CVE-2021-30979 Information

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1 iOS 15.2 and iPadOS 15.2 macOS Big Sur 11.6.2 Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://support.apple.com/en-us/HT212978 https://support.apple.com/en-us/HT212979 https://support.apple.com/en-us/HT212976 https://support.apple.com/en-us/HT212981 https://www.zerodayinitiative.com/advisories/ZDI-22-358/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8