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APPLE-SA-2017-05-15-3 tvOS 10.2.1

tvOS 10.2.1 is now available and addresses the following:

AVEVideoEncoder
Available for:  Apple TV (4th generation)
Impact: An application may be able to gain kernel privileges
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-6989: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

CoreAudio
Available for:  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-2017-2502: Yangkang (@dnpushme) of Qihoo360 Qex Team

IOSurface
Available for:  Apple TV (4th generation)
Impact: An application may be able to gain kernel privileges
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-6979: Adam Donenfeld of Zimperium zLabs

Kernel
Available for:  Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A race condition was addressed through improved locking.
CVE-2017-2501: Ian Beer of Google Project Zero

Kernel
Available for:  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-2017-2507: Ian Beer of Google Project Zero
CVE-2017-6987: Patrick Wardle of Synack

SQLite
Available for:  Apple TV (4th generation)
Impact: A maliciously crafted SQL query may lead to arbitrary code
execution
Description: A use after free issue was addressed through improved
memory management.
CVE-2017-2513: found by OSS-Fuzz

SQLite
Available for:  Apple TV (4th generation)
Impact: A maliciously crafted SQL query may lead to arbitrary code
execution
Description: A buffer overflow issue was addressed through improved
memory handling.
CVE-2017-2518: found by OSS-Fuzz
CVE-2017-2520: found by OSS-Fuzz

SQLite
Available for:  Apple TV (4th generation)
Impact: A maliciously crafted SQL query may lead to arbitrary code
execution
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-2519: found by OSS-Fuzz

TextInput
Available for:  Apple TV (4th generation)
Impact: Parsing maliciously crafted data may lead to arbitrary code
execution
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-2524: Ian Beer of Google Project Zero

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting
Description: A logic issue existed in the handling of WebKit Editor
commands. This issue was addressed with improved state management.
CVE-2017-2504: lokihardt of Google Project Zero

WebKit
Available for:  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-2017-2505: lokihardt of Google Project Zero
CVE-2017-2506: Zheng Huang of the Baidu Security Lab working with
Trend Microas Zero Day Initiative
CVE-2017-2515: lokihardt of Google Project Zero
CVE-2017-2521: lokihardt of Google Project Zero
CVE-2017-2525: Kai Kang (4B5F5F4B) of Tencentas Xuanwu Lab (
tencent.com) working with Trend Microas Zero Day Initiative
CVE-2017-2530: Wei Yuan of Baidu Security Lab
CVE-2017-2531: lokihardt of Google Project Zero
CVE-2017-6980: lokihardt of Google Project Zero
CVE-2017-6984: lokihardt of Google Project Zero

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues with addressed through
improved memory handling.
CVE-2017-2536: Samuel GroA and Niklas Baumstark working with Trend
Micro's Zero Day Initiative

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting
Description: A logic issue existed in frame loading. This issue was
addressed with improved state management.
CVE-2017-2549: lokihardt of Google Project Zero

WebKit Web Inspector
Available for:  Apple TV (4th generation)
Impact: An application may be able to execute unsigned code
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-2499: George Dan (@theninjaprawn)

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.a

To check the current version of software, select
"Settings -> General -> About.a

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/
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