CVE-2023-22277 Use after free in CX-Programmer

High 7.8 Published 3 Aug 2023 Updated 17 Oct 2024

An attacker can achieve arbitrary code execution or information disclosure by tricking a user into opening a malicious CXP file in OMRON CX-Programmer.

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-2023-22277?

CVE-2023-22277 is a high-severity use after free vulnerability in OMRON Corporation CX-Programmer, published on 3 Aug 2023. 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

Use after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted CXP file, information disclosure and/or arbitrary code execution may occur. This vulnerability is different from CVE-2023-22317 and CVE-2023-22314.

Weakness: CWE-416

Which versions are affected by CVE-2023-22277?

It affects 1 product.

Products include Omron Cx-Programmer.

How do I fix CVE-2023-22277?

No fix has been published for CVE-2023-22277 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-2023-22277 being exploited?

There is no known exploitation of CVE-2023-22277 in the wild and no public exploit code.

Sources

Also known as GHSA-fm74-cpjj-78g2.