CVE-2023-38747 Memory corruption in CX-Programmer

High 7.8 Published 3 Aug 2023 Updated 21 Oct 2024

Heap-based buffer overflow in OMRON CX-Programmer allows arbitrary code execution and information disclosure via a crafted CXP 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-2023-38747?

CVE-2023-38747 is a high-severity memory corruption 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

Heap-based buffer overflow vulnerability exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier. By having a user open a specially crafted CXP file, information disclosure and/or arbitrary code execution may occur.

Weakness: CWE-787

Which versions are affected by CVE-2023-38747?

It affects 1 product.

Products include Omron Cx-Programmer.

How do I fix CVE-2023-38747?

No fix has been published for CVE-2023-38747 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-38747 being exploited?

There is no known exploitation of CVE-2023-38747 in the wild and no public exploit code.

Sources

Also known as GHSA-2x4q-vchp-x653.