Buffer overflow in Apple iOS and iPadOS - CVE-2021-30894
Published: October 27, 2021
Vulnerability identifier: #VU57749
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-2021-30894
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user can escalate privileges on the system.
The vulnerability exists due to a boundary error in the Image Processing engine. A malicious application can trigger memory corruption and execute arbitrary code with kernel privileges.
Affected software
Apple iOS
iPadOS
tvOS
iPadOS
tvOS
How to mitigate CVE-2021-30894
Install updates from vendor's website.
Apple iOS - update to 15.1 19B74
iPadOS - addressed in versions 15.1 19B74, 15.1 19B75
tvOS - update to 15.1 19J572
iPadOS - addressed in versions 15.1 19B74, 15.1 19B75
tvOS - update to 15.1 19J572