CVE-2023-42855: Medium severity apple ios and ipados vulnerability

Published Oct 25, 2023
·
Updated

Automation. The issue was addressed with improved checks.

Other sources

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

— Apple

Core Recents. The issue was resolved by sanitizing logging

— Apple

CoreAnimation. The issue was addressed with improved memory handling.

— Apple

FairPlay. The issue was addressed with improved bounds checks.

— Apple

Find My. A privacy issue was addressed with improved handling of files.

— Apple

Credit

Sam Lakmaker, an anonymous researcher, Linus Henze(Pinauten GmbH), inooo, Mickey Jin@@patch1t, Grzegorz Riegel, Talal Haj Bakry(Mysk Inc), Tommy Mysk@@mysk_co(Mysk Inc), Bistrit Dahal, Mingxuan Yang@@PPPF00L(360 Vulnerability Research Institute), happybabywu(360 Vulnerability Research Institute), Guang Gong(360 Vulnerability Research Institute), (360 Vulnerability Research Institute), Adis Alic, Yiğit Can YILMAZ@@yilmazcanyigit, Kirin@@Pwnrin(SecuRing), Wojciech Regula(SecuRing), (Computer Science), Cristian Dinca(Computer Science), Romania, CVE-2023-42946, Ting Ding, James Mancz, Omar Shibli, Lorenzo Cavallaro, Harry Lewandowski, 이준성(Junsung Lee)(Cross Republic), 이준성(Junsung Lee), Pedro Ribeiro@@pedrib1337(Agile Information Security), Vitor Pedreira@@0xvhp_(Agile Information Security), Kacper Kwapisz@@KKKas_, Abhay Kailasia@@abhay_kailasia(Lakshmi Narain College Of Technology Bhopal India), JZ, Csaba Fitzl@@theevilbit(Offensive Security), Michael (Biscuit) Thomas - @social.lol@@biscuit, Peter Nguyễn Vũ Hoàng@@peternguyen14(STAR Labs SG Pte), Adam M., Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Noah Roskin-Frazee, Pr, Tomi Tokics@@tomitokics(iTomsn0w), CVE-2023-42823

Affected Software

4 affected componentsFixes available
iPadOS<17.1
iPhone OS<17.1
Apple iOS and iPadOS<17.1
17.1
Apple iOS, iPadOS, and macOS<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
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.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2023-42855?

CVE-2023-42855 is considered a moderate vulnerability that allows an attacker with physical access to potentially persist an Apple ID on an erased device.

2

How do I fix CVE-2023-42855?

To fix CVE-2023-42855, update your device to iOS 17.1 or iPadOS 17.1.

3

Who is affected by CVE-2023-42855?

CVE-2023-42855 affects users of Apple devices running iOS and iPadOS versions prior to 17.1.

4

What does CVE-2023-42855 exploit?

CVE-2023-42855 exploits issues with state management in the Setup Assistant on Apple devices.

5

Is there a workaround for CVE-2023-42855?

There is no known workaround for CVE-2023-42855 aside from upgrading to the latest software version.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203