CVE-2021-43582 Use after free in n/a

High 7.8 Published 22 Nov 2021 Updated 4 Aug 2024

A use-after-free vulnerability in the Open Design Alliance Drawings SDK allows remote attackers to execute arbitrary code via a malicious DWG file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-43582?

CVE-2021-43582 is a high-severity use after free vulnerability in n/a, published on 22 Nov 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A Use-After-Free Remote Vulnerability exists when reading a DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DWG files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Weakness: CWE-416

Which versions are affected by CVE-2021-43582?

It affects 1 product.

Products include Opendesign Drawings Sdk.

How do I fix CVE-2021-43582?

No fix has been published for CVE-2021-43582 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-43582 being exploited?

There is no known exploitation of CVE-2021-43582 in the wild and no public exploit code.

Sources

Also known as GHSA-jp4m-c5ww-hj89.