CVE-2022-32240 in 3D Visual Enterprise Viewer
Summary
by MITRE • 06/15/2022
When a user opens manipulated Jupiter Tesselation (.jt, JTReader.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-2022-32240 represents a critical heap-based buffer overflow condition within SAP 3D Visual Enterprise Viewer version 2.0 and earlier. This flaw manifests when the application processes maliciously crafted Jupiter Tesselation (.jt) files or JTReader.x3d files that contain malformed data structures. The vulnerability stems from insufficient input validation and bounds checking mechanisms within the file parsing routines that handle these specific 3D file formats. The issue occurs during the parsing phase when the application attempts to read and interpret the geometric data structures contained within the .jt files without proper sanitization of the input data.
The technical exploitation of this vulnerability results in a denial of service condition that fundamentally disrupts the application's operational integrity. When a user opens a specially crafted malicious file, the application's memory management routines encounter malformed data that triggers an unexpected memory access pattern. This leads to a heap corruption scenario where the application's memory heap becomes compromised, causing the process to crash and terminate unexpectedly. The crash occurs at the point where the application attempts to allocate memory for rendering the 3D content, specifically when processing the geometric primitives and vertex data contained within the manipulated file. The vulnerability is classified as a heap-based buffer overflow under CWE-122, which represents an improper restriction of operations within the bounds of a memory buffer. The specific memory corruption pattern indicates that the application fails to properly validate the size parameters of arrays and buffers used during the file parsing process, leading to unauthorized memory access and subsequent application termination.
The operational impact of this vulnerability extends beyond simple application disruption to encompass potential business continuity issues and user productivity losses. Organizations that rely heavily on SAP 3D Visual Enterprise Viewer for product visualization, engineering collaboration, or manufacturing processes face significant operational risks when this vulnerability is exploited. The temporary unavailability of the application forces users to restart the software, which can result in loss of unsaved work and disruption of ongoing design or review sessions. The vulnerability is particularly concerning in enterprise environments where multiple users may simultaneously access the same 3D visualization resources, potentially leading to cascading service disruptions. From an attacker's perspective, this vulnerability represents a low-effort method for causing service disruption, as it requires only the delivery of a malicious file to the target system. The attack vector aligns with ATT&CK technique T1499.004 for network denial of service and T1203 for exploitation for privilege escalation, though the immediate impact is limited to denial of service rather than privilege escalation.
Mitigation strategies for CVE-2022-32240 should prioritize immediate software updates from SAP to address the root cause of the buffer overflow vulnerability. Organizations must ensure that all instances of SAP 3D Visual Enterprise Viewer are updated to version 2.1 or later, which contains the necessary patches to validate input data properly and prevent heap corruption during file processing. Network segmentation and access controls should be implemented to restrict the ability of untrusted users to deliver malicious files to systems running the vulnerable software. File validation procedures should be established to scan incoming 3D files for known malicious patterns or suspicious structures before allowing them to be opened within the viewer application. The implementation of sandboxing techniques or virtualization of the 3D viewer environment can provide additional protection layers by isolating the vulnerable application from critical system resources. Security monitoring should be enhanced to detect unusual patterns of application crashes or restarts that may indicate exploitation attempts. Regular security awareness training for users should emphasize the importance of not opening files from untrusted sources, particularly those containing 3D visualization data. Organizations should also consider implementing automated patch management processes to ensure rapid deployment of security updates across all affected systems. The vulnerability serves as a reminder of the critical importance of input validation in applications that process external data formats, particularly those involving complex binary data structures like 3D modeling files that require extensive parsing and memory management operations.