CVE-2020-36428 Memory corruption in n/a

High 8.8 Published 20 Jul 2021 Updated 4 Aug 2024

A heap-based buffer overflow in matio allows attackers to execute arbitrary code or cause denial of service via crafted MAT files.

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: Available

What is CVE-2020-36428?

CVE-2020-36428 is a high-severity memory corruption vulnerability in n/a, published on 20 Jul 2021. 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

matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based buffer overflow in ReadInt32DataDouble (called from ReadInt32Data and Mat_VarRead4).

Weakness: CWE-787

Which versions are affected by CVE-2020-36428?

It affects 1 product.

Linux distribution packages (1)

matio openSUSE:Tumbleweed All versions 1.5.23-1.1

Products include Matio Project Matio.

How do I fix CVE-2020-36428?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-36428 being exploited?

There is no known exploitation of CVE-2020-36428 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2020-36428, GHSA-7vx7-pfcr-mqc8, UBUNTU-CVE-2020-36428, openSUSE-SU-2024:12079-1.