About the security content of tvOS 16.1

This document describes the security content of tvOS 16.1.

About Apple security updates

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Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

tvOS 16.1

Released October 24, 2022

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 cause unexpected system termination or potentially execute code with kernel privileges

Description: A use after free issue was addressed with improved memory management.

CVE-2022-46712: Tommy Muir (@Muirey03)

Entry added June 7, 2023

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., and an anonymous researcher for their assistance.

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Published Date: October 31, 2023