CVE-2023-24994 in Tecnomatix Plant Simulation
Summary
by MITRE • 02/14/2023
A vulnerability has been identified in Tecnomatix Plant Simulation (All versions < V2201.0006). 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. (ZDI-CAN-19816)
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Analysis
by VulDB Data Team • 03/12/2023
The vulnerability CVE-2023-24994 affects Tecnomatix Plant Simulation software versions prior to V2201.0006, representing a critical security flaw that could enable remote code execution. This issue stems from improper input validation during the parsing of SPP files, which are used for storing simulation data and configurations within the plant simulation environment. The vulnerability resides in the application's handling of malformed input files that could be exploited by attackers to gain unauthorized access to the system. The affected software is widely used in industrial automation and manufacturing environments, making this vulnerability particularly concerning for organizations relying on these simulation tools for production planning and process optimization.
The technical flaw manifests as an out-of-bounds write condition that occurs when the application processes a specially crafted SPP file. This buffer overflow vulnerability arises from insufficient bounds checking during the parsing routine, allowing an attacker to write data beyond the allocated memory buffer boundaries. When a malicious SPP file is loaded, the application fails to properly validate the input structure, leading to memory corruption that can be leveraged to execute arbitrary code within the context of the currently running process. The vulnerability is classified as a buffer overflow under CWE-121, specifically involving heap-based buffer overflows that can lead to code execution. This type of vulnerability is particularly dangerous because it can be triggered through legitimate file processing operations, making it difficult to detect and prevent through traditional network monitoring.
The operational impact of this vulnerability extends beyond simple code execution, as it could compromise the integrity of industrial simulation environments that are critical to manufacturing processes. Attackers could potentially use this vulnerability to install backdoors, modify simulation parameters, or disrupt production planning activities that depend on accurate simulation data. The vulnerability affects organizations using Tecnomatix Plant Simulation in various industrial sectors including automotive, aerospace, and general manufacturing where process optimization and production planning rely heavily on simulation software. The attack surface is particularly wide since SPP files can be shared between users or embedded in legitimate workflows, making it difficult for organizations to prevent exploitation through simple file access controls.
Mitigation strategies for CVE-2023-24994 should prioritize immediate software updates to version V2201.0006 or later, which contain patches addressing the buffer overflow vulnerability. Organizations should implement strict file validation procedures for SPP files, including content scanning and access controls to prevent unauthorized file uploads or modifications. Network segmentation and least privilege access models should be enforced to limit the potential impact of successful exploitation. The vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as exploitation could enable attackers to execute malicious code through the compromised application. Additionally, organizations should conduct regular security assessments of their industrial control systems and maintain updated threat intelligence feeds to monitor for related exploitation attempts. System administrators should also implement application whitelisting policies to restrict execution of untrusted SPP files and establish monitoring procedures for unusual file access patterns that could indicate exploitation attempts.