Exploited
high
8.8
CWE
843 20 190 362 416
Advisory Published
CVE Published
CVE Published
Updated

CVE-2022-42856: Apple iOS Type Confusion Vulnerability

First published: Wed Nov 30 2022(Updated: )

A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1..

Credit: Mickey Jin @patch1t Tommy Muir @Muirey03 John Aakerblom @jaakerblom Antonio Zekic @antoniozekic Weijia Dai @dwj1210 Momo SecurityIan Beer Google Project ZeroFelix Poulin-Belanger pattern-f @pattern_F_ Ant Security LightAdam Doupé ASU SEFCOMApple Adam M. CVE-2022-46716 Mickey Jin @patch1t Offensive SecurityCsaba Fitzl @theevilbit Offensive SecurityJiwon Park Mieszko Wawrzyniak an anonymous researcher Ivan Fratric Google Project ZeroCVE-2022-24836 CVE-2022-29181 KirtiKumar Anandrao Ramchandani Michael (Biscuit) Thomas Wojciech Reguła @_r3ggi SecuRing @real_as3617 Hyeon Park @tree_segment Team ApplePIEMaddie Stone Google Project ZeroChengGang Wu Institute of Computing TechnologyYan Kang Institute of Computing TechnologyYuHao Hu Institute of Computing TechnologyYue Sun Institute of Computing TechnologyJiming Wang Institute of Computing Technology Institute of Computing TechnologyJiKai Ren Institute of Computing TechnologyHang Shu Institute of Computing TechnologyChinese Academy SciencesKirtiKumar Anandrao Ramchandani (kirtikumarar.com) hazbinhotel Trend Micro Zero Day InitiativeSamuel Groß Google V8 SecurityDohyun Lee @l33d0hyun DNSLab at Korea UniversityRyan Shin IAAI SecLab at Korea UniversityClément Lecigne Google's Threat Analysis GroupThijs Alkemade @xnyhps Computest Sector 7CVE-2022-35252 Linus Henze Pinauten GmbHYonghwi Jin @jinmo123 TheoriJohn Balestrieri TinrocketMickey Jin @patch1t Trend MicroPan ZhenPeng @Peterpan0927 STAR Labs SG PteABC Research s.r.o. ABC Research s.r.o Ned Williamson Google Project ZeroNathan Wachholz Google Project ZeroDohyun Lee @l33d0hyun SSD Secure Disclosure LabsKorea Univ. Andrey Labunets Nikita Tarakanov Xia0o0o0o W4terDr0pSun Yat-sen University Willy R. Vasquez The University of Texas at AustinZitong Wu(吴梓桐) Zhuhai No product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS<13.1
13.1
tvOS<16.2
16.2
Apple Mobile Safari<16.2
16.2
Apple Mobile Safari<16.2
Apple iOS, iPadOS, and watchOS<15.7.2
iOS<15.7.2
iOS>=16.0<16.1.2
Apple iOS and macOS<13.1
tvOS<16.2
Apple iOS, iPadOS, and watchOS<16.2
16.2
Apple iOS, iPadOS, and watchOS<16.2
16.2
Apple iOS, iPadOS, and watchOS<16.1.2
16.1.2
Apple iOS, iPadOS, and watchOS<15.7.2
15.7.2
Apple iOS, iPadOS, and watchOS<15.7.2
15.7.2
Apple iOS, iPadOS, and watchOS

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2022-42856?

    CVE-2022-42856 is a type confusion vulnerability in Apple iOS that allows for code execution when processing malicious web content.

  • Which software products are affected by CVE-2022-42856?

    CVE-2022-42856 affects Apple iOS, Apple iPadOS, Apple macOS Ventura, Apple tvOS, and Apple Safari.

  • What versions of Apple iOS are affected by CVE-2022-42856?

    CVE-2022-42856 affects Apple iOS versions up to and excluding 16.2, 16.1.2, and 15.7.2.

  • How can I fix CVE-2022-42856?

    To fix CVE-2022-42856, update your Apple iOS to version 16.2 or newer.

  • Where can I find more information about CVE-2022-42856?

    You can find more information about CVE-2022-42856 on Apple's support page: [insert link]

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