CVE-2024-21918 Rockwell Automation Arena Simulation Vulnerable To Memory Corruption

High 7.8 Published 26 Mar 2024 Updated 6 Aug 2024

Attackers can execute arbitrary code by tricking users into opening malicious files, compromising system confidentiality, integrity, and availability.

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-2024-21918?

CVE-2024-21918 is a high-severity use after free vulnerability in Rockwell Automation Arena Simulation, published on 26 Mar 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

A memory buffer vulnerability in Rockwell Automation Arena Simulation software could potentially allow a malicious user to insert unauthorized code to the software by corrupting the memory and triggering an access violation. Once inside, the threat actor can run harmful code on the system. This affects the confidentiality, integrity, and availability of the product. To trigger this, the user would unwittingly need to open a malicious file shared by the threat actor.

Weakness: CWE-416

Which versions are affected by CVE-2024-21918?

It affects 1 product.

Products include Rockwellautomation Arena.

How do I fix CVE-2024-21918?

No fix has been published for CVE-2024-21918 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-2024-21918 being exploited?

There is no known exploitation of CVE-2024-21918 in the wild and no public exploit code.

Sources

Also known as GHSA-9c85-2fpf-3529.