CVE-2021-40165 : What You Need to Know

This article provides an overview of CVE-2021-40165, a vulnerability in Autodesk Image Processing components that may allow for the execution of arbitrary code.

Understanding CVE-2021-40165

CVE-2021-40165 is a vulnerability that arises from a maliciously crafted TIFF, PICT, TGA, or RLC file in Autodesk Image Processing components, potentially leading to buffer overflow and arbitrary code execution.

What is CVE-2021-40165?

The vulnerability in Autodesk Image Processing components can be exploited by specially crafted files to write beyond allocated buffers, allowing attackers to execute arbitrary code on affected systems.

The Impact of CVE-2021-40165

The exploitation of this vulnerability can result in unauthorized execution of arbitrary code, posing a significant security risk to systems utilizing the affected Autodesk products.

Technical Details of CVE-2021-40165

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows for buffer overflow while parsing TIFF, PICT, TGA, or RLC files, which can lead to the execution of arbitrary code, compromising system integrity.

Affected Systems and Versions

The following Autodesk products and versions are affected by CVE-2021-40165:

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

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious TIFF, PICT, TGA, or RLC files to trigger buffer overflows, enabling attackers to execute arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2021-40165 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Autodesk promptly.
Restrict access to the affected components and associated files.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Implement regular security training for employees on identifying suspicious files.
Enforce the principle of least privilege to limit access rights.
Keep software and security solutions up to date to prevent future vulnerabilities.

Patching and Updates

Regularly check for and install updates and patches released by Autodesk to address CVE-2021-40165 and enhance the security of the affected products.