-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2019-12-10-5 tvOS 13.3 tvOS 13.3 is now available and addresses the following: CFNetwork Proxies Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to gain elevated privileges Description: This issue was addressed with improved checks. CVE-2019-8848: Zhuo Liang of Qihoo 360 Vulcan Team FaceTime Available for: Apple TV 4K and Apple TV HD Impact: Processing malicious video via FaceTime may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2019-8830: Natalie Silvanovich of Google Project Zero IOUSBDeviceFamily Available for: Apple TV 4K and Apple TV HD 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-2019-8836: Xiaolong Bai and Min (Spark) Zheng of Alibaba Inc. and Luyi Xing of Indiana University Bloomington Kernel Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed by removing the vulnerable code. CVE-2019-8833: Ian Beer of Google Project Zero Kernel Available for: Apple TV 4K and Apple TV HD 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-2019-8828: Cim Stordal of Cognite CVE-2019-8838: Dr Silvio Cesare of InfoSect libexpat Available for: Apple TV 4K and Apple TV HD Impact: Parsing a maliciously crafted XML file may lead to disclosure of user information Description: This issue was addressed by updating to expat version 2.2.8. CVE-2019-15903: Joonun Jang Security Available for: Apple TV 4K and Apple TV HD 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-2019-8832: Insu Yun of SSLab at Georgia Tech 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-2019-8835: Anonymous working with Trend Micro's Zero Day Initiative, Mike Zhang of Pangu Team CVE-2019-8844: William Bowling (@wcbowling) WebKit Available for: Apple TV 4K and Apple TV HD 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-2019-8846: Marcin Towalski of Cisco Talos Additional recognition Core Data We would like to acknowledge Natalie Silvanovich of Google Project Zero 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----- iQIzBAEBCAAdFiEEM5FaaFRjww9EJgvRBz4uGe3y0M0FAl3wFqwACgkQBz4uGe3y 0M3XDA/+KcTZ8q9kf6Ww2MsArDdEhxgu+rYanDm3hK/2ivxj0rQ9uMFMFb7Lfr6G gHfZX9m740noDWVz4nGHtAyC925jB/z/ge6kaWklrUZX6JRl46DC9p+EwU4syyPL mFOtzTO7Otz+MVXJnt9zUJwpF7TeE210fC2rWGVENf0F+R+Q7ETRdRYCP/DqVO0S 11Yg0ZcWwDXt9NjukhT9s/KDFgGP2HbCmb7f1q8vGUAoYa3uQ/Zg8UNicnM8cIMV 1vmwWmOmpKuiA2eJjSTmPahx2Isa3h3bDYFJU63MY0H5a1X37UuUUS/zg1rdOXnR YwBPCnYOl3hUDRLL0BCabdvHBnckwOMkBpxVRReSsdkp7HzspSXZAZoCFYm9K4Fn DLbwX7m2KeugfX0kOIhtZBamnz76vUQ5jDF0wGLdVRd1YETgSGT9iOswDt4ju6e/ b3tqV/MbcHERdDQDS31FS0XP+nPBcEpFop8Oyeqh33K9PTFvE5WtiJX2hXS9WVL9 MgIQbBDPB59DULP1zOw4t7uzeeHH9IVZT7LgOVWQsLDJjGeRXSjMmUJZ8rPyxUVq oyOcOsCBXv2Wxe8BVCNe4hlZzOPxhJe8fKvfpx4jUYvf2ztZw73Z2K+oPIh8Y43W KbbooNJa9YH7hzAFNoF8XaADGFa+5YsGtsEeT2kt8slB+KafBeg= =SMHV -----END PGP SIGNATURE-----
