CVE-2023-44087 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 applications contain an out of bounds read past the end of an allocated structure while parsing specially crafted SPP files. 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 patches, representing a critical out-of-bounds read condition that can be exploited to achieve remote code execution. The flaw occurs during the parsing of specially crafted SPP files, which are used for storing simulation data and configurations within the plant simulation environment. When the application processes these malformed files, it attempts to read memory beyond the boundaries of allocated data structures, creating a potential exploitation vector that could be leveraged by attackers to gain unauthorized code execution privileges.
The technical implementation of this vulnerability stems from insufficient input validation and memory management within the file parsing routines. Attackers can craft malicious SPP files that trigger the out-of-bounds read condition, potentially causing the application to access invalid memory locations and execute arbitrary code with the privileges of the currently running process. This type of vulnerability falls under the CWE-125 Out-of-Bounds Read classification, which is categorized under the broader weakness of improper input validation and memory safety issues. The vulnerability is particularly concerning because it allows for arbitrary code execution without requiring elevated privileges, making it a significant threat to industrial control systems and manufacturing environments where these simulation tools are deployed.
From an operational perspective, this vulnerability poses severe risks to organizations using Tecnomatix Plant Simulation in production environments, especially within critical infrastructure sectors such as automotive manufacturing, pharmaceutical production, and other industrial automation settings. The ability to execute code remotely through crafted SPP files means that attackers could potentially compromise entire manufacturing processes, disrupt production workflows, or gain access to sensitive operational data. The vulnerability affects multiple versions of the software, indicating a widespread exposure across different deployment scenarios, and the lack of authentication requirements for file processing makes exploitation more straightforward. According to ATT&CK framework, this vulnerability maps to T1059.007 Command and Scripting Interpreter and T1566.001 Phishing, as attackers could use this flaw to establish persistent access through malicious file delivery methods.
Organizations should immediately implement mitigations including applying the latest security patches provided by Siemens, which address the out-of-bounds read condition in the SPP file parser. Network segmentation should be implemented to limit access to systems running Tecnomatix Plant Simulation, particularly restricting the ability of external users to upload or modify SPP files. Additional protective measures include implementing strict file validation procedures, deploying intrusion detection systems to monitor for suspicious file processing activities, and conducting regular security assessments of industrial control systems. System administrators should also consider implementing application whitelisting policies to prevent unauthorized execution of potentially malicious files, while maintaining comprehensive audit trails to detect any anomalous behavior related to simulation file processing. The vulnerability represents a significant risk to industrial cybersecurity posture and requires immediate attention to prevent potential compromise of critical manufacturing operations.