Vulnerability · Published Nov 13, 2020 · Assigned by talos

CVE-2020-6156

High 8.8

In plain English

A high-severity heap buffer overflow in Pixar. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High

Exploit odds (30 days)1.3%top 28.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	Pixar	Pixar OpenUSD 20.05 , Apple macOS Catalina 10.15.3

Weakness: CWE-122 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1094 x_refsource_MISC