SSA-773256

Siemens Security Advisory by Siemens ProductCERT

SSA-773256: Impact of Socket.IO CVE-2024-38355 on Siemens Industrial Products

Publication Date:	2024-09-10
Last Update:	2024-09-10
Current Version:	V1.0
CVSS v3.1 Base Score:	7.3
CVSS v4.0 Base Score:	6.9

SUMMARY

A Socket.IO vulnerability affects multiple Siemens industrial products. This vulnerability consists of a specially crafted Socket.IO packet that triggers an uncaught exception on the Socket.IO server killing the Node.js process allowing a remote attacker to cause Denial-of-Service condition in the affected products.

Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends countermeasures for products where fixes are not, or not yet available.

AFFECTED PRODUCTS AND SOLUTION

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Affected Product and Versions	Remediation
AI Model Deployer All versions < V1.1 affected by CVE-2024-38355	Update to V1.1 or later version https://support.industry.siemens.com/cs/ww/en/view/109827564/
Data Flow Monitoring Industrial Edge Device User Interface (DFM IED UI) All versions < V0.0.6 affected by CVE-2024-38355	Update to V0.0.6 or later version https://iehub.eu1.edge.siemens.cloud/
LiveTwin Industrial Edge app (6AV2170-0BL00-0AA0) All versions < V2.4 affected by CVE-2024-38355	Update to V2.4 or later version https://iehub.eu1.edge.siemens.cloud/
SIMATIC PCS neo	Open for details
SIMATIC PCS neo V4.1 All versions < V4.1 Update 2 affected by CVE-2024-38355	Update to V4.1 Update 2 or later version https://support.industry.siemens.com/cs/ww/en/view/109825230/
SIMATIC PCS neo V5.0 All versions affected by CVE-2024-38355	Currently no fix is available
SIMATIC WinCC Runtime Professional	Open for details
SIMATIC WinCC Runtime Professional V17 All versions affected by CVE-2024-38355	Currently no fix is planned
SIMATIC WinCC Runtime Professional V18 All versions affected by CVE-2024-38355	Currently no fix is available
SIMATIC WinCC Runtime Professional V19 All versions affected by CVE-2024-38355	Currently no fix is available
SIMATIC WinCC Runtime Professional V20 All versions affected by CVE-2024-38355	Currently no fix is available
SIMATIC WinCC V7/V8	Open for details
SIMATIC WinCC V7.4 All versions with installed WebRH affected by CVE-2024-38355	Currently no fix is planned
SIMATIC WinCC V7.5 All versions affected by CVE-2024-38355	Currently no fix is available
SIMATIC WinCC V8.0 All versions affected by CVE-2024-38355	Currently no fix is available
TIA Administrator All versions < V3.0 SP3 affected by CVE-2024-38355	Update to V3.0 SP3 or later version https://support.industry.siemens.com/cs/ww/en/view/109825038/

WORKAROUNDS AND MITIGATIONS

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

AI Model Deployer is the key application for automation engineers to deploy a trained machine learning model to Siemens hardware. It can import models from different AI frameworks, convert and optimize the models to Siemens hardware compliant format.

The Data Flow Monitoring provides the transparency of the data movement between applications installed on an IE device. It displays and records the connectivity between different applications installed on an IED.

LiveTwin Industrial Edge app allows the user to execute 1D simulations on edge devices and connect the inputs and outputs to different systems using already available connectors.

SIMATIC PCS neo is a distributed control system (DCS).

SIMATIC WinCC is a supervisory control and data acquisition (SCADA) system.

SIMATIC WinCC Runtime Professional is a visualization runtime platform used for operator control and monitoring of machines and plants.

TIA Administrator is a web-based framework that can incorporate different function modules for administrative tasks, as well as functions for managing SIMATIC software and licenses.

WinCC WebUX is one of the components of SIMATIC WinCC which provides a solution for device-independent and browser-independent operator control and monitoring of the automation system.

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-2024-38355

Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. This issue is fixed by commit 15af22fc22 which has been included in socket.io@4.6.2 (released in May 2023). The fix was backported in the 2.x branch as well with commit d30630ba10. Users are advised to upgrade. Users unable to upgrade may attach a listener for the "error" event to catch these errors.

CVSS v3.1 Base Score	7.3
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0 Base Score	6.9
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CWE	CWE-20: Improper Input Validation

ADDITIONAL INFORMATION

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 (2024-09-10):

Publication Date

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