CVE-2020-6156 Memory corruption in Pixar

High 8.8 Published Updated

Heap overflow in Pixar OpenUSD allows code execution or denial of service when parsing malformed binary USD 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
None listed

What is CVE-2020-6156?

CVE-2020-6156 is a high-severity memory corruption vulnerability in Pixar, published on 13 Nov 2020. 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

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2020-6156?

It affects 1 product.

Products include Pixar Openusd.

How do I fix CVE-2020-6156?

No fix has been published for CVE-2020-6156 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-2020-6156 being exploited?

There is no known exploitation of CVE-2020-6156 in the wild and no public exploit code.

Sources

Also known as GHSA-wj4q-g69x-hrg9.

Is CVE-2020-6156 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free