site_archiver@lists.apple.com Delivered-To: security-announce@lists.apple.com -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2022-05-16-6 tvOS 15.5 tvOS 15.5 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT213254. AppleAVD Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2022-26702: an anonymous researcher AppleAVD Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited. Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2022-22675: an anonymous researcher AuthKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A local user may be able to enable iCloud Photos without authentication Description: An authentication issue was addressed with improved state management. CVE-2022-26724: Jorge A. Caballero (@DataDrivenMD) AVEVideoEncoder Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2022-26736: an anonymous researcher CVE-2022-26737: an anonymous researcher CVE-2022-26738: an anonymous researcher CVE-2022-26739: an anonymous researcher CVE-2022-26740: an anonymous researcher DriverKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious application may be able to execute arbitrary code with system privileges Description: An out-of-bounds access issue was addressed with improved bounds checking. CVE-2022-26763: Linus Henze of Pinauten GmbH (pinauten.de) ImageIO Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: An integer overflow was addressed with improved input validation. CVE-2022-26711: actae0n of Blacksun Hackers Club working with Trend Micro Zero Day Initiative IOKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved locking. CVE-2022-26701: chenyuwang (@mzzzz__) of Tencent Security Xuanwu Lab IOMobileFrameBuffer Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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 state management. CVE-2022-26768: an anonymous researcher IOSurfaceAccelerator Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2022-26771: an anonymous researcher Kernel Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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 validation. CVE-2022-26714: Peter Nguyễn Vũ Hoàng (@peternguyen14) of STAR Labs (@starlabs_sg) Kernel Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2022-26757: Ned Williamson of Google Project Zero Kernel Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations Description: A memory corruption issue was addressed with improved validation. CVE-2022-26764: Linus Henze of Pinauten GmbH (pinauten.de) Kernel Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication Description: A race condition was addressed with improved state handling. CVE-2022-26765: Linus Henze of Pinauten GmbH (pinauten.de) LaunchServices Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A sandboxed process may be able to circumvent sandbox restrictions Description: An access issue was addressed with additional sandbox restrictions on third-party applications. CVE-2022-26706: Arsenii Kostromin (0x3c3e) libxml2 Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2022-23308 Security Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious app may be able to bypass signature validation Description: A certificate parsing issue was addressed with improved checks. CVE-2022-26766: Linus Henze of Pinauten GmbH (pinauten.de) WebKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: Processing maliciously crafted web content may lead to code execution Description: A memory corruption issue was addressed with improved state management. WebKit Bugzilla: 238178 CVE-2022-26700: ryuzaki WebKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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. WebKit Bugzilla: 236950 CVE-2022-26709: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab WebKit Bugzilla: 237475 CVE-2022-26710: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab WebKit Bugzilla: 238171 CVE-2022-26717: Jeonghoon Shin of Theori WebKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved state management. WebKit Bugzilla: 238183 CVE-2022-26716: SorryMybad (@S0rryMybad) of Kunlun Lab WebKit Bugzilla: 238699 CVE-2022-26719: Dongzhuo Zhao working with ADLab of Venustech Wi-Fi Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious application may disclose restricted memory Description: A memory corruption issue was addressed with improved validation. CVE-2022-26745: an anonymous researcher Additional recognition AppleMobileFileIntegrity We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance. WebKit We would like to acknowledge James Lee, an anonymous researcher for their assistance. 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." All information is also posted on the Apple Security Updates web site: https://support.apple.com/en-us/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----- iQIzBAEBCAAdFiEEePiLW1MrMjw19XzoeC9qKD1prhgFAmKC1TcACgkQeC9qKD1p rhiw7BAAy82XZ2+vjnjFB1FrZ7ZnKtM4pz8MMpX4ZTD2ytgkwXi0qnyzBdMe/w4p zrpedL4p/RfdDOiM/4kWBtiH62qetiXDcE8tBqN8WTE9rf55cX4jlXrHASohFI2q ErkAjo51j2fg8S7a+luyaZWzBUZqlghtzWjtFgaHOQAP5dDf+He92kDerbrIDQw9 dg0nL4os0VFgWdX0EtFC7umK8iiTFbvtoEbLDLFODWweaJN8LOP/LHe71YzAryKg Dh9ItWqVdzkCOKWR8F96NnoBs7c6B4naqQkS4k2F/m6C6ckPb8LI18ss7oiD3eMB k7oo7+u1zQFRKmk0XlfH7awxtEHjYjjw3LT8ko9QJ8mEuspxoiwW7n1mINWa7Khp YoCe88xR06kfti4h6MJDSN6JpxSnikEyJzR4j4xGL6rWjqCj+XV9ejrt9EgF8BL2 JZ+Oceoh23m7IqVoMe1Hzjf1X3nsxXJQEg/xxRwHRknAjSNtVJUKhT4/ioOc9pu6 TROAHYdSO5yRLNUNpj9RlkBeDbXtiWgA2IEg0wcUPzwf3Uzt2Qw9zBFbMb1hPSht 7zTIOtF4Ub+MD6cFuHbC7hL58pRmA4FzEczLG81BoGGaFOCD2QDt0/ySTFr1M+YD g2L2PlZNgxd0zetkTkZbvAwroMUTRSi1GqxAhVeKwbvW4XAN+yc= =G3ho -----END PGP SIGNATURE----- _______________________________________________ Do not post admin requests to the list. 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