVSS v3.1 Vector	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RC:R
CWE	CWE-284: Improper Access Control

ADDITIONAL INFORMATION

Siemens recommends to consult and implement the workarounds provided in Fortinet's upstream security notifications. Fortinet provides a public RSS feed for their security alerts to which customers can also subscribe [1].

[1] https://filestore.fortinet.com/fortiguard/rss/ir.xml

For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

HISTORY DATA

V1.0 (2024-07-09):	Publication Date
V1.1 (2024-08-13):	Updated CVE-2024-23111 description and added newly published CVE-2024-26006 and CVE-2024-26015
V1.2 (2024-09-10):	Added newly published upstream vulnerability CVE-2024-36505
V1.3 (2024-10-08):	Added fix for Fortinet NGFW as released from Siemens for RUGGEDCOM APE1808; added mitigations for CVE-2024-26006 and CVE-2024-26010

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