Message-id: <6436C9CC-F2C2-4A35-BF7F-28C650B2B34F@lists.apple.com>
Date: Thu, 27 Oct 2022 18:23:47 -0700
From: Apple Product Security via Fulldisclosure <fulldisclosure@...lists.org>
To: security-announce@...ts.apple.com
Subject: [FD] APPLE-SA-2022-10-27-10 Additional information for
 APPLE-SA-2022-10-24-6 tvOS 16.1

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APPLE-SA-2022-10-27-10 Additional information for APPLE-SA-2022-10-24-6 tvOS 16.1

tvOS 16.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213492.

AppleMobileFileIntegrity
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: An app may be able to modify protected parts of the file
system
Description: This issue was addressed by removing additional
entitlements.
CVE-2022-42825: Mickey Jin (@patch1t)

Audio
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: Parsing a maliciously crafted audio file may lead to
disclosure of user information 
Description: The issue was addressed with improved memory handling. 
CVE-2022-42798: Anonymous working with Trend Micro Zero Day
Initiative
Entry added October 27, 2022

AVEVideoEncoder
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: An app may be able to execute arbitrary code with kernel
privileges
Description: The issue was addressed with improved bounds checks.
CVE-2022-32940: ABC Research s.r.o.

CFNetwork
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: Processing a maliciously crafted certificate may lead to
arbitrary code execution
Description: A certificate validation issue existed in the handling
of WKWebView. This issue was addressed with improved validation.
CVE-2022-42813: Jonathan Zhang of Open Computing Facility
(ocf.berkeley.edu)

Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: An app may be able to execute arbitrary code with kernel
privileges
Description: The issue was addressed with improved memory handling.
CVE-2022-32924: Ian Beer of Google Project Zero

Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: A remote user may be able to cause kernel code execution
Description: An out-of-bounds write issue was addressed with improved
bounds checking.
CVE-2022-42808: Zweig of Kunlun Lab

Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: An app may be able to execute arbitrary code with kernel
privileges
Description: A memory corruption issue was addressed with improved
state management. 
CVE-2022-32944: Tim Michaud (@TimGMichaud) of Moveworks.ai
Entry added October 27, 2022

Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD 
Impact: An app may be able to execute arbitrary code with kernel
privileges 
Description: A race condition was addressed with improved locking. 
CVE-2022-42803: Xinru Chi of Pangu Lab, John Aakerblom (@jaakerblom)
Entry added October 27, 2022

Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: An app with root privileges may be able to execute arbitrary
code with kernel privileges 
Description: The issue was addressed with improved bounds checks.
CVE-2022-32926: Tim Michaud (@TimGMichaud) of Moveworks.ai
Entry added October 27, 2022

Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD Impact: An app may be able to execute arbitrary code with
kernel privileges 
Description: A logic issue was addressed with improved checks. 
CVE-2022-42801: Ian Beer of Google Project Zero
Entry added October 27, 2022

Model I/O
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: Processing a maliciously crafted USD file may disclose memory
contents 
Description: The issue was addressed with improved memory handling. 
CVE-2022-42810: Xingwei Lin (@xwlin_roy) and Yinyi Wu of Ant Security
Light-Year Lab
Entry added October 27, 2022

Sandbox
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: An app may be able to access user-sensitive data
Description: An access issue was addressed with additional sandbox
restrictions.
CVE-2022-42811: Justin Bui (@slyd0g) of Snowflake

WebKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: Visiting a malicious website may lead to user interface
spoofing
Description: The issue was addressed with improved UI handling.
WebKit Bugzilla: 243693
CVE-2022-42799: Jihwan Kim (@gPayl0ad), Dohyun Lee (@l33d0hyun)

WebKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed with improved
memory handling.
WebKit Bugzilla: 244622
CVE-2022-42823: Dohyun Lee (@l33d0hyun) of SSD Labs

WebKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: Processing maliciously crafted web content may disclose
sensitive user information
Description: A logic issue was addressed with improved state
management.
WebKit Bugzilla: 245058
CVE-2022-42824: Abdulrahman Alqabandi of Microsoft Browser
Vulnerability Research, Ryan Shin of IAAI SecLab at Korea University,
Dohyun Lee (@l33d0hyun) of DNSLab at Korea University

WebKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple
TV HD
Impact: Processing maliciously crafted web content may disclose
internal states of the app
Description: A correctness issue in the JIT was addressed with
improved checks.
WebKit Bugzilla: 242964
CVE-2022-32923: Wonyoung Jung (@nonetype_pwn) of KAIST Hacking Lab
Entry added October 27, 2022

Additional recognition

iCloud
We would like to acknowledge Tim Michaud (@TimGMichaud) of
Moveworks.ai for their assistance.

Kernel
We would like to acknowledge Peter Nguyen of STAR Labs, Tim Michaud
(@TimGMichaud) of Moveworks.ai, Tommy Muir (@Muirey03) for their
assistance.

WebKit
We would like to acknowledge Maddie Stone of Google Project Zero,
Narendra Bhati (@imnarendrabhati) of Suma Soft Pvt. Ltd., an
anonymous researcher for their assistance.

Apple TV will periodically check for software updates. Alternatively,
you may manually check for software updates by selecting "Settings ->
System -> Software Update -> Update Software."  To check the current
version of software, select "Settings -> 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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