Zero-day vulnerability in Apple iOS

Type Confusion

Vulnerability details

Advisory: SB2023021339 - Multiple vulnerabilities in Apple iOS 16 and iPadOS 16

Vulnerable component: Apple iOS

CVE-ID: CVE-2023-23529

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error when parsing web content in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.

Note, the vulnerability is being actively exploited in the wild.

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