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APPLE-SA-07-29-2024-7 watchOS 10.6

watchOS 10.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT214124.

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

AppleMobileFileIntegrity
Available for: Apple Watch Series 4 and later
Impact: An app may be able to bypass Privacy preferences
Description: A downgrade issue was addressed with additional code-
signing restrictions.
CVE-2024-40774: Mickey Jin (@patch1t)

CoreGraphics
Available for: Apple Watch Series 4 and later
Impact: Processing a maliciously crafted file may lead to unexpected app
termination
Description: An out-of-bounds read issue was addressed with improved
input validation.
CVE-2024-40799: D4m0n

dyld
Available for: Apple Watch Series 4 and later
Impact: A malicious attacker with arbitrary read and write capability
may be able to bypass Pointer Authentication
Description: A race condition was addressed with additional validation.
CVE-2024-40815: w0wbox

Family Sharing
Available for: Apple Watch Series 4 and later
Impact: An app may be able to read sensitive location information
Description: This issue was addressed with improved data protection.
CVE-2024-40795: Csaba Fitzl (@theevilbit) of Kandji

ImageIO
Available for: Apple Watch Series 4 and later
Impact: Processing an image may lead to a denial-of-service
Description: This is a vulnerability in open source code and Apple
Software is among the affected projects. The CVE-ID was assigned by a
third party. Learn more about the issue and CVE-ID at cve.org.
CVE-2023-6277
CVE-2023-52356

ImageIO
Available for: Apple Watch Series 4 and later
Impact: Processing a maliciously crafted file may lead to unexpected app
termination
Description: An out-of-bounds read issue was addressed with improved
input validation.
CVE-2024-40806: Yisumi

ImageIO
Available for: Apple Watch Series 4 and later
Impact: Processing a maliciously crafted file may lead to unexpected app
termination
Description: An out-of-bounds access issue was addressed with improved
bounds checking.
CVE-2024-40777: Junsung Lee working with Trend Micro Zero Day
Initiative, Amir Bazine and Karsten König of CrowdStrike Counter
Adversary Operations

ImageIO
Available for: Apple Watch Series 4 and later
Impact: Processing a maliciously crafted file may lead to unexpected app
termination
Description: An integer overflow was addressed with improved input
validation.
CVE-2024-40784: Junsung Lee working with Trend Micro Zero Day Initiative
and Gandalf4a

Kernel
Available for: Apple Watch Series 4 and later
Impact: A local attacker may be able to determine kernel memory layout
Description: An information disclosure issue was addressed with improved
private data redaction for log entries.
CVE-2024-27863: CertiK SkyFall Team

Kernel
Available for: Apple Watch Series 4 and later
Impact: A local attacker may be able to cause unexpected system shutdown
Description: A type confusion issue was addressed with improved memory
handling.
CVE-2024-40788: Minghao Lin and Jiaxun Zhu from Zhejiang University

libxpc
Available for: Apple Watch Series 4 and later
Impact: An app may be able to bypass Privacy preferences
Description: A permissions issue was addressed with additional
restrictions.
CVE-2024-40805

Phone
Available for: Apple Watch Series 4 and later
Impact: An attacker with physical access may be able to use Siri to
access sensitive user data
Description: A lock screen issue was addressed with improved state
management.
CVE-2024-40813: Jacob Braun

Sandbox
Available for: Apple Watch Series 4 and later
Impact: An app may be able to bypass Privacy preferences
Description: This issue was addressed through improved state management.
CVE-2024-40824: Wojciech Regula of SecuRing (wojciechregula.blog) and
Zhongquan Li (@Guluisacat) from Dawn Security Lab of JingDong

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: A logic issue was addressed with improved checks.
CVE-2024-40835: an anonymous researcher
CVE-2024-40836: an anonymous researcher

Shortcuts
Available for: Apple Watch Series 4 and later
Impact: A shortcut may be able to bypass Internet permission
requirements
Description: A logic issue was addressed with improved checks.
CVE-2024-40809: an anonymous researcher
CVE-2024-40812: an anonymous researcher

Shortcuts
Available for: Apple Watch Series 4 and later
Impact: A shortcut may be able to bypass Internet permission
requirements
Description: This issue was addressed by adding an additional prompt for
user consent.
CVE-2024-40787: an anonymous researcher

Shortcuts
Available for: Apple Watch Series 4 and later
Impact: An app may be able to access user-sensitive data
Description: This issue was addressed by removing the vulnerable code.
CVE-2024-40793: Kirin (@Pwnrin)

Siri
Available for: Apple Watch Series 4 and later
Impact: An attacker with physical access may be able to use Siri to
access sensitive user data
Description: This issue was addressed by restricting options offered on
a locked device.
CVE-2024-40818: Bistrit Dahal and Srijan Poudel

Siri
Available for: Apple Watch Series 4 and later
Impact: An attacker with physical access to a device may be able to
access contacts from the lock screen
Description: This issue was addressed by restricting options offered on
a locked device.
CVE-2024-40822: Srijan Poudel

VoiceOver
Available for: Apple Watch Series 4 and later
Impact: An attacker may be able to view restricted content from the lock
screen
Description: The issue was addressed with improved checks.
CVE-2024-40829: Abhay Kailasia (@abhay_kailasia) of Lakshmi Narain
College of Technology Bhopal India

WebKit
Available for: Apple Watch Series 4 and later
Impact: Processing maliciously crafted web content may lead to an
unexpected process crash
Description: A use-after-free issue was addressed with improved memory
management.
WebKit Bugzilla: 273176
CVE-2024-40776: Huang Xilin of Ant Group Light-Year Security Lab
WebKit Bugzilla: 268770
CVE-2024-40782: Maksymilian Motyl

WebKit
Available for: Apple Watch Series 4 and later
Impact: Processing maliciously crafted web content may lead to an
unexpected process crash
Description: An out-of-bounds read was addressed with improved bounds
checking.
WebKit Bugzilla: 275431
CVE-2024-40779: Huang Xilin of Ant Group Light-Year Security Lab
WebKit Bugzilla: 275273
CVE-2024-40780: Huang Xilin of Ant Group Light-Year Security Lab

WebKit
Available for: Apple Watch Series 4 and later
Impact: Processing maliciously crafted web content may lead to a cross
site scripting attack
Description: This issue was addressed with improved checks.
WebKit Bugzilla: 273805
CVE-2024-40785: Johan Carlsson (joaxcar)

WebKit
Available for: Apple Watch Series 4 and later
Impact: Processing maliciously crafted web content may lead to an
unexpected process crash
Description: An out-of-bounds access issue was addressed with improved
bounds checking.
CVE-2024-40789: Seunghyun Lee (@0x10n) of KAIST Hacking Lab working with
Trend Micro Zero Day Initiative

Additional recognition

Shortcuts
We would like to acknowledge an anonymous researcher for their
assistance.

Instructions on how to update your Apple Watch software are available
at https://support.apple.com/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 Releases
web site: https://support.apple.com/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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