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
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: 0.013 (70.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Apple macOS
- Pixar Openusd — versions 20.05
- Pixar — versions Pixar OpenUSD 20.05, Apple macOS Catalina 10.15.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talosintelligence.com/vulnerability_reports/TALOS-2020-1094 (Technical Description, Exploit, Third Party Advisory)
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.