Buffer overflow in Apple macOS
CVE-2020-13520
An out of bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 reconstructs paths from binary USD files. A specially crafted malformed file can trigger an out of bounds memory modification which can result in remote code execution. To trigger this vulnerability, victim needs to access an attacker-provided malformed file.
Vulnerability class: Buffer Overflow
EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Apple Macos
- Pixar Openusd — versions 20.05
- N/a Pixar — versions Pixar OpenUSD 20.05 (tested in Apple macOS Catalina 10.15.3)
Weakness classification (CWE)
References
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
- talos-cna@cisco.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13520?
- CVE-2020-13520 is a high-severity vulnerability in Apple macOS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2020-12-11.
- How severe is CVE-2020-13520?
- High severity. CVSS v3 base score is 7.8 out of 10.