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APPLE-SA-01-22-2024-2 iOS 17.3 and iPadOS 17.3

iOS 17.3 and iPadOS 17.3 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT214059.

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

Apple Neural Engine
Available for devices with Apple Neural Engine: iPhone XS and later,
iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st
generation and later, iPad Air 3rd generation and later, iPad 8th
generation and later, and iPad mini 5th generation and later
Impact: An app may be able to execute arbitrary code with kernel
privileges
Description: The issue was addressed with improved memory handling.
CVE-2024-23212: Ye Zhang of Baidu Security

CoreCrypto
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: An attacker may be able to decrypt legacy RSA PKCS#1 v1.5
ciphertexts without having the private key
Description: A timing side-channel issue was addressed with improvements
to constant-time computation in cryptographic functions.
CVE-2024-23218: Clemens Lang

Kernel
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: An app may be able to execute arbitrary code with kernel
privileges
Description: The issue was addressed with improved memory handling.
CVE-2024-23208: fmyy(@binary_fmyy) and lime From TIANGONG Team of
Legendsec at QI-ANXIN Group

Mail Search
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with improved redaction of
sensitive information.
CVE-2024-23207: Noah Roskin-Frazee and Prof. J. (ZeroClicks.ai Lab), and
Ian de Marcellus

NSSpellChecker
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: An app may be able to access sensitive user data
Description: A privacy issue was addressed with improved handling of
files.
CVE-2024-23223: Noah Roskin-Frazee and Prof. J. (ZeroClicks.ai Lab)

Reset Services
Available for: iPhone XS and later
Impact: Stolen Device Protection may be unexpectedly disabled
Description: The issue was addressed with improved authentication.
CVE-2024-23219: Peter Watthey and Christian Scalese

Safari
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: A user's private browsing activity may be visible in Settings
Description: A privacy issue was addressed with improved handling of
user preferences.
CVE-2024-23211: Mark Bowers

Shortcuts
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: A shortcut may be able to use sensitive data with certain
actions without prompting the user
Description: The issue was addressed with additional permissions checks.
CVE-2024-23203: an anonymous researcher
CVE-2024-23204: Jubaer Alnazi (@h33tjubaer)

Shortcuts
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: An app may be able to bypass certain Privacy preferences
Description: A privacy issue was addressed with improved handling of
temporary files.
CVE-2024-23217: Kirin (@Pwnrin)

TCC
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: An app may be able to access user-sensitive data
Description: An issue was addressed with improved handling of temporary
files.
CVE-2024-23215: Zhongquan Li (@Guluisacat)

Time Zone
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: An app may be able to view a user's phone number in system logs
Description: This issue was addressed with improved redaction of
sensitive information.
CVE-2024-23210: Noah Roskin-Frazee and Prof. J. (ZeroClicks.ai Lab)

WebKit
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: A maliciously crafted webpage may be able to fingerprint the
user
Description: An access issue was addressed with improved access
restrictions.
WebKit Bugzilla: 262699
CVE-2024-23206: an anonymous researcher

WebKit
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: Processing web content may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 266619
CVE-2024-23213: Wangtaiyu of Zhongfu info

WebKit
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary
code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
WebKit Bugzilla: 265129
CVE-2024-23214: Nan Wang (@eternalsakura13) of 360 Vulnerability
Research Institute

WebKit
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and
later, iPad Air 3rd generation and later, iPad 6th generation and later,
and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary
code execution. Apple is aware of a report that this issue may have been
exploited.
Description: A type confusion issue was addressed with improved checks.
WebKit Bugzilla: 267134
CVE-2024-23222

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 17.3 and iPadOS 17.3".
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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