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APPLE-SA-2017-07-19-4 tvOS 10.2.2

tvOS 10.2.2 is now available and addresses the following:

Contacts
Available for:  Apple TV (4th generation)
Impact: A remote attacker may be able to cause unexpected application
termination or arbitrary code execution
Description: A buffer overflow issue was addressed through improved
memory handling.
CVE-2017-7062: Shashank (@cyberboyIndia)

CoreAudio
Available for:  Apple TV (4th generation)
Impact: Processing a maliciously crafted movie file may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
bounds checking.
CVE-2017-7008: Yangkang (@dnpushme) of Qihoo 360 Qex Team

IOUSBFamily
Available for:  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-2017-7009: shrek_wzw of Qihoo 360 Nirvan Team

Kernel
Available for:  Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
system privileges
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-7022: an anonymous researcher
CVE-2017-7024: an anonymous researcher
CVE-2017-7026: an anonymous researcher

Kernel
Available for:  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-2017-7023: an anonymous researcher
CVE-2017-7025: an anonymous researcher
CVE-2017-7027: an anonymous researcher
CVE-2017-7069: Proteas of Qihoo 360 Nirvan Team

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-2017-7028: an anonymous researcher
CVE-2017-7029: an anonymous researcher

libarchive
Available for:  Apple TV (4th generation)
Impact: Unpacking a maliciously crafted archive may lead to arbitrary
code execution
Description: A buffer overflow was addressed through improved bounds
checking.
CVE-2017-7068: found by OSS-Fuzz

libxml2
Available for:  Apple TV (4th generation)
Impact: Parsing a maliciously crafted XML document may lead to
disclosure of user information
Description: An out-of-bounds read was addressed through improved
bounds checking.
CVE-2017-7010: Apple
CVE-2017-7013: found by OSS-Fuzz

libxpc
Available for:  Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
system privileges
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-7047: Ian Beer of Google Project Zero

WebKit
Available for:  Apple TV (4th generation)
Impact: A malicious website may exfiltrate data cross-origin
Description: Processing maliciously crafted web content may allow
cross-origin data to be exfiltrated by using SVG filters to conduct a
timing side-channel attack. This issue was addressed by not painting
the cross-origin buffer into the frame that gets filtered.
CVE-2017-7006: David Kohlbrenner of UC San Diego, an anonymous
researcher

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-2017-7018: lokihardt of Google Project Zero
CVE-2017-7020: likemeng of Baidu Security Lab
CVE-2017-7030: chenqin of Ant-financial Light-Year Security Lab
(eeeaea*'ae-aa1'a(r)a"a(r)eaa(r)$?)
CVE-2017-7034: chenqin of Ant-financial Light-Year Security Lab
(eeeaea*'ae-aa1'a(r)a"a(r)eaa(r)$?)
CVE-2017-7037: lokihardt of Google Project Zero
CVE-2017-7039: Ivan Fratric of Google Project Zero
CVE-2017-7040: Ivan Fratric of Google Project Zero
CVE-2017-7041: Ivan Fratric of Google Project Zero
CVE-2017-7042: Ivan Fratric of Google Project Zero
CVE-2017-7043: Ivan Fratric of Google Project Zero
CVE-2017-7046: Ivan Fratric of Google Project Zero
CVE-2017-7048: Ivan Fratric of Google Project Zero
CVE-2017-7052: cc working with Trend Micro's Zero Day Initiative
CVE-2017-7055: The UK's National Cyber Security Centre (NCSC)
CVE-2017-7056: lokihardt of Google Project Zero
CVE-2017-7061: lokihardt of Google Project Zero

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content with DOMParser may
lead to cross site scripting
Description: A logic issue existed in the handling of DOMParser. This
issue was addressed with improved state management.
CVE-2017-7038: Neil Jenkins of FastMail Pty Ltd, Egor Karbutov
(@ShikariSenpai) of Digital Security and Egor Saltykov
(@ansjdnakjdnajkd) of Digital Security
CVE-2017-7059: an anonymous researcher

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 through
improved memory handling.
CVE-2017-7049: Ivan Fratric of Google Project Zero

WebKit Page Loading
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-2017-7019: Zhiyang Zeng of Tencent Security Platform Department

Wi-Fi
Available for:  Apple TV (4th generation)
Impact: An attacker within range may be able to execute arbitrary
code on the Wi-Fi chip
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-9417: Nitay Artenstein of Exodus Intelligence

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/
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