CVE-2020-6327 in 3D Visual Enterprise Viewer
Summary
by MITRE
SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated 3DM file received from untrusted sources which results in crashing of the application and becoming temporarily unavailable until the user restarts the application, this is caused due to Improper Input Validation.
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Analysis
by VulDB Data Team • 09/09/2020
The vulnerability identified as CVE-2020-6327 affects SAP 3D Visual Enterprise Viewer version 9, representing a critical security flaw that stems from inadequate input validation mechanisms within the application's file processing capabilities. This weakness specifically manifests when the viewer encounters manipulated 3DM files from untrusted sources, creating a scenario where legitimate user operations become disrupted through intentional exploitation. The vulnerability falls under the broader category of improper input validation, a common software security weakness that enables attackers to manipulate application behavior through malformed or unexpected input data.
The technical exploitation of this vulnerability occurs through the manipulation of 3DM files, which are three-dimensional model files used for visualization purposes within the SAP 3D Visual Enterprise environment. When the viewer attempts to process these corrupted or specially crafted files, the application fails to properly validate the input structure and content, leading to a denial of service condition. The improper input validation allows malicious actors to inject malformed data that causes the application to crash, resulting in temporary unavailability of the system until manual user intervention through application restart is performed. This behavior aligns with CWE-20, which categorizes improper input validation as a fundamental weakness in software design that can lead to various security consequences including crashes, data corruption, and potential privilege escalation.
The operational impact of CVE-2020-6327 extends beyond simple application instability, as it creates a potential vector for more sophisticated attacks within enterprise environments where SAP 3D Visual Enterprise Viewer is deployed. Organizations utilizing this software may face disruptions in their visualization workflows, particularly in manufacturing, engineering, and design sectors where 3D model viewing is critical for product development processes. The vulnerability can be leveraged as an initial access point or as part of a broader attack chain, potentially enabling adversaries to establish persistent access or escalate privileges through subsequent exploitation attempts. From an attack perspective, this vulnerability maps to ATT&CK technique T1203, which involves exploiting application weaknesses to gain access to systems, and T1499, which covers network disruption through application or service interruption.
Mitigation strategies for this vulnerability should prioritize immediate patching of the SAP 3D Visual Enterprise Viewer to the latest available version that addresses the improper input validation flaw. Organizations should implement strict file validation policies that prevent untrusted 3DM files from being processed within the application environment, including network-level filtering and application whitelisting measures. Additionally, security awareness training should be conducted for personnel who may encounter 3DM files from external sources, emphasizing the risks associated with processing unverified visualization data. Network segmentation and access controls should be enforced to limit exposure of the vulnerable application to potentially malicious sources, while monitoring systems should be deployed to detect anomalous file processing activities that may indicate exploitation attempts. The vulnerability demonstrates the importance of robust input validation mechanisms in enterprise visualization software and highlights the necessity of continuous security assessment of third-party applications within organizational infrastructures.