CVE-2021-43983 WECON LeviStudioU

High 7.8 Published 13 Dec 2021 Updated 17 Sep 2024

An attacker can execute arbitrary code by tricking a user into opening a malicious project file in WECON LeviStudioU.

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-2021-43983?

CVE-2021-43983 is a high-severity memory corruption vulnerability in WECON LeviStudioU, published on 13 Dec 2021. 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

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary code.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2021-43983?

It affects 1 product.

Products include We-Con Levistudiou.

How do I fix CVE-2021-43983?

No fix has been published for CVE-2021-43983 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-2021-43983 being exploited?

There is no known exploitation of CVE-2021-43983 in the wild and no public exploit code.

Sources

Also known as GHSA-6f9g-vc76-v447.