CVE-2020-6976 Memory corruption in Delta Industrial Automation CNCSoft ScreenEditor

Medium 5.5 Published 18 Mar 2020 Updated 4 Aug 2024

An attacker can cause memory corruption and potential code execution by tricking a user into opening a malicious file in Delta CNCSoft ScreenEditor.

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-2020-6976?

CVE-2020-6976 is a medium-severity memory corruption vulnerability in Delta Industrial Automation CNCSoft ScreenEditor, published on 18 Mar 2020. 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

Delta Industrial Automation CNCSoft ScreenEditor, v1.00.96 and prior. An out-of-bounds read overflow can be exploited when a valid user opens a specially crafted, malicious input file due to the lack of validation.

Weakness: CWE-125

Which versions are affected by CVE-2020-6976?

It affects 1 product.

Products include Deltaww Cncsoft Screeneditor.

How do I fix CVE-2020-6976?

No fix has been published for CVE-2020-6976 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-2020-6976 being exploited?

There is no known exploitation of CVE-2020-6976 in the wild and no public exploit code.

Sources

Also known as GHSA-c7pc-55cq-87p6.