About the security content of iOS 15.7.6 and iPadOS 15.7.6

This document describes the security content of iOS 15.7.6 and iPadOS 15.7.6.

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iOS 15.7.6 and iPadOS 15.7.6

Released May 18, 2023

Accessibility

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

CVE-2023-32388: Kirin (@Pwnrin)

Apple Neural Engine

Available for devices with Apple Neural Engine: iPhone 8 and later, iPad Pro (3rd generation) and later, iPad Air (3rd generation) and later, and iPad mini (5th generation)

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

Description: This issue was addressed with improved checks.

CVE-2023-23532: Mohamed Ghannam (@_simo36)

Apple Neural Engine

Available for devices with Apple Neural Engine: iPhone 8 and later, iPad Pro (3rd generation) and later, iPad Air (3rd generation) and later, and iPad mini (5th generation)

Impact: An app may be able to gain elevated privileges

Description: The issue was addressed with improved memory handling.

CVE-2023-32425: Mohamed Ghannam (@_simo36)

Entry added December 21, 2023

CoreCapture

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-2023-28181: Tingting Yin of Tsinghua University

ImageIO

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: Processing an image may lead to arbitrary code execution

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2023-32384: Meysam Firouzi @R00tkitsmm working with Trend Micro Zero Day Initiative

IOSurface

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

CVE-2023-32410: hou xuewei (@p1ay8y3ar) vmk msu

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: A sandboxed app may be able to observe system-wide network connections

Description: The issue was addressed with additional permissions checks.

CVE-2023-27940: James Duffy (mangoSecure)

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 gain root privileges

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

CVE-2023-32413: Eloi Benoist-Vanderbeken (@elvanderb) from Synacktiv (@Synacktiv) working with Trend Micro Zero Day Initiative

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: A use-after-free issue was addressed with improved memory management.

CVE-2023-32398: Adam Doupé of ASU SEFCOM

Metal

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-2023-32407: Gergely Kalman (@gergely_kalman)

NetworkExtension

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 read sensitive location information

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

CVE-2023-32403: Adam M.

Entry updated December 21, 2023

Photos

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: Shake-to-undo may allow a deleted photo to be re-surfaced without authentication

Description: The issue was addressed with improved checks.

CVE-2023-32365: Jiwon Park

Shell

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 modify protected parts of the file system

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

CVE-2023-32397: Arsenii Kostromin (0x3c3e)

Shortcuts

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: A shortcut may be able to use sensitive data with certain actions without prompting the user

Description: The issue was addressed with improved checks.

CVE-2023-32391: Wenchao Li and Xiaolong Bai of Alibaba Group

Telephony

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: A remote attacker may be able to cause unexpected app termination or arbitrary code execution

Description: A use-after-free issue was addressed with improved memory management.

CVE-2023-32412: Ivan Fratric of Google Project Zero

TV App

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 read sensitive location information

Description: The issue was addressed with improved handling of caches.

CVE-2023-32408: Adam M.

WebKit

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: Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been actively exploited.

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

WebKit Bugzilla: 254930
CVE-2023-28204: an anonymous researcher

WebKit

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: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Description: A use-after-free issue was addressed with improved memory management.

WebKit Bugzilla: 254840
CVE-2023-32373: an anonymous researcher

 


Additional recognition

libxml2

We would like to acknowledge OSS-Fuzz, Ned Williamson of Google Project Zero for their assistance.

Reminders

We would like to acknowledge Kirin (@Pwnrin) for their assistance.

Security

We would like to acknowledge James Duffy (mangoSecure) for their assistance.

Wi-Fi

We would like to acknowledge Adam M. for their assistance.

Entry updated December 21, 2023

 

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