Input validation error in macOS - CVE-2021-30903
Published: October 27, 2021 / Updated: February 16, 2022
Vulnerability identifier: #VU57732
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30903
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Continuity Camera component. A local user can pass specially crafted input to the application and escalate privileges on the system.
Affected software
macOS
iPadOS
Apple iOS
iPadOS
Apple iOS
How to mitigate CVE-2021-30903
Install updates from vendor's website.
macOS - addressed in versions 12.0.1 21A559, 10.15.7 19H1519, 11.6.1 20G224
iPadOS - addressed in versions 14.8.1 18H107, 15.1 19B74, 15.1 19B75
Apple iOS - addressed in versions 14.8.1 18H107, 15.1 19B74
iPadOS - addressed in versions 14.8.1 18H107, 15.1 19B74, 15.1 19B75
Apple iOS - addressed in versions 14.8.1 18H107, 15.1 19B74