-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2019-7-22-5 tvOS 12.4 tvOS 12.4 is now available and addresses the following: 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: an anonymous researcher, 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 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----- iQIzBAEBCAAdFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAl01+gkACgkQeC9tht7T K3HIng/+O3TrJ2rffae06JdRTrmReKbK9C0yqbFO8mbQLZakvTJ8wMPBiE2e2SrU KeFIyJmWKxhH/9/dMHxLYDyg0Venyej+Hy066iXKHLAzAE9ypaKJE1kj9RRuI1rv sHdGhkPV2aov6xXn0hL0Reaf+xTqGzxsVhMtvpYZZUyMwkdYL0UFlk3SIBLcqMyt 6pzvhkhtWRuVbvyULZrqKoVHkxnjny/B/uWsqiQrWMTb9zif3kKyA/Z+/C3xCtMy 1zNR4qvzrh05+ElTCIm9RnNUSMnmGmv7HZOJOUGjGMqzzthW/nXnGPmcHgbQ22eY 5qqvzDdaJz24lkbQLKKGsknu98SivJuFp24MPazs64Ilnfjz3oPT4F7PvvuINtKs vV5usjr6QzutshzQC1c6y6cnmrXJq8P33Z2gCNreeEc2foR/rJQA53P5lFU8Tenq MfWB+VxcWI1Woth33HfISYalWr53jSjUENJvuPKMBhiUq5RBjvk/G6S0jvZPw72U ut0EgOxJF4XfR5WjVc2nyN6n9ijZQCu3/VhNeK9SG1Q5AfyxcZPYTLFsjLdMvmwB Gjurk0WmPdh2Xsh3M6d6oGDedLh3rzNo6mQ+cxKnSxUnxg912CIpSvmSccFAmk4p kn7OwQb1VP68uCt4dmTpqi+nK0y0vMlD6ujAg2y8dPjBu+QOgtI= =aULl -----END PGP SIGNATURE-----
