Out-of-bounds Read in Apple macOS
CVE-2020-13498
An exploitable vulnerability exists in the way Pixar OpenUSD 20.05 handles parses certain encoded types. A specially crafted malformed file can trigger an arbitrary 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, the victim needs to access an attacker-provided malformed file.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (54.7th 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 — versions Catalina 10.15.3
- Pixar Openusd — versions 20.05
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13498?
- CVE-2020-13498 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-12-02.
- How severe is CVE-2020-13498?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-13498 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.