Vulnerability · Published Dec 2, 2020 · Assigned by talos

CVE-2020-13496

Medium 4.3

In plain English

A medium-severity memory corruption in Pixar. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.0)4.3Medium

Exploit odds (30 days)1.7%top 22.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	Pixar	Pixar OpenUSD 20.05, Apple macOS Catalina 10.15.3

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-2020-1105 x_refsource_MISC