About the security content of tvOS 16.3[2023-01/1]
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About the security content of tvOS 16.3
This document describes the security content of tvOS 16.3.
About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
tvOS 16.3
Released January 24, 2023
AppleMobileFileIntegrity
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: An app may be able to access user-sensitive data
Description: This issue was addressed by enabling hardened runtime.
CVE-2023-23499: Wojciech Reguła (@_r3ggi) of SecuRing (wojciechregula.blog)
ImageIO
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: Processing an image may lead to a denial-of-service
Description: A memory corruption issue was addressed with improved state management.
CVE-2023-23519: Yiğit Can YILMAZ (@yilmazcanyigit)
Kernel
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: An app may be able to leak sensitive kernel state
Description: The issue was addressed with improved memory handling.
CVE-2023-23500: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd. (@starlabs_sg)
Kernel
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: An app may be able to determine kernel memory layout
Description: An information disclosure issue was addressed by removing the vulnerable code.
CVE-2023-23502: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd. (@starlabs_sg)
Kernel
Available for: Apple TV 4K (all models) 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-2023-23504: Adam Doupé of ASU SEFCOM
Maps
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: An app may be able to bypass Privacy preferences
Description: A logic issue was addressed with improved state management.
CVE-2023-23503: an anonymous researcher
Safari
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: Visiting a website may lead to an app denial-of-service
Description: The issue was addressed with improved handling of caches.
CVE-2023-23512: Adriatik Raci
Weather
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: An app may be able to bypass Privacy preferences
Description: The issue was addressed with improved memory handling.
CVE-2023-23511: Wojciech Regula of SecuRing (wojciechregula.blog), an anonymous researcher
WebKit
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 245464 CVE-2023-23496: ChengGang Wu, Yan Kang, YuHao Hu, Yue Sun, Jiming Wang, JiKai Ren and Hang Shu of Institute of Computing Technology, Chinese Academy of Sciences
WebKit
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 248268 CVE-2023-23518: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree_segment), SeOk JEON (@_seokjeon), YoungSung Ahn (@_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE
WebKit Bugzilla: 248268 CVE-2023-23517: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree_segment), SeOk JEON (@_seokjeon), YoungSung Ahn (@_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE
Additional recognition
Kernel
We would like to acknowledge Nick Stenning of Replicate for their assistance.
WebKit
We would like to acknowledge Eliya Stein of Confiant for their assistance.
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