Buffer overflow in Apple macOS
CVE-2020-13496
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 in TfToken Type Index. 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: 0.017 (74.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/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)
References
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-13496?
- CVE-2020-13496 is a medium-severity vulnerability in Apple macOS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2020-12-02.
- How severe is CVE-2020-13496?
- Medium severity. CVSS v3 base score is 6.5 out of 10.