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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3123 APPLE-SA-2017-12-6-4 tvOS 11.2 7 December 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: tvOS Publisher: Apple Operating System: Mac OS Impact/Access: Root Compromise -- Existing Account Access Privileged Data -- Remote/Unauthenticated Denial of Service -- Existing Account Provide Misleading Information -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-13876 CVE-2017-13869 CVE-2017-13868 CVE-2017-13867 CVE-2017-13865 CVE-2017-13862 CVE-2017-13861 CVE-2017-13855 CVE-2017-13833 CVE-2017-13080 Reference: ESB-2017.3120 ESB-2017.3121 ESB-2017.3122 Original Bulletin: https://support.apple.com/en-au/HT208327 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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 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: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. 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: 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 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----- iQJdBAEBCgBHFiEEcuX4rtoRe4X62yWlg6PvjDRstEYFAlooN+kpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQg6PvjDRstEZUug// RGywQvg+ks1/IDLXTWLlGUuXJIaAr0Gtkd6iToG+x9GdwwWVkwxMJhS/7GxqRbOt eg8o81VGO6tWYKh2LIuHTpc7s7/vYT3icFM794ghwsgq7uyPp8nF5AWcT29ne2C/ lV+rcpo/fWExVa5wFCb9lkDzTOStqhDO33zbhrcCs9P5cjCE+aPaSeqdOi50/BlZ /LmlOIUAPpAr5k5DeuAxO93KzVSFFQF7cT9oH7f+2SVsWyW1+K6QKuKjaeNjA7nk Ff3vGOCJsHpjnWK2E1JEZUunWwXcoSNhFfLSMQMxaIrZRu02THn4aeCmerzC9mr0 eJDWCijsvnJXBMgeqcdlRmx2aaN//NCUU9vE6Uwpg6whjSb6/s48iyj4Lc/8aKO7 5TEOqMJu3JmzP2dTvVRtxQVfnsgOm/YHw5qHJepG8nHbZCq2GBFRsS1jc7+9PZ81 V206C97GQAlcDQlv1T+oMnwaDJJ0rwfRIeEXQXaTloHUt5sQU3MeBBXH2NL2ZsPD 4bxTz5BPshi07fkqmDXQ3pTxztaorD25l4vt4e1KF20JH4R75ijZWe1HpNMC3UqA Mi+Lv8Wq2SkS7URBtlT+WxO8S7aZO1SPFBXjtUhwAfc/NHodP4cnyYkacGvYwPhm 5jHu7bnSkO9BmQnCYKSkxMHOrOPxYZjHMUISFC6M4CA= =OsEg - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWiiD0Yx+lLeg9Ub1AQjAYg/+MYka/zhJA9JjheC0JBmdhy8u69MxDmaJ 8aiivrgFWa24M2UvaJvXO/FV6SSToPaT5e4cB2bD/gRvIAuSLz4qM1Nro5+Ta1t9 dJ8Sh29erBN/tRLREjeqwUq5GmcU+aYZ8E428StTkOk+WKsKMkCSDPvRXnXGwaeZ vCptOnnZRR7yQ7iMOhgdmYfUeRLfdRcCszn/MgGF6kN+zTL+cyLx0XUNIERHQfZA VrMOq7Jo4kOoQeJp1m5QhJkOA+3nUqUgUnSq/6Azu6CkUWpENM53TtgAv9PnvTe6 UDxHWBxFfTyTlLqhshmfZGGIiR5MTSPK+JCUh2t6maF9n7xeH7G653xQNCfYwb8C +/KDDDZZBbWbaKy1WyFlJlGP5dzitHwg0rSRnoGDAQVmjHKU96ppFhLvFA+bZ6Jt bY6cn8ChG2CVkSdzT7r/NnGHbdlWaaomBKAAmYEmPRobOh55naado3WpHtaGXHxi aqK7wJ9PvaGqufW6iIJ+BYNldHUNhUqoiaovXDbKltGry0tfQBI5+ElCMQ6OoQWn C2T9i/GKX391uXc9jI2q4ITacAsFnB1ebxB8KSljD+gxLMD1G3GAwtLsrI+CjtdO RRbF6UKrJ/UbLQkxQw0e35pQZLRxc+4iSoftprLMZQ8aZO3MSFT39qIcCEUDOS+P w1x7tZ0WcK4= =l/NS -----END PGP SIGNATURE-----