#VU57217 Integer overflow in Apple iOS and iPadOS - CVE-2021-30883
Published: October 12, 2021 / Updated: October 27, 2021
Vulnerability identifier: #VU57217
Vulnerability risk: High
CVSSv4.0: 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/E:A/U:Amber
CVE-ID: CVE-2021-30883
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a malicious application to escalate privileges on the system.
The vulnerability exists due to a boundary error within the IOMobileFrameBuffer subsystem. A malicious application can trigger integer overflow and execute arbitrary code on with kernel privileges.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install updates from vendor's website.