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List:       full-disclosure
Subject:    [FD] APPLE-SA-2023-07-24-7 tvOS 16.6
From:       Apple Product Security via Fulldisclosure <fulldisclosure () seclists ! org>
Date:       2023-07-25 0:27:08
Message-ID: B28B79D5-F2B7-4B27-ACEB-59F4A2514C15 () lists ! apple ! com
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Hash: SHA256

APPLE-SA-2023-07-24-7 tvOS 16.6

tvOS 16.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213846.

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

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-2023-32734: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.
CVE-2023-32441: Peter Nguyễn Vũ Hoà ng (@peternguyen14) of STAR Labs SG
Pte. Ltd.

Kernel
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: An app may be able to modify sensitive kernel state. Apple is
aware of a report that this issue may have been actively exploited
against versions of iOS released before iOS 15.7.1.
Description: This issue was addressed with improved state management.
CVE-2023-38606: Valentin Pashkov, Mikhail Vinogradov, Georgy Kucherin
(@kucher1n), Leonid Bezvershenko (@bzvr_), and Boris Larin (@oct0xor) of
Kaspersky

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: A use-after-free issue was addressed with improved memory
management.
CVE-2023-32381: an anonymous researcher
CVE-2023-32433: Zweig of Kunlun Lab
CVE-2023-35993: Kaitao Xie and Xiaolong Bai of Alibaba Group

WebKit
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: A website may be able to bypass Same Origin Policy
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 256549
CVE-2023-38572: Narendra Bhati (twitter.com/imnarendrabhati) of Suma
Soft Pvt. Ltd, Pune - India

WebKit
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: Processing web content may lead to arbitrary code execution
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 256865
CVE-2023-38594: Yuhao Hu
WebKit Bugzilla: 256573
CVE-2023-38595: an anonymous researcher, Jiming Wang, and Jikai Ren
WebKit Bugzilla: 257387
CVE-2023-38600: Anonymous working with Trend Micro Zero Day Initiative

WebKit
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: Processing web content may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 258058
CVE-2023-38611: Francisco Alonso (@revskills)

WebKit
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: Processing web content may lead to arbitrary code execution.
Apple is aware of a report that this issue may have been actively
exploited.
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 259231
CVE-2023-37450: an anonymous researcher

WebKit Web Inspector
Available for: Apple TV 4K (all models) and Apple TV HD
Impact: Processing web content may disclose sensitive information
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 256932
CVE-2023-38133: YeongHyeon Choi (@hyeon101010)

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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