Buffer overflow in macOS - CVE-2021-30979
Published: December 14, 2021 / Updated: February 16, 2022
Vulnerability identifier: #VU58873
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30979
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing USD or ABC files within the Model I/O subsystem. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
iPadOS
Apple iOS
iPadOS
Apple iOS
How to mitigate CVE-2021-30979
Install updates from vendor's website.
macOS - addressed in versions 12.1 21C52, 10.15.7 19H1615, 11.6.2 20G314
iPadOS - update to 15.2 19C56
Apple iOS - addressed in versions 15.2 19C56, 15.2 19C57
iPadOS - update to 15.2 19C56
Apple iOS - addressed in versions 15.2 19C56, 15.2 19C57