CVE-2021-40166 Explained : Impact and Mitigation

This CVE record discusses a vulnerability in Autodesk Image Processing component that could allow attackers to execute arbitrary code by exploiting a maliciously crafted PNG file.

Understanding CVE-2021-40166

This section provides insights into the vulnerability identified as CVE-2021-40166.

What is CVE-2021-40166?

The CVE-2021-40166 vulnerability revolves around a maliciously crafted PNG file in Autodesk Image Processing component that may lead to the execution of arbitrary code by attackers.

The Impact of CVE-2021-40166

The vulnerability could potentially enable attackers to execute arbitrary code by attempting to free objects that have already been freed during parsing PNG files.

Technical Details of CVE-2021-40166

This section delves into the technical aspects of the CVE-2021-40166 vulnerability.

Vulnerability Description

The vulnerability involves a Use-After-Free issue in the Autodesk Image Processing component, which could be exploited by attackers to execute malicious code.

Affected Systems and Versions

The following Autodesk products and versions are affected:

Revit
Inventor
Infraworks
Navisworks
Fusion
Infrastructure Parts Editors
Autodesk Advanced Steel
Civil 3D
AutoCAD series (including LT, Architecture, Electrical, Map 3D, Mechanical, MEP, Plant 3D)

Exploitation Mechanism

Attackers can exploit this vulnerability using a maliciously crafted PNG file to attempt to free objects already freed during parsing, potentially leading to arbitrary code execution.

Mitigation and Prevention

Explore the mitigation strategies and preventive measures for CVE-2021-40166.

Immediate Steps to Take

Update the affected Autodesk products to the latest versions available.
Exercise caution while handling PNG files from untrusted sources.

Long-Term Security Practices

Implement secure coding practices to prevent Use-After-Free vulnerabilities.
Regularly monitor and update security patches for Autodesk products.

Patching and Updates

Ensure timely application of security patches and updates provided by Autodesk to address the CVE-2021-40166 vulnerability.