CVE-2023-39434: Use After Free

Published Sep 18, 2023
·
Updated

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.

Other sources

Accessibility. This issue was addressed with improved redaction of sensitive information.

Apple

Airport. A permissions issue was addressed with improved redaction of sensitive information.

Apple

AMD. A buffer overflow issue was addressed with improved memory handling.

Apple

AMD. The issue was addressed with improved memory handling.

Apple

App Store. The issue was addressed with improved handling of protocols.

Apple

Credit

Csaba Fitzl@@theevilbit(Offensive Security), zer0k, Adam M., Noah Roskin-Frazee, Professor Jason Lau (ZeroClicks.ai Lab), Will Brattain at Trail(Bits), 이준성(Junsung Lee)(Cross Republic), Kirin@@Pwnrin(NorthSea), Mickey Jin@@patch1t, Certik Skyfall Team, Linus Henze(Pinauten GmbH), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Michael (Biscuit) Thomas, 张师傅(@京东蓝军), Sei K., Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Dohyun Lee@@l33d0hyun(PK Security), Adam M.(SecuRing), (SecuRing), Wojciech Regula(SecuRing), Adam M.(BreakPoint Security Research), (BreakPoint Security Research), Ron Masas(BreakPoint Security Research), serkan Gurbuz, Kirin@@Pwnrin, Adriatik Raci(Sentry Cybersecurity), Narendra Bhati (twitter.com/imnarendrabhati)(Suma Soft Pvt), Pune (India), Yiğit Can YILMAZ@@yilmazcanyigit, Arsenii Kostromin (0x3c3e), James Hutchins, Arsenii Kostromin (0x3c3e)(Offensive Security), Joshua Jewett@@JoshJewett33(Offensive Security), (Offensive Security), Francisco Alonso@@revskills(PK Security), (PK Security), Francisco Alonso@@revskills, Jie Ding@@Lime(HKUS3 Lab), Dong Jun Kim@@smlijun(AbyssLab), Jong Seong Kim@@nevul37(AbyssLab), zhunki, 이준성(Junsung Lee), Mohamed GHANNAM@@_simo36, Tim Michaud@@TimGMichaud(Moveworks), Antonio Zekic@@antoniozekic(Dataflow Security), w0wbox, Ye Zhang@@VAR10CK(Baidu Security), Wojciech Reguła@@_r3ggi, Chris Ross (Zoom), Liang Wei(PixiePoint Security), Zhice Yang (ShanghaiTech University), Ron Masas(Imperva), Mikko Kenttälä )@@Turmio_(SensorFu), Certik Skyfall Team(Ant Security Light), pattern-f@@pattern_F_(Ant Security Light), Zweig(Kunlun Lab), Félix Poulin-Bélanger, Joseph Ravichandran@@0xjprx(MIT CSAIL), Gergely Kalman@@gergely_kalman, weize she, an anonymous researcher, Berke Kırbaş, Harsh Jaiswal, Tomi Tokics@@tomitokics(iTomsn0w), Kenneth Chew, Abhay Kailasia@@abhay_kailasia(Lakshmi Narain College Of Technology Bhopal), Brian McNulty(Offensive Security), Claire Houston, Anonymous, Wang Yu(Cyberserval), Murray Mike, (Ant Security Light), Ferdous Saljooki@@malwarezoo(Jamf Software), Meng Zhang (鲸落)(NorthSea), Brian McNulty(Texts), (Texts), Kishan Bagaria(Texts), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), baba yaga, Serkan Erayabakan(George Mason University), David Kotval(George Mason University), Akincibor(George Mason University), Sina Ahmadi(George Mason University), Billy Tabrizi, Kirin@@Pwnrin(SecuRing), Luan Herrera@@lbherrera_, Noah Roskin-Frazee (ZeroClicks.ai Lab), James Duffy (mangoSecure), Ron Masas(BreakPoint), Thijs Alkemade@@xnyhps(Computest Sector 7), Andrew Haggard, Bill Marczak(The Citizen Lab at The University of Toronto's Munk School), Maddie Stone(Google's Threat Analysis Group), (AbyssLab), An anonymous researcher(MacEnhance), Jeremy Legendre(MacEnhance), Felix Kratz, Koh M. Nakagawa@@tsunek0h, Noah Roskin-Frazee(Offensive Security), Pr(Offensive Security), Yishu Wang, Cristian Dinca(Computer Science), Romania, JeongOhKyea(Theori), Halle Winkler, Politepix@@hallewinkler, ABC Research s.r.o.

Affected Software

10 affected componentsFixes available
Apple macOS Sonoma<14
14
Apple WatchOS<10
10
Apple iOS<17
17
Apple iPadOS<17
17
Apple iPadOS<17.0
Apple iPhone OS<17.0
Apple macOS<14.0
Apple WatchOS<10.0
Apple Safari<17
17
Apple tvOS<17
17

Event History

Sep 18, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Updated
via Apple·12:00 AM
Affected Software
Sep 26, 2023
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·08:14 PM
Data Sourced
via MITRE·08:14 PM
DescriptionWeakness
Sep 29, 2023
Data Sourced
via Red Hat·05:56 PM
DescriptionSeverityAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2023-39434?

CVE-2023-39434 is a use-after-free vulnerability in WebKit.

2

How does CVE-2023-39434 impact Apple iOS?

CVE-2023-39434 affects Apple iOS versions up to but excluding version 17.

3

How does CVE-2023-39434 impact Apple iPadOS?

CVE-2023-39434 affects Apple iPadOS versions up to but excluding version 17.

4

How does CVE-2023-39434 impact Apple watchOS?

CVE-2023-39434 affects Apple watchOS versions up to but excluding version 10.

5

How does CVE-2023-39434 impact Apple macOS Sonoma?

CVE-2023-39434 affects Apple macOS Sonoma versions up to but excluding version 14.

6

What is the Common Weakness Enumeration (CWE) ID for CVE-2023-39434?

The Common Weakness Enumeration (CWE) ID for CVE-2023-39434 is CWE-416.

7

How can I fix CVE-2023-39434?

To fix CVE-2023-39434, update your Apple device's operating system to a version that is not affected.

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