CVE-2022-45484 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 V13.3 (All versions >= V13.3.0.8), Teamcenter Visualization V14.0 (All versions < V14.0.0.4), Teamcenter Visualization V14.0 (All versions >= V14.0.0.4), Teamcenter Visualization V14.1 (All versions < V14.1.0.6). The CCITT_G4Decode.dll contains an out of bounds read vulnerability when parsing a RAS file. An attacker can leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-19056)
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Analysis
by VulDB Data Team • 12/13/2022
The vulnerability identified as CVE-2022-45484 represents a critical out-of-bounds read flaw within the CCITT_G4Decode.dll component of multiple Teamcenter Visualization and JT2Go software versions. This issue manifests when processing RAS files through the CCITT G4 decoding functionality, creating a pathway for remote code execution attacks. The vulnerability affects a broad range of Siemens software products including Teamcenter Visualization V13.2, V13.3, V14.0, and V14.1, as well as JT2Go across all affected versions. The flaw specifically resides in how the software handles memory access during RAS file parsing operations, where insufficient bounds checking allows attackers to manipulate memory access patterns beyond allocated buffers.
The technical implementation of this vulnerability falls under CWE-129, which describes improper validation of array indices or buffer bounds, and aligns with ATT&CK technique T1059.007 for remote code execution through software exploitation. The out-of-bounds read occurs when the CCITT_G4Decode.dll processes malformed RAS files, causing the application to access memory locations outside the intended buffer boundaries. This memory corruption can be exploited to overwrite critical program execution data or redirect code execution flow, ultimately enabling arbitrary code execution within the context of the currently running process. Attackers can leverage this vulnerability by crafting malicious RAS files that trigger the flawed decoding logic, potentially leading to complete system compromise.
The operational impact of this vulnerability extends across enterprise environments that utilize Siemens Teamcenter Visualization products for 3D data processing and collaboration. Organizations using these software platforms face significant risk as the vulnerability can be exploited remotely through file upload mechanisms or by tricking users into opening malicious RAS files. The affected software components are commonly used in engineering, manufacturing, and product design workflows where 3D model sharing and visualization are critical operations. Successful exploitation could result in unauthorized access to sensitive product data, disruption of engineering processes, and potential lateral movement within network environments. The vulnerability's presence in multiple version streams indicates a widespread exposure across the software lifecycle, affecting both older and newer releases that have not yet received the appropriate security patches.
Organizations should immediately implement mitigation strategies including applying the vendor-provided patches for all affected versions of Teamcenter Visualization and JT2Go software. Security teams should also deploy network segmentation controls to limit access to affected systems and implement file validation mechanisms for RAS file processing. The vulnerability's classification as a remote code execution flaw necessitates immediate remediation efforts, as it does not require user interaction to exploit. Additionally, organizations should consider implementing runtime application protection measures and monitoring for suspicious file processing activities. The ZDI-CAN-19056 identifier indicates this vulnerability was reported through the Zero Day Initiative, highlighting its significance in the cybersecurity community and the need for rapid response. Regular security assessments should be conducted to identify other potential vulnerabilities in similar decoding libraries and ensure comprehensive protection of industrial control systems and design environments.