CVE-2023-44082 in Tecnomatix Plant Simulation
Summary
by MITRE • 10/25/2023
A vulnerability has been identified in Tecnomatix Plant Simulation V2201 (All versions < V2201.0009), Tecnomatix Plant Simulation V2302 (All versions < V2302.0003). The affected application contains an out of bounds write past the end of an allocated buffer while parsing a specially crafted SPP file. This could allow an attacker to execute code in the context of the current process.
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Analysis
by VulDB Data Team • 10/25/2023
This vulnerability exists in Siemens Tecnomatix Plant Simulation software versions prior to specific patch levels, representing a critical buffer overflow flaw that could enable remote code execution. The vulnerability manifests when the application processes specially crafted SPP files through an unsafe memory handling mechanism during parsing operations. The out-of-bounds write condition occurs when the software attempts to write data beyond the allocated buffer boundaries, potentially corrupting adjacent memory regions and creating opportunities for arbitrary code execution. This type of vulnerability falls under CWE-787: "Out-of-bounds Write" which is classified as a severe memory safety issue in the Common Weakness Enumeration catalog.
The technical implementation of this vulnerability involves the software's failure to properly validate input data from SPP files before processing. When an attacker crafts a malicious SPP file with malformed data structures, the parsing routine attempts to write beyond the intended buffer limits, potentially overwriting critical program memory including return addresses, function pointers, or other control data. This memory corruption can be exploited to redirect program execution flow and inject malicious code into the running process. The vulnerability is particularly concerning because it operates within the context of the current user process, meaning successful exploitation could lead to full system compromise depending on the privileges of the executing user.
The operational impact of this vulnerability extends across industrial automation environments where Tecnomatix Plant Simulation is deployed for manufacturing process modeling and simulation. Organizations using affected versions face potential risks including unauthorized access to production systems, data manipulation, and disruption of critical manufacturing operations. The vulnerability's remote exploitation capability means attackers could potentially compromise systems from outside the network perimeter, making it particularly dangerous for industrial control systems that may have limited network segmentation. This aligns with ATT&CK technique T1203: "Exploitation for Client Execution" and represents a significant threat to industrial cybersecurity frameworks.
Mitigation strategies should prioritize immediate patching of affected software versions to the latest releases containing the necessary memory safety fixes. Organizations should implement strict file validation controls and restrict SPP file imports from untrusted sources through network segmentation and access controls. Additionally, monitoring for unusual process behavior and implementing application whitelisting can help detect and prevent exploitation attempts. The vulnerability demonstrates the importance of secure coding practices and input validation in industrial software environments where memory safety issues can have severe operational consequences. Regular security assessments and vulnerability management programs should be implemented to address similar issues in legacy industrial control systems.