-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2019-3-25-3 tvOS 12.2 tvOS 12.2 is now available and addresses the following: CFString Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing a maliciously crafted string may lead to a denial of service Description: A validation issue was addressed with improved logic. CVE-2019-8516: SWIPS Team of Frifee Inc. configd Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to elevate privileges Description: A memory initialization issue was addressed with improved memory handling. CVE-2019-8552: Mohamed Ghannam (@_simo36) CoreCrypto Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to elevate privileges Description: A buffer overflow was addressed with improved bounds checking. CVE-2019-8542: an anonymous researcher file Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing a maliciously crafted file might disclose user information Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-6237: an anonymous researcher Foundation Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to gain elevated privileges Description: A memory corruption issue was addressed with improved input validation. CVE-2019-7286: an anonymous researcher, Clement Lecigne of Google Threat Analysis Group, Ian Beer of Google Project Zero, and Samuel Groß of Google Project Zero GeoServices Available for: Apple TV 4K and Apple TV (4th generation) Impact: Clicking a malicious SMS link may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved validation. CVE-2019-8553: an anonymous researcher iAP Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to elevate privileges Description: A buffer overflow was addressed with improved bounds checking. CVE-2019-8542: an anonymous researcher IOHIDFamily Available for: Apple TV 4K and Apple TV (4th generation) Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: A memory corruption issue was addressed with improved state management. CVE-2019-8545: Adam Donenfeld (@doadam) of the Zimperium zLabs Team Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory Description: A buffer overflow was addressed with improved size validation. CVE-2019-8527: Ned Williamson of Google and derrek (@derrekr6) Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to determine kernel memory layout Description: A memory initialization issue was addressed with improved memory handling. CVE-2019-8540: Weibo Wang (@ma1fan) of Qihoo 360 Nirvan Team Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to gain elevated privileges Description: A logic issue was addressed with improved state management. CVE-2019-8514: Samuel Groß of Google Project Zero Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: A local user may be able to read kernel memory Description: A memory corruption issue was addressed with improved memory handling. CVE-2019-7293: Ned Williamson of Google Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to determine kernel memory layout Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. CVE-2019-6207: Weibo Wang of Qihoo 360 Nirvan Team (@ma1fan) CVE-2019-8510: Stefan Esser of Antid0te UG Power Management Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to execute arbitrary code with system privileges Description: Multiple input validation issues existed in MIG generated code. These issues were addressed with improved validation. CVE-2019-8549: Mohamed Ghannam (@_simo36) of SSD Secure Disclosure (ssd-disclosure.com) Siri Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to initiate a Dictation request without user authorization Description: An API issue existed in the handling of dictation requests. This issue was addressed with improved validation. CVE-2019-8502: Luke Deshotels of North Carolina State University, Jordan Beichler of North Carolina State University, William Enck of North Carolina State University, Costin Carabaș of University POLITEHNICA of Bucharest, and Răzvan Deaconescu of University POLITEHNICA of Bucharest TrueTypeScaler Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing a maliciously crafted font may result in the disclosure of process memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-8517: riusksk of VulWar Corp working with Trend Micro Zero Day Initiative WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A logic issue was addressed with improved validation. CVE-2019-8551: Ryan Pickren (ryanpickren.com) WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved state management. CVE-2019-8535: Zhiyang Zeng (@Wester) of Tencent Blade Team 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-2019-6201: dwfault working with ADLab of Venustech CVE-2019-8518: Samuel Groß of Google Project Zero CVE-2019-8523: Apple CVE-2019-8524: G. Geshev working with Trend Micro Zero Day Initiative CVE-2019-8558: Samuel Groß of Google Project Zero CVE-2019-8559: Apple CVE-2019-8563: Apple WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: A sandboxed process may be able to circumvent sandbox restrictions Description: A memory corruption issue was addressed with improved validation. CVE-2019-8562: Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of Chaitin Security Research Lab WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved memory handling. CVE-2019-8536: Apple CVE-2019-8544: an anonymous researcher WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may disclose sensitive user information Description: A cross-origin issue existed with the fetch API. This was addressed with improved input validation. CVE-2019-8515: James Lee (@Windowsrcer) WebKit Available for: Apple TV 4K and Apple TV (4th generation) 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-2019-7285: dwfault working at ADLab of Venustech CVE-2019-8556: Apple WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A type confusion issue was addressed with improved memory handling. CVE-2019-8506: Samuel Groß of Google Project Zero WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious website may be able to execute scripts in the context of another website Description: A logic issue was addressed with improved validation. CVE-2019-8503: Linus Särud of Detectify WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may result in the disclosure of process memory Description: A validation issue was addressed with improved logic. CVE-2019-7292: Zhunki and Zhiyi Zhang of 360 ESG Codesafe Team XPC Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to overwrite arbitrary files Description: This issue was addressed with improved checks. CVE-2019-8530: CodeColorist of Ant-Financial LightYear Labs Additional recognition Kernel We would like to acknowledge Brandon Azad of Google Project Zero for their assistance. Safari We would like to acknowledge Nikhil Mittal (@c0d3G33k) of Payatu Labs (payatu.com) for their assistance. WebKit We would like to acknowledge Andrey Kovalev of Yandex Security Team 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----- iQJdBAEBCABHFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAlyZM7gpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQeC9tht7TK3EWyBAA nFUeN7oBBPCdezabzgIAh29Mk1K+tgNeH0BIkyyPuoqeYd5UQK9cwZJ7Ww9J7uqB nAH30awuCq8r8h3oLLOn8X9A/ORNxFKUZRF+8AbH00G0taATIFjseSwGwGz5/rG7 aPoi/Mh4ilWh8luQJVvPO7KTHTeJLSsiBOuvqUmDaJVxu1y10inVW3j1s8RtrOVt BR+PZq7/BQ9wsSPxRS2bTQp3BX3m3aleadnZ9HkeXVB/9O8c5TrG6HIgfBNYMJFY mGpQoCM1nCh8jaWmoO1gjP7B0W2DKPhE6jFmCtuRsmnOG3ROhGbXi6T6AOOI9EX3 233FgygUVZgs7t4dhz0UZ1EczQiQ4dL0YYL7J/LYMjaM31qul2cdJWTPb9ZFARFt PHeyU1uHcJ2j67kGt1qepETUfWNa4W/RD3wUmKJdKBED65xOuwv9ijnEcAhzwh4F q6UefOTf1PwszuzWpAi7rCyOWq3TqDF+r6som9j5q15fMPx+TakBA6/TKViWLRw1 ydoi3g2OkKpvgapzBdVAm9Rtcvr4B0uXtLUXL7heB6TP12UheSum817QQiLs4aqV 9syBL5XpFOJUdQPD0SMIzuhvaN2dugH2wc1BDeiv5H8nYvMx6oiebJN8CgJ3uo8Y iJBethq6bdDVq8EfYN6vHCjH7bTFtcaCVgXWq5KJYp8= =8uDf -----END PGP SIGNATURE-----
