CVE-2019-6539 Memory corruption in WECON LeviStudioU

High 7.8 Published 13 Feb 2019 Updated 16 Sep 2024

Heap-based buffer overflows in WECON LeviStudioU allow attackers to execute arbitrary code via crafted inputs.

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-2019-6539?

CVE-2019-6539 is a high-severity memory corruption vulnerability in ICS-CERT WECON LeviStudioU, published on 13 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

Several heap-based buffer overflow vulnerabilities in WECON LeviStudioU version 1.8.56 and prior have been identified, which may allow arbitrary code execution. Mat Powell, Ziad Badawi, and Natnael Samson working with Trend Micro's Zero Day Initiative, reported these vulnerabilities to NCCIC.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2019-6539?

It affects 1 product.

Products include We-Con Levistudiou.

How do I fix CVE-2019-6539?

No fix has been published for CVE-2019-6539 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-2019-6539 being exploited?

There is no known exploitation of CVE-2019-6539 in the wild and no public exploit code.

Sources

Also known as GHSA-3qfx-cxcm-pc2c.