CVE-2022-41284 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 read 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-2022-41284 represents a critical out-of-bounds read flaw within the CGM_NIST_Loader.dll component of several Teamcenter Visualization and JT2Go software versions. This vulnerability exists in the parsing logic for Computer Graphics Metafile (CGM) files, which are commonly used for storing and exchanging vector graphics in engineering and design applications. The affected software versions span multiple major releases including Teamcenter Visualization V13.2 through V14.1, as well as all versions of JT2Go, making this a widespread issue across Siemens' visualization platforms. The flaw manifests when the CGM_NIST_Loader.dll processes malformed CGM files, specifically those containing crafted data structures that trigger memory access violations beyond allocated buffer boundaries.
The technical nature of this vulnerability falls under CWE-125, which specifically addresses out-of-bounds read conditions in software systems. This type of flaw occurs when a program attempts to read data from memory locations beyond the bounds of a designated buffer, potentially exposing sensitive information or allowing attackers to manipulate program execution flow. In the context of this vulnerability, the out-of-bounds read in the CGM file parser creates a condition where an attacker can craft a malicious CGM file that, when opened by the vulnerable software, triggers memory access violations that can be exploited for code execution. The vulnerability is particularly concerning because it allows for arbitrary code execution within the context of the current process, meaning that successful exploitation could result in complete system compromise without requiring additional privileges or user interaction beyond opening the malicious file.
From an operational impact perspective, this vulnerability presents significant risks to organizations utilizing Siemens Teamcenter Visualization and JT2Go platforms, which are extensively deployed in engineering design, product visualization, and collaborative design environments. The attack vector is relatively straightforward as it requires only the delivery of a malicious CGM file to a victim's system, which could occur through email attachments, shared network drives, or web downloads. The vulnerability's exploitation potential aligns with ATT&CK technique T1203, which covers exploitation for execution through the manipulation of memory and process control. Organizations using these visualization platforms may experience unauthorized access to sensitive design data, potential system compromise, and disruption of engineering workflows. The widespread nature of affected versions means that many enterprises with legacy systems could be exposed, particularly those that have not yet applied the necessary security patches.
Mitigation strategies for CVE-2022-41284 should prioritize immediate patch application from Siemens, as the vendor has released updates addressing this specific vulnerability in the affected software versions. Organizations should also implement network-based controls to restrict access to potentially malicious file types and consider implementing file validation mechanisms that can detect and quarantine suspicious CGM files before they reach end-user systems. Security teams should monitor for indicators of compromise related to this vulnerability and consider implementing sandboxing techniques for processing untrusted visualization files. Additionally, user awareness training should emphasize the importance of not opening untrusted CGM files, particularly those received through email or downloaded from untrusted sources. The vulnerability highlights the importance of maintaining up-to-date security patches for specialized engineering software and demonstrates how visualization tools can serve as attack vectors in targeted campaigns against industrial organizations. Organizations should also consider implementing network segmentation to limit the potential impact of successful exploitation and ensure that vulnerable systems are isolated from critical network resources.