CVE-2023-42843: Use After Free

Published Oct 25, 2023
·
Updated

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in iOS 16.7.2 and iPadOS 16.7.2, iOS 17.1 and iPadOS 17.1, Safari 17.1, macOS Sonoma 14.1. Visiting a malicious website may lead to address bar spoofing.

Other sources

Automation. The issue was addressed with improved checks.

— Apple

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

Credit

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

Affected Software

21 affected componentsFixes available
ubuntu/webkit2gtk<2.44.0-0ubuntu0.22.04.1
2.44.0-0ubuntu0.22.04.1
ubuntu/webkit2gtk<2.44.0-0ubuntu0.23.10.1
2.44.0-0ubuntu0.23.10.1
ubuntu/webkit2gtk<2.44.0
2.44.0
debian/webkit2gtk<=2.36.4-1~deb10u1, <=2.38.6-0+deb10u1, <=2.42.2-1~deb11u1, <=2.42.2-1~deb12u1
2.44.1-1~deb11u12.44.1-1~deb12u12.44.1-1
debian/wpewebkit<=2.38.6-1~deb11u1, <=2.38.6-1
2.44.1-1
redhat/WebKitGTK<2.44.0
2.44.0
Apple macOS Sonoma<14.1
14.1
Apple Safari<17.1
17.1
Apple Safari<17.1
Apple Ipad Os<16.7.2
Apple Ipad Os>=17.0<17.1
Apple iPhone OS<16.7.2
Apple iPhone OS>=17.0<17.1
Apple macOS=14.0
Fedoraproject Fedora=40
WebKitGTK WebKitGTK<2.44.0
wpewebkit WPE WebKit<2.44.0
Apple iOS<17.1
17.1
Apple iPadOS<17.1
17.1
Apple iOS<16.7.2
16.7.2
Apple iPadOS<16.7.2
16.7.2

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
Feb 21, 2024
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·06:41 AM
Data Sourced
via MITRE·06:41 AM
DescriptionWeakness
Data Sourced
via NVD·07:15 AM
Description
Mar 27, 2024
Data Sourced
via Red Hat·03:23 AM
DescriptionSeverityAffected Software
Apr 15, 2024
Data Sourced
via Launchpad·05:59 PM
Description

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-2023-42843?

CVE-2023-42843 has been categorized as a medium severity vulnerability.

2

How do I fix CVE-2023-42843?

To fix CVE-2023-42843, update your device to iOS 16.7.2, iPadOS 16.7.2, iOS 17.1, iPadOS 17.1, Safari 17.1, or macOS Sonoma 14.1.

3

What systems are affected by CVE-2023-42843?

CVE-2023-42843 affects Apple Safari, iOS, iPadOS, and macOS versions prior to the specified updates.

4

What type of vulnerability is CVE-2023-42843?

CVE-2023-42843 is an inconsistent user interface issue that may lead to address bar spoofing.

5

Is there a known exploit for CVE-2023-42843?

There are no known public exploits specifically for CVE-2023-42843, but users are advised to apply the updates to mitigate risks.

Company

Resources

Contact

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