Out-of-bounds write in Apple iOS and iPadOS - CVE-2021-30985

 

Out-of-bounds write in Apple iOS and iPadOS - CVE-2021-30985

Published: December 14, 2021


Vulnerability identifier: #VU58900
CSH Severity: Low
CVSS v4.0: 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-2021-30985
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
Apple iOS
iPadOS

Detailed vulnerability 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.


How to mitigate CVE-2021-30985

Install updates from vendor's website.

Sources