CVE-2020-13494 Memory corruption in Pixar
Heap overflow in Pixar OpenUSD allows information disclosure and mitigation bypass via crafted files, requiring user interaction to open the file.
- 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-2020-13494?
CVE-2020-13494 is a medium-severity memory corruption vulnerability in Pixar, published on 2 Dec 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 the Pixar OpenUSD 20.05 parsing of compressed string tokens in binary USD files. A specially crafted malformed file can trigger a heap overflow which can result in out of bounds memory access which could lead to information disclosure. This vulnerability could be used to bypass mitigations and aid further exploitation. To trigger this vulnerability, victim needs to access an attacker-provided malformed file.
Which versions are affected by CVE-2020-13494?
It affects 1 product.
Products include Pixar Openusd.
How do I fix CVE-2020-13494?
No fix has been published for CVE-2020-13494 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-2020-13494 being exploited?
There is no known exploitation of CVE-2020-13494 in the wild and no public exploit code.
Other vulnerabilities in Pixar
Sources
Also known as GHSA-j3x9-vvcx-3wc5.