CVE-2021-42070 : What You Need to Know

SAP SE's SAP 3D Visual Enterprise Viewer version 9.0 is prone to crashing when opening manipulated Jupiter Tessellation files received from untrusted sources, affecting user accessibility.

Understanding CVE-2021-42070

When a user interacts with specific files in the SAP 3D Visual Enterprise Viewer, it crashes, leading to a temporary unavailability until the application is restarted.

What is CVE-2021-42070?

The vulnerability arises when the application fails to handle manipulated Jupiter Tessellation files securely, causing a crash and temporary unavailability.

The Impact of CVE-2021-42070

The vulnerability results in a denial of service as the application crashes, disrupting user workflow until the application is restarted.

Technical Details of CVE-2021-42070

This section outlines technical aspects of the vulnerability.

Vulnerability Description

Improper input validation in SAP 3D Visual Enterprise Viewer version 9.0 when opening manipulated Jupiter Tessellation (.jt) files from untrusted sources.

Affected Systems and Versions

Product: SAP 3D Visual Enterprise Viewer
Vendor: SAP SE
Versions Affected: < 9.0

Exploitation Mechanism

Users opening manipulated .jt files from untrusted sources trigger the vulnerability, causing the application to crash.

Mitigation and Prevention

Actions to address and prevent the exploitation of CVE-2021-42070.

Immediate Steps to Take

Refrain from opening .jt files from untrusted sources.
Apply the latest security patches provided by SAP to fix the vulnerability.

Long-Term Security Practices

Educate users on safe file handling practices.
Implement robust input validation mechanisms to prevent similar exploits.

Patching and Updates

Ensure the SAP 3D Visual Enterprise Viewer is updated to a version higher than 9.0 to patch the vulnerability.