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Siemens Teamcenter Visualization and JT2Go

Plan Patch7.8ICS-CERT ICSA-22-349-20Dec 13, 2022
Attack VectorLocal
Auth RequiredNone
ComplexityLow
User InteractionRequired
Summary

Siemens Teamcenter Visualization and JT2Go are vulnerable to multiple file parsing flaws in CGM and RAS file handling. When a user opens a crafted malicious file in either format, the vulnerable parser fails to properly validate the file structure. This can trigger a null pointer dereference, out-of-bounds read, heap or stack buffer overflow, use-after-free, integer division by zero, or integer overflow (CWE-476, CWE-125, CWE-787, CWE-416, CWE-369, CWE-770). The result is application crash or arbitrary code execution with the privileges of the user running the application.

What this means
What could happen
An attacker could craft a malicious CGM or RAS file that, when opened in Teamcenter Visualization or JT2Go, crashes the application or allows arbitrary code execution on the engineering workstation. This could disrupt design and manufacturing workflows or compromise the integrity of CAD/product data.
Who's at risk
Engineering and design teams using Siemens Teamcenter Visualization or JT2Go for CAD model viewing and design work. Affects manufacturing, automotive, aerospace, and other industries that rely on digital product design and simulation.
How it could be exploited
An attacker tricks a designer or engineer into opening a malicious CGM or RAS file (likely via email or file sharing). When the file is opened in the vulnerable application, the parser fails to properly validate the file structure, causing a crash or memory corruption that leads to code execution on the workstation with the user's privileges.
Prerequisites
  • User interaction required: victim must open a malicious CGM or RAS file
  • File access: attacker must deliver the malicious file to the victim (email, shared drive, etc.)
  • Target must have vulnerable version of Teamcenter Visualization or JT2Go installed
user interaction requiredlow complexity attackaffects engineering workstationsno authentication required to exploit if file is opened
Exploitability
Low exploit probability (EPSS 0.1%)
Affected products (7)
7 with fix
ProductAffected VersionsFix Status
JT2Go<V14.1.0.614.1.0.6
Teamcenter Visualization V13.2<V13.2.0.1213.2.0.12
Teamcenter Visualization V13.3<V13.3.0.813.3.0.8
Teamcenter Visualization V13.3<V13.3.0.913.3.0.9
Teamcenter Visualization V14.0<V14.0.0.414.0.0.4
Teamcenter Visualization V14.0<V14.0.0.514.0.0.5
Teamcenter Visualization V14.1<V14.1.0.614.1.0.6
Remediation & Mitigation
0/7
Do now
0/1
JT2Go
WORKAROUNDInstruct users not to open untrusted CGM or RAS files in JT2Go and Teamcenter Visualization
Schedule — requires maintenance window
0/5

Patching may require device reboot — plan for process interruption

JT2Go
HOTFIXUpdate JT2Go to version 14.1.0.6 or later
Teamcenter Visualization V13.2
HOTFIXUpdate Teamcenter Visualization V13.2 to version 13.2.0.12 or later
Teamcenter Visualization V13.3
HOTFIXUpdate Teamcenter Visualization V13.3 to version 13.3.0.8 or later
Teamcenter Visualization V14.0
HOTFIXUpdate Teamcenter Visualization V14.0 to version 14.0.0.4 or later
Teamcenter Visualization V14.1
HOTFIXUpdate Teamcenter Visualization V14.1 to version 14.1.0.6 or later
Long-term hardening
0/1
HARDENINGImplement email filtering and user training to reduce social engineering attacks that deliver malicious files
View full CISA ICS-CERT advisory
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