CVE-2020-6156 Memory corruption in Pixar
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.
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.
Other vulnerabilities in Pixar
Sources
Also known as GHSA-wj4q-g69x-hrg9.