CVE-2022-41283 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 • 12/13/2022
The vulnerability identified as CVE-2022-41283 represents a critical out-of-bounds write flaw within the CGM_NIST_Loader.dll component of several Teamcenter Visualization products including JT2Go and various Teamcenter Visualization V13.x and V14.x versions. This issue arises during the parsing of Computer Graphics Metafile (CGM) files, which are commonly used for storing vector graphics and technical drawings in engineering and manufacturing environments. The affected software products are widely utilized in product lifecycle management and computer-aided design workflows where users frequently exchange graphical data between different systems.
The technical nature of this vulnerability stems from insufficient input validation within the CGM_NIST_Loader.dll library when processing malformed CGM files. When the parser encounters specially crafted or corrupted CGM data structures, it fails to properly bounds-check memory allocations, leading to an out-of-bounds write condition. This memory corruption occurs during the file parsing process where the application attempts to write data beyond the allocated memory buffer, potentially overwriting adjacent memory locations. The vulnerability is particularly dangerous because it allows for arbitrary code execution within the context of the currently running process, effectively providing attackers with the ability to escalate privileges and compromise the entire application session.
The operational impact of this vulnerability extends beyond simple code execution, as it can be leveraged for more sophisticated attacks within engineering and manufacturing environments. Attackers can craft malicious CGM files that, when opened by vulnerable applications, trigger the out-of-bounds write condition and subsequently execute malicious payloads. This presents significant risks in enterprise settings where these visualization tools are used to handle sensitive product data, design documents, and proprietary engineering information. The vulnerability is particularly concerning in supply chain contexts where CGM files may be exchanged between different organizations, as a single compromised file could potentially affect multiple systems. According to CWE classification, this vulnerability maps to CWE-787 Out-of-bounds Write, which is categorized under the broader category of input validation flaws. The ATT&CK framework would classify this as a code injection technique, specifically leveraging memory corruption vulnerabilities to achieve remote code execution.
Mitigation strategies for CVE-2022-41283 should prioritize immediate patching of all affected software versions to the latest releases that contain the necessary fixes. Organizations should implement strict file validation protocols for all CGM files received from external sources, including sandboxed analysis of suspicious files before opening them in production environments. Network segmentation and access controls should be enforced to limit the potential impact of successful exploitation attempts. Additionally, security monitoring should be enhanced to detect unusual file access patterns or process behaviors that might indicate exploitation attempts. System administrators should consider disabling automatic opening of CGM files in web browsers or email clients, as these environments may be more susceptible to exploitation. Regular security assessments of engineering and design environments should be conducted to identify other potential attack vectors that could be leveraged in conjunction with this vulnerability. The affected versions of Teamcenter Visualization require immediate attention, with patches available from Siemens PLM Software to address this specific out-of-bounds write condition and restore proper memory bounds checking during CGM file processing.