CVE-2021-45948 Memory corruption in n/a

Medium 5.5 Published 31 Dec 2021 Updated 4 Aug 2024

A heap-based buffer overflow in the M3D loader allows attackers to execute arbitrary code or cause denial of service via crafted files.

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: Available

What is CVE-2021-45948?

CVE-2021-45948 is a medium-severity memory corruption vulnerability in n/a, published on 31 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

Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and Assimp::M3DWrapper::M3DWrapper).

Weakness: CWE-787

Which versions are affected by CVE-2021-45948?

It affects 1 product.

Products include Assimp Assimp.

How do I fix CVE-2021-45948?

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-2021-45948 being exploited?

There is no known exploitation of CVE-2021-45948 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-45948, GHSA-7jv6-5f7h-7g3g.