CVE-2023-40488 Maxon Cinema 4D SKP File Parsing Use-After-Free Remote Code Execution Vulnerability

High 7.8 Published 3 May 2024 Updated 2 Aug 2024

Remote attackers can execute arbitrary code by tricking users into opening malicious SKP files in Maxon Cinema 4D.

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-2023-40488?

CVE-2023-40488 is a high-severity use after free vulnerability in Maxon Cinema 4D, published on 3 May 2024. 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

Maxon Cinema 4D SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Maxon Cinema 4D. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of SKP 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. Was ZDI-CAN-21436.

Weakness: CWE-416

Which versions are affected by CVE-2023-40488?

It affects 1 product.

Products include Nemetschek Cinema 4d.

How do I fix CVE-2023-40488?

No fix has been published for CVE-2023-40488 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-2023-40488 being exploited?

There is no known exploitation of CVE-2023-40488 in the wild and no public exploit code.

Sources

Also known as GHSA-jwg3-gmgc-pvh8.