CVE-2022-32243 in 3D Visual Enterprise Viewer
Summary
by MITRE • 06/15/2022
When a user opens manipulated Scalable Vector Graphics (.svg, svg.x3d) files received from untrusted sources in SAP 3D Visual Enterprise Viewer, the application crashes and becomes temporarily unavailable to the user until restart of the application.
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Analysis
by VulDB Data Team • 06/15/2022
The vulnerability identified as CVE-2022-32243 represents a critical stability issue within SAP 3D Visual Enterprise Viewer that stems from improper handling of maliciously crafted Scalable Vector Graphics files. This flaw manifests when users inadvertently open specially crafted .svg or svg.x3d files from untrusted sources, leading to application instability and temporary service disruption. The vulnerability specifically targets the viewer's file parsing mechanism, which fails to adequately validate input data from vector graphics formats that support embedded scripting and complex rendering operations. This weakness creates an environment where malicious actors can exploit the application's lack of robust input sanitization to induce denial of service conditions.
The technical nature of this vulnerability aligns with CWE-129, which describes improper validation of input boundaries, and CWE-248, which addresses exposure of a resource to the wrong sphere. The flaw occurs during the SVG file processing phase where the application attempts to parse and render vector graphics that contain malformed or maliciously constructed elements. When encountering such crafted content, the viewer's rendering engine fails to properly handle the malformed data structures, resulting in memory corruption or resource exhaustion that ultimately causes the application to crash. The vulnerability demonstrates characteristics consistent with a buffer over-read or improper memory management issue that can be triggered through vector graphics file manipulation.
From an operational impact perspective, this vulnerability creates significant disruption in enterprise environments where SAP 3D Visual Enterprise Viewer is extensively used for product visualization, technical documentation, and collaborative design review processes. The temporary unavailability of the application until manual restart can severely impact productivity and workflow continuity, particularly in manufacturing and engineering departments that rely heavily on 3D visualization tools. The vulnerability's exploitation requires user interaction through opening malicious files, making it a social engineering target that could be amplified through phishing campaigns or compromised collaboration platforms. This makes the vulnerability particularly dangerous in enterprise environments where users may not be adequately trained to identify potentially malicious file attachments or where automated file delivery systems could inadvertently introduce malicious content.
The recommended mitigation strategies for CVE-2022-32243 should include immediate application updates from SAP to address the underlying parsing vulnerability, implementation of strict file validation policies that prevent automatic opening of untrusted vector graphics files, and enhanced user awareness training to recognize suspicious file attachments. Organizations should also consider implementing network-level controls that filter or quarantine suspicious file types, particularly in environments where users have broad access to potentially malicious content. The ATT&CK framework's T1204.002 technique of "Phishing: Spearphishing Attachment" could be leveraged to understand how this vulnerability might be exploited in targeted attacks, while T1499.004 covers "Endpoint Denial of Service: File and Directory Deletion" as a potential operational impact. Security teams should also implement monitoring for unusual application crash patterns and file access logs that could indicate exploitation attempts, ensuring that the vulnerability does not serve as a vector for more sophisticated attacks that could compromise broader system integrity.