CVE-2018-7813 Memory corruption in Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0)

High 7.8 Published Updated

Remote code execution via type confusion in GUIcon when parsing GD1 files, affecting industrial control systems.

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-2018-7813?

CVE-2018-7813 is a high-severity memory corruption vulnerability in Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0), published on 6 Feb 2019. 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

A Type Confusion (CWE-843) vulnerability exists in Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0) on pcwin.dll which could cause remote code to be executed when parsing a GD1 file

Weakness: CWE-704

Which versions are affected by CVE-2018-7813?

It affects 1 product.

Products include Schneider-Electric Guicon.

How do I fix CVE-2018-7813?

No fix has been published for CVE-2018-7813 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-2018-7813 being exploited?

There is no known exploitation of CVE-2018-7813 in the wild and no public exploit code.

Sources

Also known as GHSA-wg5j-5hmx-g6c3.

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