Buffer overflow in Pixar Openusd

CVE-2020-6155

A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 while parsing compressed value rep arrays in binary USD files. A specially crafted malformed file can trigger a heap overflow, which can result in remote code execution. To trigger this vulnerability, the victim needs to access an attacker-provided malformed file.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-6155: held from 0.027 to 0.027.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

  • Pixar Openusd — versions 20.05
  • Pixar — versions Pixar OpenUSD 20.05, Apple macOS Catalina 10.15.3

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-6155?
CVE-2020-6155 is a high-severity vulnerability in Pixar Openusd, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2020-11-13.
How severe is CVE-2020-6155?
High severity. CVSS v3 base score is 7.8 out of 10.