CVE-2018-6639 Memory corruption in n/a

Critical 9.8 Published 28 Feb 2018 Updated 5 Aug 2024

An out-of-bounds write in MathType allows remote code execution via a crafted file, requiring users to upgrade to the patched version.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-6639?

CVE-2018-6639 is a critical memory corruption vulnerability in n/a, published on 28 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An out-of-bounds write (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. A size used by memmove is read from the input file. This is fixed in 6.9d.

Weakness: CWE-787

Which versions are affected by CVE-2018-6639?

It affects 1 product.

Products include Wiris Mathtype.

How do I fix CVE-2018-6639?

No fix has been published for CVE-2018-6639 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-2018-6639 being exploited?

There is no known exploitation of CVE-2018-6639 in the wild and no public exploit code.

Sources

Also known as GHSA-9wgj-6vhq-v8f5.