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December 7, 2017 22:27
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| About the security content of tvOS 11.2 | |
| This document describes the security content of tvOS 11.2. | |
| About Apple security updates | |
| For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page. | |
| For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key. | |
| Apple security documents reference vulnerabilities by CVE-ID when possible. | |
| tvOS 11.2 | |
| Released December 4, 2017 | |
| 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: Multiple validation issues were 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 | |
| Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information. Other company and product names may be trademarks of their respective owners. | |
| Published Date: Dec 6, 2017 |
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