CVE-2020-6360 in 3D Visual Enterprise Viewer
Summary
by MITRE
SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated DIB 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
SAP 3D Visual Enterprise Viewer version 9 contains a critical vulnerability classified as CVE-2020-6360 that stems from improper input validation mechanisms when processing DIB (Device Independent Bitmap) file formats. This vulnerability represents a classic example of a buffer overflow condition that occurs when the application fails to properly validate the structure and content of incoming DIB files from untrusted sources. The flaw exists within the file parsing logic where the viewer does not adequately sanitize or verify the integrity of bitmap data before attempting to render or process it, creating an exploitable condition that can be leveraged by malicious actors to disrupt service availability.
The technical implementation of this vulnerability demonstrates a failure in input validation controls that aligns with CWE-20, which specifically addresses improper input validation as a fundamental weakness in software security. When a maliciously crafted DIB file is processed by the viewer application, the insufficient validation causes the software to attempt operations on malformed data structures that exceed expected memory boundaries or violate internal data integrity constraints. This results in an application crash that terminates the viewer process and renders the software temporarily unavailable to legitimate users until manual intervention through application restart is performed. The vulnerability essentially creates a denial of service condition that can be triggered remotely through the simple act of opening a specially crafted file.
The operational impact of CVE-2020-6360 extends beyond simple application instability as it represents a significant threat to business continuity and productivity within organizations that rely on SAP 3D Visual Enterprise Viewer for their visualization workflows. Attackers can exploit this vulnerability by delivering malicious DIB files through various attack vectors including email attachments, web downloads, or file sharing platforms, making it particularly dangerous in enterprise environments where users may unknowingly open compromised files. The vulnerability also aligns with ATT&CK technique T1203, which involves exploiting software vulnerabilities to gain unauthorized access or disrupt system operations, and specifically demonstrates how improper input validation can be leveraged to create persistent availability issues that impact user productivity and operational efficiency.
Organizations should implement immediate mitigations including restricting user access to untrusted file sources, deploying network-based controls to filter potentially malicious file types, and applying the vendor-provided patches or updates that address the input validation deficiencies in the SAP 3D Visual Enterprise Viewer. Security teams should also consider implementing application whitelisting policies that restrict execution of the viewer application to trusted environments and establish monitoring procedures to detect unusual file processing activities that may indicate exploitation attempts. The vulnerability underscores the critical importance of proper input validation in preventing exploitation of file parsing components and highlights the need for comprehensive security testing of visualization and rendering libraries that handle external data formats.