-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2018-9-24-6 Additional information for APPLE-SA-2018-9-17-3 tvOS 12 tvOS 12 addresses the following: Auto Unlock Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to access local users AppleIDs Description: A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. CVE-2018-4321: Min (Spark) Zheng, Xiaolong Bai of Alibaba Inc. Entry added September 24, 2018 Bluetooth Available for: Apple TV (4th generation) Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic Description: An input validation issue existed in Bluetooth. This issue was addressed with improved input validation. CVE-2018-5383: Lior Neumann and Eli Biham iTunes Store Available for: Apple TV 4K and Apple TV (4th generation) Impact: An attacker in a privileged network position may be able to spoof password prompts in the iTunes Store Description: An input validation issue was addressed with improved input validation. CVE-2018-4305: Jerry Decime Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4336: Brandon Azad CVE-2018-4344: The UK's National Cyber Security Centre (NCSC) Entry added September 24, 2018 Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to read restricted memory Description: An input validation issue existed in the kernel. This issue was addressed with improved input validation. CVE-2018-4363: Ian Beer of Google Project Zero Safari Available for: Apple TV 4K and Apple TV (4th generation) Impact: A local user may be able to discover websites a user has visited Description: A consistency issue existed in the handling of application snapshots. The issue was addressed with improved handling of application snapshots. CVE-2018-4313: 11 anonymous researchers, David Scott, Enes Mert Ulu of Abdullah Mürşide Özünenek Anadolu Lisesi - Ankara/Türkiye, Mehmet Ferit Daştan of Van Yüzüncü Yıl University, Metin Altug Karakaya of Kaliptus Medical Organization, Vinodh Swami of Western Governor's University (WGU) Security Available for: Apple TV 4K and Apple TV (4th generation) Impact: An attacker may be able to exploit weaknesses in the RC4 cryptographic algorithm Description: This issue was addressed by removing RC4. CVE-2016-1777: Pepi Zawodsky WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2018-4197: Ivan Fratric of Google Project Zero CVE-2018-4306: Ivan Fratric of Google Project Zero CVE-2018-4312: Ivan Fratric of Google Project Zero CVE-2018-4314: Ivan Fratric of Google Project Zero CVE-2018-4315: Ivan Fratric of Google Project Zero CVE-2018-4317: Ivan Fratric of Google Project Zero CVE-2018-4318: Ivan Fratric of Google Project Zero Entry added September 24, 2018 WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious website may exfiltrate image data cross-origin Description: A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. CVE-2018-4345: an anonymous researcher Entry added September 24, 2018 WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction causes an ASSERT failure Description: A memory corruption issue was addressed with improved validation. CVE-2018-4191: found by OSS-Fuzz Entry added September 24, 2018 WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved state management. CVE-2018-4316: crixer, Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team Entry added September 24, 2018 WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4299: Samuel Groβ (saelo) working with Trend Micro's Zero Day Initiative CVE-2018-4323: Ivan Fratric of Google Project Zero CVE-2018-4328: Ivan Fratric of Google Project Zero CVE-2018-4358: @phoenhex team (@bkth_ @5aelo @_niklasb) working with Trend Micro's Zero Day Initiative CVE-2018-4359: Samuel Groß (@5aelo) Entry added September 24, 2018 WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious website may be able to execute scripts in the context of another website Description: A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. CVE-2018-4309: an anonymous researcher working with Trend Micro's Zero Day Initiative Entry added September 24, 2018 WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction causes an ASSERT failure Description: A memory consumption issue was addressed with improved memory handling. CVE-2018-4361: found by Google OSS-Fuzz Entry added September 24, 2018 Additional recognition Assets We would like to acknowledge Brandon Azad for their assistance. Core Data We would like to acknowledge Andreas Kurtz (@aykay) of NESO Security Labs GmbH for their assistance. Sandbox Profiles We would like to acknowledge Tencent Keen Security Lab working with Trend Micro's Zero Day Initiative for their assistance. SQLite We would like to acknowledge Andreas Kurtz (@aykay) of NESO Security Labs GmbH for their assistance. WebKit We would like to acknowledge Cary Hartline, Hanming Zhang from 360 Vuclan team, and Zach Malone of CA Technologies for their assistance. Installation note: 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." Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAlupFUMACgkQeC9tht7T K3H35Q//UwJyTZpRVx33z/T3GxYfFX9dxg2fwdkVFxCGWR/yGCL/pMwNH/UwerQH qcdzG3VopySXXJy/goEJD+w+f8QNtueysfE7+MrYvogVD1OVALDc0xaZvudKmSoo d0APBDtlkkLn4evwwpIYfl6Ikje/j40ZOfzSZ8+9hsoq6b+tkhSo8UC+hphUBi4L lMshXi5OmekimBWgGdPGN77UQoFAJriMQHLppQ4x46qHuiMSAKHeCz+AdL4Xk1dh fzdbizI4p7CssUzJHOPU61NPB28AoPsVJ8yEQpKDvHcnkPxtgtAzoIBWl0MwUCXg OaT+8poN/HsMVJYtM2vi322IJGfMtcWtU/TJ1TbhAih6Bal2paIEj4zBirEXc9sF dQyWB+EB8h+g4MtXyo6ax7OyO3UmRsISyCQhCNKWhXjTt4/9Q6xMbGxfW6X7EtHN mgM/74rqkM53Tfy3kqywBDi90v4aNMUGdbYcK3YJldayW++K2J6OtxZZmflfYkbU GTnAaEFIa0dLX/e+uqGRtz2F0K8mr9/9VwiwrH3et2FALvU6RyFLX7jqnKFyGpUp LdXH6Mz6xBYS7Rg2vKVjUsHXlutpknmDxyx8Orirgb2gNHN97w8GDCnmOAd2euoL HZdlwhs4SLaLqyNegbG3y3MD7gK8oRTZx3tXeJRmYV6UGp+d9QI= =pj7d -----END PGP SIGNATURE-----