Zero-Day Advisory

Fortinet Discovers Autodesk AutoCAD Products Arbitrary Address Write Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered an arbitrary address write vulnerability in Autodesk AutoCAD products.


Autodesk is a multinational software corporation that makes software products and services for the architecture, engineering, construction, manufacturing, media, education and entertainment industries. AutoCAD is a commercial computer-aided design (CAD) and drafting software application.


An arbitrary address write vulnerability has been discovered in Autodesk AutoCAD products by FortiGuard Labs. The vulnerability is caused by a crafted DWG file which causes an arbitrary address write. It could allow malicious users to write in unexpected paths.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Autodesk.DWG.TrueView.CVE-2021-27043.Arbitrary.Address.Write
Released Jun 22, 2021

Users should apply the solution provided by Autodesk.

Timeline

Fortinet reported the vulnerability to Autodesk on November 16, 2020.

Autodesk confirmed the vulnerability on November 16, 2020.

Autodesk patched the vulnerability on June 17, 2021.

Acknowledgement

This vulnerability was discovered by Yonghui Han of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.