CVE-2022-42827: Apple iOS and iPadOS Out-of-Bounds Write Vulnerability

Published Oct 24, 2022
·
Updated

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Other sources

Apple iOS and iPadOS kernel contain an out-of-bounds write vulnerability which can allow an application to perform code execution with kernel privileges.

— CISA

Apple Neural Engine. The issue was addressed with improved memory handling.

— Apple

Apple TV. The issue was addressed with improved handling of caches.

— Apple

AppleMobileFileIntegrity. This issue was addressed by removing additional entitlements.

— Apple

Audio. The issue was addressed with improved memory handling.

— Apple

Credit

Csaba Fitzl@@theevilbit(Offensive Security), Jonathan Zhang(Open Computing Facility), Guilherme Rambo(Best Buddy Apps), Bistrit Dahal, Asahi Lina@@LinaAsahi, Willy R. Vasquez(The University of Texas at Austin), Peter Pan ZhenPeng(STAR Labs), Tingting Yin(Tsinghua University), Tommy Muir@@Muirey03, Tim Michaud@@TimGMichaud(Moveworks), Xinru Chi(Pangu Lab), John Aakerblom@@jaakerblom, Ian Beer(Google Project Zero), Zweig(Kunlun Lab), an anonymous researcher, Xingwei Lin@@xwlin_roy(Ant Security Light), Yinyi Wu(Ant Security Light), IES Red Team(ByteDance), Mir Masood Ali(Illinois at Chicago), PhD student(Illinois at Chicago), University(Illinois at Chicago), MS student(Illinois at Chicago), Stony Brook University; Mohammad Ghasemisharif(Illinois at Chicago), PhD Candidate(Illinois at Chicago), Associate Professor(Illinois at Chicago), Stony Brook University; Jason Polakis(Illinois at Chicago), Justin Bui@@slyd0g(Snowflake), Cristian Dinca(Tudor Vianu National High School of Computer Science of), Francisco Alonso@@revskills, Jihwan Kim@@gPayl0ad, Dohyun Lee@@l33d0hyun, Dohyun Lee@@l33d0hyun(SSD Labs), Abdulrahman Alqabandi(Microsoft Browser Vulnerability Research), Ryan Shin(IAAI SecLab at Korea University), Dohyun Lee@@l33d0hyun(DNSLab at Korea University), Yonghwi Jin at Theori@@jinmo123(Trend Micro Zero Day Initiative), Wonyoung Jung@@nonetype_pwn(KAIST Hacking Lab), Dr Hideaki Goto(Tohoku University), Japan, Evgeny Legerov, Mickey Jin@@patch1t, Anonymous(Trend Micro Zero Day Initiative), ABC Research s.r.o., Mohamed Ghannam@@_simo36

Affected Software

12 affected componentsFixes available
Apple iOS and iPadOS
Apple iOS<16.1
16.1
Apple iPadOS<16
16
Apple iOS<15.7.1
15.7.1
Apple iPadOS<15.7.1
15.7.1
Apple iPadOS<15.7.1
Apple iPhone OS<15.7.1
Apple iPhone OS>=16.0<16.1
Apple iPhone OS=16.0
Apple macOS<12.6.1
Apple tvOS<16.1
Apple WatchOS<9.1

Event History

Oct 25, 2022
CVE Published
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Nov 1, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected 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-2022-42827?

CVE-2022-42827 is an out-of-bounds write vulnerability in Apple iOS and iPadOS kernel.

2

What can an application do with CVE-2022-42827?

An application can perform code execution with kernel privileges using CVE-2022-42827.

3

Which software versions are affected by CVE-2022-42827?

Apple iOS versions up to, but not including, 16.1 and Apple iPadOS versions up to, but not including, 16 are affected by CVE-2022-42827.

4

How can I fix CVE-2022-42827?

Update your Apple iOS to version 16.1 or later, or update your Apple iPadOS to version 16 or later.

Company

Resources

Contact

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CVE-2022-42827 - Apple iOS and iPadOS Out-of-Bounds Write Vulnerability - SecAlerts