CVE-2022-41286 in JT2Go
Summary
by MITRE • 12/13/2022
A vulnerability has been identified in JT2Go (All versions), Teamcenter Visualization V13.2 (All versions < V13.2.0.12), Teamcenter Visualization V13.3 (All versions < V13.3.0.8), Teamcenter Visualization V14.0 (All versions < V14.0.0.4), Teamcenter Visualization V14.1 (All versions < V14.1.0.6). The CGM_NIST_Loader.dll contains an out of bounds write vulnerability when parsing a CGM file. An attacker can leverage this vulnerability to execute code in the context of the current process.
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Analysis
by VulDB Data Team • 01/08/2023
The vulnerability identified as CVE-2022-41286 represents a critical out of bounds write flaw within the CGM_NIST_Loader.dll component of several Siemens Teamcenter Visualization products and JT2Go software versions. This vulnerability stems from inadequate input validation when processing Computer Graphics Metafile (CGM) files, which are commonly used for storing vector graphics and technical drawings in engineering and manufacturing environments. The flaw manifests specifically during the parsing of malformed CGM files, where the loader fails to properly bounds-check memory allocations, leading to potential memory corruption that can be exploited by malicious actors.
The technical nature of this vulnerability places it under CWE-787, which describes out-of-bounds write conditions that occur when a program writes data past the end of a buffer or array. This particular implementation flaw exists within the CGM file parsing logic where the application does not adequately validate the size or structure of incoming CGM data before attempting to write to memory locations. The vulnerability is particularly concerning because it allows for arbitrary code execution within the context of the currently running process, meaning that successful exploitation could result in complete system compromise. Attackers could craft specially malformed CGM files that, when opened by an affected application, trigger the out of bounds write condition and subsequently execute malicious code with the privileges of the compromised process.
The operational impact of this vulnerability extends significantly across industrial and engineering environments where Siemens Teamcenter Visualization products are deployed. These applications are widely used in manufacturing, product design, and engineering visualization workflows where users frequently exchange technical drawings and graphics files. The vulnerability creates a persistent risk for organizations as it can be exploited through social engineering attacks where users unknowingly open malicious CGM files, or through automated exploitation in environments where file attachments are processed automatically. The affected versions span multiple major releases including V13.2, V13.3, V14.0, and V14.1, indicating a broad attack surface that impacts various industrial software ecosystems. The vulnerability's exploitation capability aligns with ATT&CK technique T1059.007, which covers command and scripting interpreter usage, as successful exploitation would likely involve executing shellcode or other malicious payloads within the application context.
Organizations affected by this vulnerability should prioritize immediate remediation through official software updates provided by Siemens, specifically targeting the patched versions mentioned in the advisories. The mitigation strategy should include network segmentation to limit exposure of affected systems, implementation of file validation policies for CGM files, and user education to avoid opening untrusted graphics files. Security teams should also consider implementing network monitoring to detect potential exploitation attempts and establish incident response procedures for handling potential compromises. The vulnerability demonstrates the critical importance of input validation in industrial control systems and highlights the need for robust security practices in engineering software environments where the attack surface often includes legacy systems that may not receive regular security updates.