CVE-2022-42867: Use After Free

Published Dec 13, 2022
·
Updated

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 16.2 and iPadOS 16.2, watchOS 9.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Other sources

Accessibility. A logic issue was addressed with improved restrictions.

— Apple

Accounts. This issue was addressed with improved data protection.

— Apple

AMD. A memory corruption issue was addressed with improved input validation.

— Apple

AMD. An out-of-bounds write issue was addressed with improved input validation.

— Apple

AppleAVD. An out-of-bounds write issue was addressed with improved input validation.

— Apple

Credit

Mickey Jin@@patch1t, Tommy Muir@@Muirey03, John Aakerblom@@jaakerblom, Antonio Zekic@@antoniozekic, Weijia Dai@@dwj1210(Momo Security), Ian Beer(Google Project Zero), Felix Poulin-Belanger, pattern-f@@pattern_F_(Ant Security Light), Adam Doupé(ASU SEFCOM), Apple, Adam M., CVE-2022-46716, Mickey Jin@@patch1t(Offensive Security), Csaba Fitzl@@theevilbit(Offensive Security), Jiwon Park, Mieszko Wawrzyniak, an anonymous researcher, Ivan Fratric(Google Project Zero), CVE-2022-24836, CVE-2022-29181, KirtiKumar Anandrao Ramchandani, Michael (Biscuit) Thomas, Wojciech Reguła@@_r3ggi(SecuRing), @@real_as3617, Hyeon Park@@tree_segment(Team ApplePIE), Maddie Stone(Google Project Zero), ChengGang Wu(Institute of Computing Technology), Yan Kang(Institute of Computing Technology), YuHao Hu(Institute of Computing Technology), Yue Sun(Institute of Computing Technology), Jiming Wang(Institute of Computing Technology), (Institute of Computing Technology), JiKai Ren(Institute of Computing Technology), Hang Shu(Institute of Computing Technology), Chinese Academy(Sciences), KirtiKumar Anandrao Ramchandani (kirtikumarar.com), hazbinhotel(Trend Micro Zero Day Initiative), Samuel Groß(Google V8 Security), Dohyun Lee@@l33d0hyun(DNSLab at Korea University), Ryan Shin(IAAI SecLab at Korea University), Clément Lecigne(Google's Threat Analysis Group), Thijs Alkemade@@xnyhps(Computest Sector 7), CVE-2022-35252, Linus Henze(Pinauten GmbH), Yonghwi Jin@@jinmo123(Theori), John Balestrieri(Tinrocket), Mickey Jin@@patch1t(Trend Micro), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), ABC Research s.r.o., ABC Research s.r.o, Ned Williamson(Google Project Zero), Nathan Wachholz(Google Project Zero), Dohyun Lee@@l33d0hyun(SSD Secure Disclosure Labs), Korea Univ., Andrey Labunets, Nikita Tarakanov, Zitong Wu(吴梓桐)(Zhuhai No), Xia0o0o0o(W4terDr0p), Sun Yat-sen University, Willy R. Vasquez(The University of Texas at Austin)

Affected Software

13 affected componentsFixes available
Apple tvOS<16.2
16.2
Apple WatchOS<9.2
9.2
Apple macOS Ventura<13.1
13.1
Apple Safari<16.2
16.2
Apple iOS<16.2
16.2
Apple iPadOS<16.2
16.2
Apple Safari<16.2
Apple iPadOS<16.2
Apple iPhone OS<16.2
Apple macOS<13.1
Apple tvOS<16.2
Apple WatchOS<9.2
redhat/WebKitGTK<2.38.3
2.38.3

Event History

Dec 15, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Dec 30, 2022
Data Sourced
via Red Hat·05:22 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2022-42867?

CVE-2022-42867 is a vulnerability in WebKit that could lead to a use after free issue due to improper memory management.

2

What software is affected by CVE-2022-42867?

Apple iOS 16.2, Apple iPadOS 16.2, Apple macOS Ventura 13.1, Apple tvOS 16.2, Apple watchOS 9.2, and Apple Safari 16.2 are affected by CVE-2022-42867.

3

How can this vulnerability be exploited?

The vulnerability can be exploited by an attacker to perform arbitrary code execution or crash the application.

4

What is the severity of CVE-2022-42867?

The severity of CVE-2022-42867 is high.

5

How can I fix CVE-2022-42867?

Apply the necessary updates provided by Apple to the affected software versions.

Company

Resources

Contact

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