CVE-2022-4634 CVE-2022-4634

High 7.8 Published 2 Feb 2023 Updated 16 Jan 2025

A stack-based buffer overflow in Delta CNCSoft ScreenEditor allows remote attackers to execute arbitrary code.

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-2022-4634?

CVE-2022-4634 is a high-severity memory corruption vulnerability in Delta Industrial Automation CNCSoft, published on 2 Feb 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

All versions prior to Delta Electronic’s CNCSoft version 1.01.34 (running ScreenEditor versions 1.01.5 and prior) are vulnerable to a stack-based buffer overflow, which could allow an attacker to remotely execute arbitrary code.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2022-4634?

It affects 2 products.

Products include Deltaww Cncsoft, Deltaww Screeneditor.

How do I fix CVE-2022-4634?

No fix has been published for CVE-2022-4634 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-2022-4634 being exploited?

There is no known exploitation of CVE-2022-4634 in the wild and no public exploit code.

Sources

Also known as GHSA-pwhp-27h2-crqj.