-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2019-5-13-3 tvOS 12.3 tvOS 12.3 is now available and addresses the following: AppleFileConduit 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-2019-8593: Dany Lisiansky (@DanyL931) CoreAudio Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted movie file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2019-8585: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative Disk Images Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-8560: Nikita Pupyshev of Bauman Moscow State Technological University Kernel Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to execute arbitrary code with system privileges Description: A use after free issue was addressed with improved memory management. CVE-2019-8605: Ned Williamson working with Google Project Zero Kernel Available for: Apple TV 4K and Apple TV HD Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-8576: Brandon Azad of Google Project Zero, unho Jang and Hanul Choi of LINE Security Team Kernel Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to cause unexpected system termination or write kernel memory Description: A type confusion issue was addressed with improved memory handling. CVE-2019-8591: Ned Williamson working with Google Project Zero MobileInstallation Available for: Apple TV 4K and Apple TV HD Impact: A local user may be able to modify protected parts of the file system Description: A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. CVE-2019-8568: Dany Lisiansky (@DanyL931) MobileLockdown Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to gain root privileges Description: An input validation issue was addressed with improved input validation. CVE-2019-8637: Dany Lisiansky (@DanyL931) SQLite Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to gain elevated privileges Description: An input validation issue was addressed with improved memory handling. CVE-2019-8577: Omer Gull of Checkpoint Research SQLite Available for: Apple TV 4K and Apple TV HD Impact: A maliciously crafted SQL query may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2019-8600: Omer Gull of Checkpoint Research SQLite Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to read restricted memory Description: An input validation issue was addressed with improved input validation. CVE-2019-8598: Omer Gull of Checkpoint Research SQLite Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to elevate privileges Description: A memory corruption issue was addressed by removing the vulnerable code. CVE-2019-8602: Omer Gull of Checkpoint Research sysdiagnose 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-2019-8574: Dayton Pidhirney (@_watbulb) of Seekintoo (@seekintoo) WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may result in the disclosure of process memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2019-8607: Junho Jang and Hanul Choi of LINE Security Team 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-2019-6237: G. Geshev working with Trend Micro Zero Day Initiative, Liu Long of Qihoo 360 Vulcan Team CVE-2019-8571: 01 working with Trend Micro's Zero Day Initiative CVE-2019-8583: sakura of Tencent Xuanwu Lab, jessica (@babyjess1ca_) of Tencent Keen Lab, and dwfault working at ADLab of Venustech CVE-2019-8584: G. Geshev of MWR Labs working with Trend Micro Zero Day Initiative CVE-2019-8586: an anonymous researcher CVE-2019-8587: G. Geshev working with Trend Micro Zero Day Initiative CVE-2019-8594: Suyoung Lee and Sooel Son of KAIST Web Security & Privacy Lab and HyungSeok Han and Sang Kil Cha of KAIST SoftSec Lab CVE-2019-8595: G. Geshev from MWR Labs working with Trend Micro Zero Day Initiative CVE-2019-8596: Wen Xu of SSLab at Georgia Tech CVE-2019-8597: 01 working with Trend Micro Zero Day Initiative CVE-2019-8601: Fluoroacetate working with Trend Micro's Zero Day Initiative CVE-2019-8608: G. Geshev working with Trend Micro Zero Day Initiative CVE-2019-8609: Wen Xu of SSLab, Georgia Tech CVE-2019-8610: Anonymous working with Trend Micro Zero Day Initiative CVE-2019-8611: Samuel Groß of Google Project Zero CVE-2019-8615: G. Geshev from MWR Labs working with Trend Micro's Zero Day Initiative CVE-2019-8619: Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of Chaitin Security Research Lab CVE-2019-8622: Samuel Groß of Google Project Zero CVE-2019-8623: Samuel Groß of Google Project Zero CVE-2019-8628: Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of Chaitin Security Research Lab Wi-Fi Available for: Apple TV 4K and Apple TV HD Impact: A device may be passively tracked by its WiFi MAC address Description: A user privacy issue was addressed by removing the broadcast MAC address. CVE-2019-8620: David Kreitschmann and Milan Stute of Secure Mobile Networking Lab at Technische Universität Darmstadt Additional recognition CoreFoundation We would like to acknowledge Vozzie and Rami and m4bln, Xiangqian Zhang, Huiming Liu of Tencent's Xuanwu Lab for their assistance. Kernel We would like to acknowledge Brandon Azad of Google Project Zero and an anonymous researcher for their assistance. MediaLibrary We would like to acknowledge Angel Ramirez and Min (Spark) Zheng, Xiaolong Bai of Alibaba Inc. for their assistance. MobileInstallation We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) 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----- iQJdBAEBCABHFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAlzZrUgpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQeC9tht7TK3GBThAA jNV8NBaA2eaiKc6vQQ9iV+9hBJ7H6cbMKMFuaHgmqDLUAdDJE99+BWu2EKOoovxE Lcp1AMUwbqqj9cXwWjMjdpUvl/0mvQX4/dMPRNlOl5HPhjMDGhWlYZlpFQp8EycZ ChlP+nSzq7eDxEfooiwcGrN11PgK09ubjFfBF0qUh/dw4NuBuPXf4WVVaIHm6cIt wvlcAKG3fWYLQK4RVZqd8XE5yd7BR+sFXsKBePUc9JWW8+VyOVgJuiF/SWdcAmLt QitdwJcLvfWeqJ/WTjzH4vfHbkW+sI2ziSGr+s3KCNm/11cVPQWR5yiAhfJYfji2 VvojPeIY82UmcIgupaOgyipYACjtWw03K716mrE3CHnspRb84pqSXcD7BcCu+Rci MmQwG/Wh7NtefkFLGT+uu8qXyWonSMDyb0KNN+MtVzi/lW5JQMg+QMEyssRYzk4W jk8Wk3riDve134jfBGvEB3S6I9qfC3YJI1yEgHccPnawKjmuCgQN3tpVWCO5hxgo irQLBT4XGNvDBn1ucupRpIkWPgGDi8PA/9HdycYMJVH+t7cI9vyHckpDSqPZQ26M HP9nambO8g/5FPo/F4SDcbrNnV6PMLEd0i8CbmBpnZR3ALwIYV4wVVGCCT16gLQb RDrhcrWdDe+eK0T/+tGzUt44AWb/PEHK4BKE9HP+WkY= =D9gv -----END PGP SIGNATURE-----
