About the security content of tvOS 17.1

This document describes the security content of tvOS 17.1.

About Apple security updates

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

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tvOS 17.1

Released October 25, 2023

Core Recents

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: An app may be able to access user-sensitive data

Description: The issue was resolved by sanitizing logging

CVE-2023-42823

Entry added February 16, 2024

Game Center

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: An app may be able to access sensitive user data

Description: A permissions issue was addressed with additional restrictions.

CVE-2023-42953: Michael (Biscuit) Thomas - @[email protected]

Entry added February 16, 2024

ImageIO

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing a maliciously crafted image may lead to heap corruption

Description: The issue was addressed with improved bounds checks.

CVE-2023-42848: JZ

Entry added February 16, 2024

libxpc

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: A malicious app may be able to gain root privileges

Description: This issue was addressed with improved handling of symlinks.

CVE-2023-42942: Mickey Jin (@patch1t)

Entry added February 16, 2024

mDNSResponder

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: A device may be passively tracked by its Wi-Fi MAC address

Description: This issue was addressed by removing the vulnerable code.

CVE-2023-42846: Talal Haj Bakry and Tommy Mysk of Mysk Inc. @mysk_co

Pro Res

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: An app may be able to execute arbitrary code with kernel privileges

Description: The issue was addressed with improved bounds checks.

CVE-2023-42873: Mingxuan Yang (@PPPF00L), and happybabywu and Guang Gong of 360 Vulnerability Research Institute

Entry added February 16, 2024

Sandbox

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: An app may be able to access sensitive user data

Description: This issue was addressed with improved state management.

CVE-2023-42839: Yiğit Can YILMAZ (@yilmazcanyigit)

Entry added February 16, 2024

Siri

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: An app may be able to leak sensitive user information

Description: This issue was addressed with improved redaction of sensitive information.

CVE-2023-42946

Entry added February 16, 2024

WebKit

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing web content may lead to arbitrary code execution

Description: The issue was addressed with improved memory handling.

WebKit Bugzilla: 259836
CVE-2023-40447: 이준성(Junsung Lee) of Cross Republic

WebKit

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing web content may lead to arbitrary code execution

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

WebKit Bugzilla: 259890
CVE-2023-41976: 이준성(Junsung Lee)

WebKit

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing web content may lead to arbitrary code execution

Description: A logic issue was addressed with improved checks.

WebKit Bugzilla: 260173
CVE-2023-42852: Pedro Ribeiro (@pedrib1337) and Vitor Pedreira (@0xvhp_) of Agile Information Security

Entry updated February 16, 2024

Additional recognition

VoiceOver

We would like to acknowledge Abhay Kailasia (@abhay_kailasia) of Lakshmi Narain College Of Technology Bhopal India for their assistance.

WebKit

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

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Published Date: February 16, 2024