Main Vulnerability Database Vulnerabilities #VU58901

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

Published: December 14, 2021

Vulnerability identifier: #VU58901

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-2021-30991

CWE-ID: CWE-125

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.

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