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List:       full-disclosure
Subject:    [FD] APPLE-SA-01-22-2024-8 watchOS 10.3
From:       Apple Product Security via Fulldisclosure <fulldisclosure () seclists ! org>
Date:       2024-01-23 1:18:23
Message-ID: 514462C7-99BB-4BF8-8408-12394807739A () lists ! apple ! com
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APPLE-SA-01-22-2024-8 watchOS 10.3

watchOS 10.3 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT214060.

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: Apple Watch Series 9 and
Apple Watch Ultra 2
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: Apple Watch Series 4 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: Apple Watch Series 4 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: Apple Watch Series 4 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: Apple Watch Series 4 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)

Safari
Available for: Apple Watch Series 4 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: Apple Watch Series 4 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-2024-23204: Jubaer Alnazi (@h33tjubaer)

Shortcuts
Available for: Apple Watch Series 4 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: Apple Watch Series 4 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: Apple Watch Series 4 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: Apple Watch Series 4 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: Apple Watch Series 4 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

Instructions on how to update your Apple Watch software are available
at https://support.apple.com/kb/HT204641  To check the version on
your Apple Watch, open the Apple Watch app on your iPhone and select
"My Watch > General > About".  Alternatively, on your watch, select
"My Watch > General > About".
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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