-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 APPLE-SA-2017-12-13-7 Additional information for APPLE-SA-2017-12-6-4 tvOS 11.2 tvOS 11.2 addresses the following: IOSurface 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-2017-13861: Ian Beer of Google Project Zero 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-2017-13862: Apple CVE-2017-13876: Ian Beer of Google Project Zero CVE-2017-13867: Ian Beer of Google Project Zero Kernel 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-2017-13833: Brandon Azad Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to read restricted memory Description: A type confusion issue was addressed with improved memory handling. CVE-2017-13855: Jann Horn of Google Project Zero Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13865: Ian Beer of Google Project Zero CVE-2017-13868: Brandon Azad CVE-2017-13869: Jann Horn of Google Project Zero 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-2017-7156: an anonymous researcher CVE-2017-7157: an anonymous researcher CVE-2017-13856: Jeonghoon Shin CVE-2017-13870: an anonymous researcher CVE-2017-13866: an anonymous researcher Entry added December 13, 2017 Wi-Fi Available for: Apple TV (4th generation) Released for Apple TV 4K in tvOS 11.1. Impact: An attacker in Wi-Fi range may force nonce reuse in WPA multicast/GTK clients (Key Reinstallation Attacks - KRACK) Description: A logic issue existed in the handling of state transitions. This was addressed with improved state management. CVE-2017-13080: Mathy Vanhoef of the imec-DistriNet group at KU Leuven 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----- iQJdBAEBCgBHFiEEcuX4rtoRe4X62yWlg6PvjDRstEYFAloxpFopHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQg6PvjDRstEYA7xAA rS/mqu8UXd7eap0Doz7R4W40l1/OOcvI4Y19Krifw4WdfO9+xN9zHDaOrFzWmzSw CQ55aclEgkk2CDGbuMmVtiKstFzZ2sBrRVygYx9wd1/u1eDpHINNglYVP0cMHeVl RUbrgLgysOkNG9z/ExRK2XrJg7bhcK2grY8wBRaBmIgtfD3u53iNbG1kkEQOBDC3 wfFcO7lZjTQ6k7Sq6dHB7wv0iwwNZKP7JpQ55g70De1dUy8YSecirD4ox2IFYw3m 95EWslKrhRzbX76Pnbqv5Kc9aUEuY4FHR+MuaeAF3hZ5ilixsB2fKYn4eT23R8bu H4yors9ROlKmt7ka96MnbRbPwtF9iSxam0TADQGhmoBdGz7w7C2EesZCNELrftuD xW7pWcnPGKf/Lk3JCstlCWs/h3UK9XkbiGXyRlB9crY7O6xitmoHE6i/m7gJhrrS W013CESh/N5TZu1KH2vjRABb6UqOOFFTSRXZewYrO3TAjFs+w2GUHsAzXoBgeZN5 7Txzx6PcHQkpqvXCPer31GzU19BAJOZHFXXRG+knd5iSoPJOWJ0Pnl+bhjV9hgDy W+rW7nfLYV9cKxNjOAqFZ/zPPd8L5P5dxLY2+wdiIyXn3Oju0qaotZlAZIH5yfd7 fCipgGx+j/2bCuxoXDxHpeauC/sXVXnaqqYViroAnT8= =ZFwH -----END PGP SIGNATURE-----
