-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2018-10-30-11 Additional information for APPLE-SA-2018-9-24-6 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. 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 CFNetwork Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4126: Bruno Keith (@bkth_) working with Trend Micro's Zero Day Initiative Entry added October 30, 2018 CoreFoundation Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to elevate privileges Description: A memory corruption issue was addressed with improved input validation. CVE-2018-4412: The UK's National Cyber Security Centre (NCSC) Entry added October 30, 2018 CoreFoundation Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to gain elevated privileges Description: A memory corruption issue was addressed with improved input validation. CVE-2018-4414: The UK's National Cyber Security Centre (NCSC) Entry added October 30, 2018 CoreText Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing a maliciously crafted text file may lead to arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2018-4347: an anonymous researcher Entry added October 30, 2018 Grand Central Dispatch Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4426: Brandon Azad Entry added October 30, 2018 Heimdal Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4331: Brandon Azad CVE-2018-4332: Brandon Azad CVE-2018-4343: Brandon Azad Entry added October 30, 2018 IOHIDFamily Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved input validation CVE-2018-4408: Ian Beer of Google Project Zero Entry added October 30, 2018 IOKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to break out of its sandbox Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4341: Ian Beer of Google Project Zero CVE-2018-4354: Ian Beer of Google Project Zero Entry added October 30, 2018 IOKit 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 state management. CVE-2018-4383: Apple Entry added October 30, 2018 IOUserEthernet 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-2018-4401: Apple Entry added October 30, 2018 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: A malicious application may be able to leak sensitive user information Description: An access issue existed with privileged API calls. This issue was addressed with additional restrictions. CVE-2018-4399: Fabiano Anemone (@anoane) Entry added October 30, 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 Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: An attacker in a privileged network position may be able to execute arbitrary code Description: A memory corruption issue was addressed with improved validation. CVE-2018-4407: Kevin Backhouse of Semmle Ltd. Entry added October 30, 2018 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-2018-4337: Ian Beer of Google Project Zero CVE-2018-4340: Mohamed Ghannam (@_simo36) CVE-2018-4344: The UK's National Cyber Security Centre (NCSC) CVE-2018-4425: cc working with Trend Micro's Zero Day Initiative, Juwei Lin (@panicaII) of Trend Micro working with Trend Micro's Zero Day Initiative Entry added October 30, 2018 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: A local user may be able to cause a denial of service Description: This issue was addressed with improved checks. CVE-2018-4395: Patrick Wardle of Digita Security Entry added October 30, 2018 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 Symptom Framework Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2018-4203: Bruno Keith (@bkth_) working with Trend Micro's Zero Day Initiative Entry added October 30, 2018 Text Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing a maliciously crafted text file may lead to a denial of service Description: A denial of service issue was addressed with improved validation. CVE-2018-4304: jianan.huang (@Sevck) Entry added October 30, 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 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) CVE-2018-4360: William Bowling (@wcbowling) Entry added October 30, 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 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 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 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 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 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 OSS-Fuzz 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. Kernel We would like to acknowledge Brandon Azad 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----- iQJdBAEBCABHFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAlvYkgUpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQeC9tht7TK3HjHg/+ Lp4/41SoCVfRStv+eO69W8FCdq8K6+2n60F/pYwb7GlmF5H/Unon0k3PXdDyI/5V ZkaawvnThzMKS9k2kTb7wgnc8PSB8Ax4HGXBB5puo63L3dPk4fNeNNGOMynZaoKO i5MzFxji0nldu/Sgyv/zrdM2MKE2MAVGi2O5YH37PirPK84G4STxw7IFtrSEFGBN QiHbap8Bdjjny7Y1zSIk6CClU6YLpC0E1u8Y6KpmjHn/z4dfKFm9A+CkVuwxymDX RllmAWdDHU5/u93ZFdfEvnu8lFU4kxW4y0R6IJRjRHoouPI2eI5dwIGzxIv1CPea 1qN6QtRFfv9/JQyWotLFFUEDXrOIed9cVosqmJfUulQkq5a5UqcOWCW/HuQYOn9Y qd9EPPRS+lzlBQgFF/MBV1dxsp7WdZXPGnkiskzLMEt3CdOmvu2qx1Lc+6ErJZeI NX8n/CFc16aOS2ltsxx8hX1RWKQ+uZ4Fe4sDOry94wziTPfmAJ0HxR4cTf/KRWuF DuvZkpYyvGrGQmDB1FBWIIA3TP6zfhNtP6hIo5tLgnZb2HDHYcxO76nPKpGEiLiA KizL2ExA3Y5ePf4ZKVx4IGqZqhx0sYebHWgXBABu4MjpL7z4A26q05OVAJZf/icr ssYDTWsZCZr/yz9LEyNJiCWPwqpaAA2VQkMfW3nW/v0= =6KHo -----END PGP SIGNATURE-----
