-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2018-7-9-3 tvOS 11.4.1 tvOS 11.4.1 is now available and addresses the following: CFNetwork Available for: Apple TV 4K and Apple TV (4th generation) Impact: Cookies may unexpectedly persist in Safari Description: A cookie management issue was addressed with improved checks. CVE-2018-4293: an anonymous researcher Kernel Available for: Apple TV 4K and Apple TV (4th generation) Impact: A local user may be able to read kernel memory Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. CVE-2018-4282: Proteas of Qihoo 360 Nirvan Team libxpc 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 memory handling. CVE-2018-4280: Brandon Azad libxpc Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2018-4248: Brandon Azad LinkPresentation Available for: Apple TV 4K and Apple TV (4th generation) Impact: Visiting a malicious website may lead to address bar spoofing Description: A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. CVE-2018-4277: xisigr of Tencent's Xuanwu Lab (tencent.com) WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4270: found by OSS-Fuzz WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious website may exfiltrate audio data cross-origin Description: Sound fetched through audio elements may be exfiltrated cross-origin. This issue was addressed with improved audio taint tracking. CVE-2018-4278: Jun Kokatsu (@shhnjk) 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-2018-4284: Found by OSS-Fuzz WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious website may be able to cause a denial of service Description: A race condition was addressed with additional validation. CVE-2018-4266: found by OSS-Fuzz 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-2018-4261: Omair working with Trend Micro's Zero Day Initiative CVE-2018-4262: Mateusz Krzywicki working with Trend Micro's Zero Day Initiative CVE-2018-4263: Arayz working with Trend Micro's Zero Day Initiative CVE-2018-4264: found by OSS-Fuzz, Yu Zhou and Jundong Xie of Ant-financial Light-Year Security Lab CVE-2018-4265: cc working with Trend Micro's Zero Day Initiative CVE-2018-4267: Arayz of Pangu team working with Trend Micro's Zero Day Initiative CVE-2018-4272: found by OSS-Fuzz WebKit Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash Description: Multiple memory corruption issues were addressed with improved input validation. CVE-2018-4271: found by OSS-Fuzz CVE-2018-4273: found by OSS-Fuzz Additional recognition Kernel We would like to acknowledge juwei lin (@panicaII) of Trend Micro working with Trend Micro's Zero Day Initiative 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----- iQJdBAEBCABHFiEEfcwwPWJ3e0Ig26mf8ecVjteJiCYFAltDyFIpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQ8ecVjteJiCbGSQ/9 EB9rnBmzuhPOQBY4qZpl6x9iIDvIHFGDYpZ5e1KqAMJ50wcA6JdaZCZerq+XRKga YnR5TmXVhOGI+gMu5gmMMOrqu43O3uXVAVVfqItHDOnt4fLZVcHsVkjr+19Ue+nY 24SRIKWDVldqjrhJX0YyJ1V/UGbwodK5B5qm7ZMcJMMwNB8pII8MnIIx513Xv7Qx 5pSrerwraCOhZkHOQ5jMSex2qniLGdtLwEaLfCCYEgRJHB44U1SDtYKGzHvWkPeN vEFf7YOz58ejjsP6flYFKPdCXtLHhK1BXeXPEl2zN7ghef/6KVhljx84lJExhGDz WRfep8HpK3QraFqhW2M7lMBCl7oz8H25M7QAniQ5RQRG3jiM/xBZ9O3RRNJG43uJ gZ7M0QUHE6fTvfMa/XKAj93gisRhyZdSZPLN6o3cekyxjdVPAFGUXF6cuT8pq87/ bD4Sf1JhbcMYNiAY6kVf+UCSubB5aGTwg4e8fvvDmeTImU9bwtdvd3NWPkDSH7U+ I/FMlfEUd4dALCOQK/xEVIo00+6dNm40H2BSmjTecNsxmPcl+sUrcrj4VQqi9n26 H3OuRay6A8q+W1y/7a+pGR8ZUGY2Sd3aCl295J6S0iTWxOopefpYGltv7HUgXHSD wrLvX91VWNttVXlBShHP8ItcgFnjsGnisjP3XGfAFgI= =fxoF -----END PGP SIGNATURE-----
