CVE-2019-10961 Memory corruption in Advantech WebAccess HMI Designer

High 8.8 Published 2 Aug 2019 Updated 4 Aug 2024

Remote attackers can execute arbitrary code by tricking users into opening malicious MCR files in Advantech WebAccess HMI Designer.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-10961?

CVE-2019-10961 is a high-severity memory corruption vulnerability in Advantech WebAccess HMI Designer, published on 2 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In Advantech WebAccess HMI Designer Version 2.1.9.23 and prior, processing specially crafted MCR files lacking proper validation of user supplied data may cause the system to write outside the intended buffer area, allowing remote code execution.

Weakness: CWE-787

Which versions are affected by CVE-2019-10961?

It affects 1 product.

Products include Advantech Webaccess Hmi Designer.

How do I fix CVE-2019-10961?

No fix has been published for CVE-2019-10961 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-2019-10961 being exploited?

There is no known exploitation of CVE-2019-10961 in the wild and no public exploit code.

Sources

Also known as GHSA-v43m-3878-vr43.