About the security content of iOS 16.7.3 and iPadOS 16.7.3

This document describes the security content of iOS 16.7.3 and iPadOS 16.7.3.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

iOS 16.7.3 and iPadOS 16.7.3

Accounts

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: An app may be able to access sensitive user data

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

CVE-2023-42919: Kirin (@Pwnrin)

Assets

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: An app may be able to modify protected parts of the file system

Description: An issue was addressed with improved handling of temporary files.

CVE-2023-42896: Mickey Jin (@patch1t)

AVEVideoEncoder

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: An app may be able to disclose kernel memory

Description: This issue was addressed with improved redaction of sensitive information.

CVE-2023-42884: an anonymous researcher

CallKit

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: A remote attacker may be able to cause a denial-of-service

Description: This issue was addressed with improved checks

CVE-2023-42962: Aymane Chabat

Find My

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: An app may be able to read sensitive location information

Description: This issue was addressed with improved redaction of sensitive information.

CVE-2023-42922: Wojciech Regula of SecuRing (wojciechregula.blog)

ImageIO

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: Processing an image may lead to arbitrary code execution

Description: The issue was addressed with improved memory handling.

CVE-2023-42899: Meysam Firouzi @R00tkitSMM and Junsung Lee

IOUSBDeviceFamily

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: An app may be able to execute arbitrary code with kernel privileges

Description: A race condition was addressed with improved state handling.

CVE-2023-42974: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.

Kernel

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: An app may be able to break out of its sandbox

Description: The issue was addressed with improved memory handling.

CVE-2023-42914: Eloi Benoist-Vanderbeken (@elvanderb) of Synacktiv (@Synacktiv)

Libsystem

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: An app may be able to access protected user data

Description: A permissions issue was addressed by removing vulnerable code and adding additional checks.

CVE-2023-42893

WebKit

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: Processing an image may lead to a denial-of-service

Description: The issue was addressed with improved memory handling.

CVE-2023-42883: Zoom Offensive Security Team

WebKit

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

Description: A memory corruption vulnerability was addressed with improved locking.

CVE-2023-42917: Clément Lecigne of Google's Threat Analysis Group

WebKit

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

Impact: Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2023-42916: Clément Lecigne of Google's Threat Analysis Group