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Multiple WRL File Parsing Vulnerabilities in Tecnomatix Plant Simulation

Plan Patch7.8SSA-478780Nov 14, 2023
Attack VectorLocal
Auth RequiredNone
ComplexityLow
User InteractionRequired
Summary

Tecnomatix Plant Simulation contains multiple file parsing vulnerabilities in WRL (VRML 3D model) file handling. The vulnerabilities include buffer overflows (CWE-121, CWE-122, CWE-787), improper type casting (CWE-843), and use-after-free conditions (CWE-416). If a user opens a malicious WRL file, the application may crash or execute arbitrary code with the user's privileges. Affected versions: V2201 before 2201.0010 and V2302 before 2302.0004.

What this means
What could happen
An attacker could trick a user into opening a malicious WRL 3D model file, causing Tecnomatix Plant Simulation to crash or potentially run arbitrary code with the user's privileges. This affects simulation engineers and planning workflows at facilities using this tool for plant layout design and analysis.
Who's at risk
Simulation engineers and plant designers who use Siemens Tecnomatix Plant Simulation for facility layout design, logistics modeling, and process simulation. This affects any organization relying on this tool for manufacturing simulation and planning, particularly those receiving model files from external suppliers or consultants.
How it could be exploited
An attacker crafts a malicious WRL (VRML) file and sends it to a simulation engineer via email or file-sharing platform. When the engineer opens the file in Tecnomatix Plant Simulation, the parser encounters a buffer overflow or use-after-free condition in the WRL handler, triggering code execution or application crash.
Prerequisites
  • User must open a malicious WRL file in Tecnomatix Plant Simulation
  • Vulnerable version of the application must be installed (V2201 before 0010 or V2302 before 0004)
  • Social engineering or file-sharing mechanism to deliver the malicious WRL file to the user
Low complexity attackRequires user interaction (social engineering)Affects engineering/planning systemsMultiple memory corruption vulnerabilities
Exploitability
Low exploit probability (EPSS 0.1%)
Affected products (2)
2 with fix
ProductAffected VersionsFix Status
Tecnomatix Plant Simulation V2201<V2201.00102201.0010
Tecnomatix Plant Simulation V2302<V2302.00042302.0004
Remediation & Mitigation
0/3
Do now
0/1
HARDENINGTrain users to avoid opening WRL files from untrusted sources and to be cautious with 3D model files sent from external parties
Schedule — requires maintenance window
0/2

Patching may require device reboot — plan for process interruption

Tecnomatix Plant Simulation V2201
HOTFIXUpdate Tecnomatix Plant Simulation V2201 to version 2201.0010 or later
Tecnomatix Plant Simulation V2302
HOTFIXUpdate Tecnomatix Plant Simulation V2302 to version 2302.0004 or later
View full Siemens ProductCERT advisory
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