Date: Thu, 18 May 2023 16:26:57 -0700
From: Apple Product Security via Fulldisclosure <fulldisclosure@...lists.org>
To: security-announce@...ts.apple.com
Subject: [FD] APPLE-SA-2023-05-18-2 iOS 15.7.6 and iPadOS 15.7.6

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APPLE-SA-2023-05-18-2 iOS 15.7.6 and iPadOS 15.7.6

iOS 15.7.6 and iPadOS 15.7.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213765.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

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)

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: an anonymous researcher

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 an anonymous researcher for their
assistance.

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/  iTunes and Software Update on the
device will automatically check Apple's update server on its weekly
schedule. When an update is detected, it is downloaded and the option
to be installed is presented to the user when the iOS device is
docked. We recommend applying the update immediately if possible.
Selecting Don't Install will present the option the next time you
connect your iOS device.  The automatic update process may take up to
a week depending on the day that iTunes or the device checks for
updates. You may manually obtain the update via the Check for Updates
button within iTunes, or the Software Update on your device.  To
check that the iPhone, iPod touch, or iPad has been updated:  *
Navigate to Settings * Select General * Select About. The version
after applying this update will be "iOS 15.7.6 and iPadOS 15.7.6".
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/HT201222.

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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