Buffer overflow in Apple macOS
CVE-2020-13494
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.
Vulnerability class: Buffer Overflow
EPSS: 0.012 (64.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Apple Macos
- Pixar Openusd — versions 20.05
- N/a Pixar — versions Pixar OpenUSD 20.05, Apple macOS Catalina 10.15.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-13494?
- CVE-2020-13494 is a medium-severity vulnerability in Apple macOS, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2020-12-02.
- How severe is CVE-2020-13494?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-13494 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.