Input validation error in macOS - CVE-2021-30881
Published: October 27, 2021
Vulnerability identifier: #VU57714
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-2021-30881
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in FileProvider. A remote attacker trick the victim to open a specially crafted archive and execute arbitrary code on the system.
Affected software
macOS
watchOS
tvOS
Apple iOS
iPadOS
watchOS
tvOS
Apple iOS
iPadOS
How to mitigate CVE-2021-30881
Install updates from vendor's website.
macOS - addressed in versions 11.6.1 20G224, 10.15.7 19H1519, 12.0.1 21A559
watchOS - update to 8.1 19R570
tvOS - update to 15.1 19J572
Apple iOS - update to 15.1 19B74
iPadOS - addressed in versions 15.1 19B74, 15.1 19B75
watchOS - update to 8.1 19R570
tvOS - update to 15.1 19J572
Apple iOS - update to 15.1 19B74
iPadOS - addressed in versions 15.1 19B74, 15.1 19B75