CVE-2023-42834: Use After Free

Published Oct 25, 2023
·
Updated

A privacy issue was addressed with improved handling of files. This issue is fixed in watchOS 10.1, macOS Sonoma 14.1, macOS Monterey 12.7.2, macOS Ventura 13.6.3, iOS 17.1 and iPadOS 17.1. An app may be able to access sensitive user data.

Other sources

Accounts. A privacy issue was addressed with improved private data redaction for log entries.

— Apple

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

— Apple

Archive Utility. A logic issue was addressed with improved checks.

— Apple

Assets. An issue was addressed with improved handling of temporary files.

— Apple

Automation. The issue was addressed with improved checks.

— Apple

Credit

Csaba Fitzl@@theevilbit(Offensive Security), Koh M. Nakagawa@@tsunek0h, Yann GASCUEL(Alter Solutions), Jewel Lambert, Anthony Cruz Tyrant Corp@@App, Wojciech Regula(SecuRing), Meysam Firouzi@@R00tkitSMM, Junsung Lee, an anonymous researcher, Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Eloi Benoist-Vanderbeken@@elvanderb(Synacktiv), CVE-2023-42893, CVE-2023-3618, CVE-2020-19185, CVE-2020-19186, CVE-2020-19187, CVE-2020-19188, CVE-2020-19189, CVE-2020-19190, Yiğit Can YILMAZ@@yilmazcanyigit(Offensive Security), (Offensive Security), Yiğit Can YILMAZ@@yilmazcanyigit, Csaba Fitzl@@theevilbit(OffSec), Arsenii Kostromin (0x3c3e), Zhongquan Li@@Guluisacat, Zhongquan Li@@Guluisacat(Dawn Security Lab of JingDong), CVE-2023-5344, Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Mickey Jin@@patch1t, Kirin@@Pwnrin, Noah Roskin-Frazee, Pr, Adam M., Michael (Biscuit) Thomas - @social.lol@@biscuit, JZ, Linus Henze(Pinauten GmbH), Grzegorz Riegel, Talal Haj Bakry(Mysk Inc), Tommy Mysk@@mysk_co(Mysk Inc), Kirin@@Pwnrin(SecuRing), (Computer Science), Cristian Dinca(Computer Science), Romania, Bistrit Dahal, CVE-2023-42946, 이준성(Junsung Lee)(Cross Republic), 이준성(Junsung Lee), Pedro Ribeiro@@pedrib1337(Agile Information Security), Vitor Pedreira@@0xvhp_(Agile Information Security), CVE-2023-42823, inooo, Mingxuan Yang@@PPPF00L(360 Vulnerability Research Institute), happybabywu(360 Vulnerability Research Institute), Guang Gong(360 Vulnerability Research Institute), (360 Vulnerability Research Institute), Adis Alic, Sam Lakmaker, Ting Ding, James Mancz, Omar Shibli, Lorenzo Cavallaro, Harry Lewandowski, Kacper Kwapisz@@KKKas_, Abhay Kailasia@@abhay_kailasia(Lakshmi Narain College Of Technology Bhopal India), Peter Nguyễn Vũ Hoàng@@peternguyen14(STAR Labs SG Pte), Tomi Tokics@@tomitokics(iTomsn0w)

Affected Software

12 affected componentsFixes available
Apple macOS Sonoma<14.1
14.1
Apple WatchOS<10.1
10.1
Apple macOS Monterey<12.7.2
12.7.2
Apple macOS Ventura<13.6.3
13.6.3
Apple Ipad Os<17.1
Apple iPhone OS<17.1
Apple macOS>=12.0<12.7.2
Apple macOS>=13.0<13.6.3
Apple macOS=14.0
Apple WatchOS<10.1
Apple iOS<17.1
17.1
Apple iPadOS<17.1
17.1

Event History

Oct 25, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Dec 11, 2023
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Feb 21, 2024
CVE Published
via MITRE·06:41 AM
Data Sourced
via MITRE·06:41 AM
DescriptionWeakness
Data Sourced
via NVD·07:15 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 the severity of CVE-2023-42834?

The severity of CVE-2023-42834 is classified as a privacy issue potentially allowing unauthorized access to sensitive user data.

2

How do I fix CVE-2023-42834?

To fix CVE-2023-42834, update your device to the latest versions of iOS 17.1, iPadOS 17.1, macOS Monterey 12.7.2, macOS Ventura 13.6.3, macOS Sonoma 14.1, or watchOS 10.1.

3

What products are affected by CVE-2023-42834?

CVE-2023-42834 affects iOS, iPadOS, macOS Monterey, macOS Ventura, macOS Sonoma, and watchOS versions prior to the specified updates.

4

What improvements were made in the fix for CVE-2023-42834?

The fix for CVE-2023-42834 includes improved handling of files to enhance user privacy and data security.

5

Is there a known exploitation for CVE-2023-42834?

As of now, there are no reports of active exploitation of CVE-2023-42834.

Company

Resources

Contact

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