high
7.5
Advisory Published
CVE Published
Updated

CVE-2023-42847

First published: Wed Oct 25 2023(Updated: )

A logic issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.1, iOS 17.1 and iPadOS 17.1. An attacker may be able to access passkeys without authentication.

Credit: an anonymous researcher product-security@apple.com Linus Henze Pinauten GmbHinooo Mickey Jin @patch1t Grzegorz Riegel Talal Haj Bakry Mysk IncTommy Mysk @mysk_co Mysk IncBistrit Dahal Mingxuan Yang @PPPF00L 360 Vulnerability Research Institutehappybabywu 360 Vulnerability Research InstituteGuang Gong 360 Vulnerability Research Institute 360 Vulnerability Research InstituteAdis Alic Yiğit Can YILMAZ @yilmazcanyigit Sam Lakmaker Kirin @Pwnrin SecuRingWojciech Regula SecuRing Computer ScienceCristian Dinca Computer ScienceRomania CVE-2023-42946 Ting Ding James Mancz Omar Shibli Lorenzo Cavallaro Harry Lewandowski 이준성(Junsung Lee) Cross Republic이준성(Junsung Lee) Pedro Ribeiro @pedrib1337 Agile Information SecurityVitor Pedreira @0xvhp_ Agile Information SecurityKacper Kwapisz @KKKas_ Abhay Kailasia @abhay_kailasia Lakshmi Narain College Of Technology Bhopal IndiaJZ Csaba Fitzl @theevilbit Offensive SecurityMichael (Biscuit) Thomas - @social.lol @biscuit Peter Nguyễn Vũ Hoàng @peternguyen14 STAR Labs SG PteAdam M. Zhipeng Huo @R3dF09 Tencent Security Xuanwu LabNoah Roskin-Frazee Pr Tomi Tokics @tomitokics iTomsn0wCVE-2023-42823

Affected SoftwareAffected VersionHow to fix
Apple macOS<14.1
14.1
Apple iOS and iPadOS<17.1
17.1
Apple iOS, iPadOS, and macOS<17.1
17.1
Apple iOS, iPadOS, and macOS>=17.0<17.1
iPhone OS>=17.0<17.1
macOS>=14.0<14.1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2023-42847?

    CVE-2023-42847 is a logic issue in passkeys that allows an attacker to access passkeys without authentication.

  • How does CVE-2023-42847 affect macOS Sonoma?

    CVE-2023-42847 affects macOS Sonoma version up to and excluding 14.1.

  • How does CVE-2023-42847 affect iOS?

    CVE-2023-42847 affects iOS version up to and excluding 17.1.

  • How does CVE-2023-42847 affect iPadOS?

    CVE-2023-42847 affects iPadOS version up to and excluding 17.1.

  • How can I fix CVE-2023-42847?

    To fix CVE-2023-42847, update your operating system to macOS Sonoma 14.1, iOS 17.1, or iPadOS 17.1.

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