CVE-2018-14793 Memory corruption in DeltaV

High 8.8 Published 21 Aug 2018 Updated 16 Sep 2024

A buffer overflow in DeltaV allows arbitrary code execution via an open communication port, posing a critical risk to industrial control systems.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-14793?

CVE-2018-14793 is a high-severity memory corruption vulnerability in ICS-CERT DeltaV, published on 21 Aug 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

DeltaV Versions 11.3.1, 12.3.1, 13.3.0, 13.3.1, and R5 is vulnerable to a buffer overflow exploit through an open communication port to allow arbitrary code execution.

Weakness: CWE-119, CWE-121

Which versions are affected by CVE-2018-14793?

It affects 1 product.

Products include Emerson Deltav.

How do I fix CVE-2018-14793?

No fix has been published for CVE-2018-14793 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-2018-14793 being exploited?

There is no known exploitation of CVE-2018-14793 in the wild and no public exploit code.

Sources

Also known as GHSA-cwwh-9rwx-j74g.