-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2019-8-13-4 Additional information for APPLE-SA-2019-7-22-5 tvOS 12.4 tvOS 12.4 addresses the following: Bluetooth Available for: Apple TV 4K and Apple TV HD Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic (Key Negotiation of Bluetooth - KNOB) Description: An input validation issue existed in Bluetooth. This issue was addressed with improved input validation. CVE-2019-9506: Daniele Antonioli of SUTD, Singapore, Dr. Nils Ole Tippenhauer of CISPA, Germany, and Prof. Kasper Rasmussen of University of Oxford, England Entry added August 13, 2019 Core Data Available for: Apple TV 4K and Apple TV HD Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2019-8646: Natalie Silvanovich of Google Project Zero Core Data Available for: Apple TV 4K and Apple TV HD Impact: A remote attacker may be able to cause arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2019-8647: Samuel Groß and Natalie Silvanovich of Google Project Zero Core Data Available for: Apple TV 4K and Apple TV HD Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2019-8660: Samuel Groß and Natalie Silvanovich of Google Project Zero FaceTime Available for: Apple TV 4K and Apple TV HD Impact: A remote attacker may be able to cause arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2019-8648: Tao Huang and Tielei Wang of Team Pangu Foundation Available for: Apple TV 4K and Apple TV HD Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2019-8641: Samuel Groß and Natalie Silvanovich of Google Project Zero Heimdal Available for: Apple TV 4K and Apple TV HD Impact: An issue existed in Samba that may allow attackers to perform unauthorized actions by intercepting communications between services Description: This issue was addressed with improved checks to prevent unauthorized actions. CVE-2018-16860: Isaac Boukris and Andrew Bartlett of the Samba Team and Catalyst libxslt Available for: Apple TV 4K and Apple TV HD Impact: A remote attacker may be able to view sensitive information Description: A stack overflow was addressed with improved input validation. CVE-2019-13118: found by OSS-Fuzz Profiles Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to restrict access to websites Description: A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. CVE-2019-8698: Luke Deshotels, Jordan Beichler, and William Enck of North Carolina State University; Costin Carabaș and Răzvan Deaconescu of University POLITEHNICA of Bucharest Quick Look Available for: Apple TV 4K and Apple TV HD Impact: An attacker may be able to trigger a use-after-free in an application deserializing an untrusted NSDictionary Description: This issue was addressed with improved checks. CVE-2019-8662: Natalie Silvanovich and Samuel Groß of Google Project Zero Siri Available for: Apple TV 4K and Apple TV HD Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2019-8646: Natalie Silvanovich of Google Project Zero UIFoundation Available for: Apple TV 4K and Apple TV HD Impact: Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2019-8657: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A logic issue existed in the handling of document loads. This issue was addressed with improved state management. CVE-2019-8690: Sergei Glazunov of Google Project Zero WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management. CVE-2019-8649: Sergei Glazunov of Google Project Zero WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A logic issue was addressed with improved state management. CVE-2019-8658: akayn working with Trend Micro's Zero Day Initiative WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2019-8644: G. Geshev working with Trend Micro's Zero Day Initiative CVE-2019-8666: Zongming Wang (王宗明) and Zhe Jin (金哲) from Chengdu Security Response Center of Qihoo 360 Technology Co. Ltd. CVE-2019-8669: akayn working with Trend Micro's Zero Day Initiative CVE-2019-8671: Apple CVE-2019-8672: Samuel Groß of Google Project Zero CVE-2019-8673: Soyeon Park and Wen Xu of SSLab at Georgia Tech CVE-2019-8676: Soyeon Park and Wen Xu of SSLab at Georgia Tech CVE-2019-8677: Jihui Lu of Tencent KeenLab CVE-2019-8678: Anthony Lai (@darkfloyd1014) of Knownsec, Ken Wong (@wwkenwong) of VXRL, Jeonghoon Shin (@singi21a) of Theori, Johnny Yu (@straight_blast) of VX Browser Exploitation Group, Chris Chan (@dr4g0nfl4me) of VX Browser Exploitation Group, Phil Mok (@shadyhamsters) of VX Browser Exploitation Group, Alan Ho (@alan_h0) of Knownsec, Byron Wai of VX Browser Exploitation, P1umer of ADLab of Venustech CVE-2019-8679: Jihui Lu of Tencent KeenLab CVE-2019-8680: Jihui Lu of Tencent KeenLab CVE-2019-8681: G. Geshev working with Trend Micro Zero Day Initiative CVE-2019-8683: lokihardt of Google Project Zero CVE-2019-8684: lokihardt of Google Project Zero CVE-2019-8685: akayn, Dongzhuo Zhao working with ADLab of Venustech, Ken Wong (@wwkenwong) of VXRL, Anthony Lai (@darkfloyd1014) of VXRL, and Eric Lung (@Khlung1) of VXRL CVE-2019-8686: G. Geshev working with Trend Micro's Zero Day Initiative CVE-2019-8687: Apple CVE-2019-8688: Insu Yun of SSLab at Georgia Tech CVE-2019-8689: lokihardt of Google Project Zero Additional recognition Game Center We would like to acknowledge Min (Spark) Zheng and Xiaolong Bai of Alibaba Inc. for their assistance. MobileInstallation We would like to acknowledge Dany Lisiansky (@DanyL931) 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----- iQJdBAEBCABHFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAl1S688pHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQeC9tht7TK3HyXxAA mG4VzHLTPDCtd3eXkDjN34xahbSiqapl+dcRPoJ4V8yTq2ZM7D+/6Ls4pRD/3oid 46YJfRDaH2J5kufrdYledP0fRXWZoi97tjfgewmP7qKJeftc/9y2qDqBPjnFzHxo 40BZaeVZjupKXyrPlT/Wy8kLZnBtufaEiwbrwkmR05hTuvP6MrQB9gC/YdQnVLTZ 8X7Rd9gIcTPl1cQ9lPvFRSxThsQMzQH69/amMYAhUfwuocn8GbVshVj8LNw7Ie2K pNUqt/UuB+DhQfUTHAlNezVcuWGUWVELkCuF6xv5oy6Z8bbyClOnYmZUmV+Nhqe+ gHmUUGMlhVuJme1mf20eapB+bHX8eXzxC99ScVymHym459V9N2NpGKDQmh3Pb1Cg OYMe7xyA7ckc8upqEl9WI+yyrRjlvuUUPXinmdldXnl0GFRfJfwbzsuoaQylIViE CKd8oOpzcG/dU8FiRYp5vzW9H/LMOTLK2Q1zX5dDhK2V6J/yYfqemnSOEvHhYD5g 08Wm7GaY2kpPqmJ1Vvbtzh9+5AVTNRxpP38xJJde1G8rSUgXs+MkxAh5n6cv+pr/ xpGVpPNsO1uKeRzXjbkTERxH2r8q548caRgKEn6OoOGWhXm6O4YDzopkM6tbe8p1 yIawhwh3AST6+peshxryiatYNsHunnvjpYc72UDiuBU= =KPlq -----END PGP SIGNATURE-----