Buffer overflow in Apple macOS
CVE-2020-13493
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. A specially crafted USDC file format path jumps decompression heap overflow in a way path jumps are processed. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file.
Vulnerability class: Buffer Overflow
EPSS: 0.013 (68.1th 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, Apple macOS Catalina 10.15.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-13493?
- CVE-2020-13493 is a high-severity vulnerability in Apple macOS, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2020-12-02.
- How severe is CVE-2020-13493?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-13493 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.