About the security content of iOS 15.7.3 and iPadOS 15.7.3

This document describes the security content of iOS 15.7.3 and iPadOS 15.7.3.

About Apple security updates

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

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iOS 15.7.3 and iPadOS 15.7.3

Released January 23, 2023

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to leak sensitive kernel state

Description: The issue was addressed with improved memory handling.

CVE-2023-23500: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd. (@starlabs_sg)

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

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

Description: The issue was addressed with improved memory handling.

CVE-2023-23504: Adam Doupé of ASU SEFCOM

Mail Exchange

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: The quoted original message may be selected from the wrong email when forwarding an email from an Exchange account

Description: A logic issue was addressed with improved state management.

CVE-2023-23498: Jose Lizandro Luevano

Entry updated March 16, 2023

Maps

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to bypass Privacy preferences

Description: A logic issue was addressed with improved state management.

CVE-2023-23503: an anonymous researcher

Screen Time

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to access information about a user’s contacts

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

CVE-2023-23505: Wojciech Regula of SecuRing (wojciechregula.blog) and Csaba Fitzl (@theevilbit) of Offensive Security

Entry updated March 16, 2023

Additional recognition

Kernel

We would like to acknowledge Nick Stenning of Replicate for their assistance.

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Published Date: January 16, 2024