Vulnerability · Published Apr 18, 2022 · Assigned by talos

CVE-2020-13495

Medium 4.3

In plain English

A medium-severity memory corruption in macOS from Apple. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.0)4.3Medium

Exploit odds (30 days)0.7%top 46.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

An exploitable vulnerability exists in the way Pixar OpenUSD 20.05 handles file offsets in binary USD files. A specially crafted malformed file can trigger an arbitrary out-of-bounds memory access that could lead to the disclosure of sensitive information. This vulnerability could be used to bypass mitigations and aid additional exploitation. To trigger this vulnerability, the victim needs to access an attacker-provided file.

Affected products (as reported)

Vendor	Product	Versions
Apple	macOS	Catalina 10.15.3
Pixar	OpenUSD	20.05

Weakness: CWE-119 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1104 x_refsource_MISC