#VU58901 Out-of-bounds read in Apple iOS and iPadOS - CVE-2021-30991

 

#VU58901 Out-of-bounds read in Apple iOS and iPadOS - CVE-2021-30991

Published: December 14, 2021


Vulnerability identifier: #VU58901
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-30991
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Apple iOS
iPadOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error in IOMobileFrameBuffer. A local application can execute arbitrary code with kernel privileges.


Remediation

Install updates from vendor's website.

External links