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Apple Security Advisory 2016-12-13-6

Apple Security Advisory 2016-12-13-6
Posted Dec 14, 2016
Authored by Apple | Site apple.com

Apple Security Advisory 2016-12-13-6 - This advisory provides additional information in regards to tvOS 10.1 fixes as originally documented in APPLE-SA-2016-12-12-3.

tags | advisory
systems | apple
advisories | CVE-2016-4688, CVE-2016-4691, CVE-2016-4692, CVE-2016-4693, CVE-2016-4743, CVE-2016-7586, CVE-2016-7587, CVE-2016-7588, CVE-2016-7589, CVE-2016-7591, CVE-2016-7594, CVE-2016-7595, CVE-2016-7598, CVE-2016-7599, CVE-2016-7606, CVE-2016-7607, CVE-2016-7610, CVE-2016-7611, CVE-2016-7612, CVE-2016-7615, CVE-2016-7616, CVE-2016-7619, CVE-2016-7621, CVE-2016-7626, CVE-2016-7627, CVE-2016-7632, CVE-2016-7635, CVE-2016-7636
MD5 | 9219b5cf77b5db9584c646ca1151492d

Apple Security Advisory 2016-12-13-6

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APPLE-SA-2016-12-13-6 Additional information for
APPLE-SA-2016-12-12-3 tvOS 10.1

tvOS 10.1 addresses the following:

Audio
Available for: Apple TV (4th generation)
Impact: Processing a maliciously crafted file may lead to arbitrary
code execution
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2016-7658: Haohao Kong of Keen Lab (@keen_lab) of Tencent
CVE-2016-7659: Haohao Kong of Keen Lab (@keen_lab) of Tencent
Entry added December 13, 2016

CoreFoundation
Available for: Apple TV (4th generation)
Impact: Processing malicious strings may lead to an unexpected
application termination or arbitrary code execution
Description: A memory corruption issue existed in the processing of
strings. This issue was addressed through improved bounds checking.
CVE-2016-7663: an anonymous researcher
Entry added December 13, 2016

CoreGraphics
Available for: Apple TV (4th generation)
Impact: Processing a maliciously crafted font file may lead to
unexpected application termination
Description: A null pointer dereference was addressed through
improved input validation.
CVE-2016-7627: TRAPMINE Inc. & Meysam Firouzi @R00tkitSMM
Entry added December 13, 2016

CoreMedia External Displays
Available for: Apple TV (4th generation)
Impact: A local application may be able to execute arbitrary code in
the context of the mediaserver daemon
Description: A type confusion issue was addressed through improved
memory handling.
CVE-2016-7655: Keen Lab working with Trend Micro's Zero Day
Initiative
Entry added December 13, 2016

CoreMedia Playback
Available for: Apple TV (4th generation)
Impact: Processing a maliciously crafted .mp4 file may lead to
arbitrary code execution
Description: A memory corruption issue was addressed through improved
memory handling.
CVE-2016-7588: dragonltx of Huawei 2012 Laboratories
Entry added December 13, 2016

CoreText
Available for: Apple TV (4th generation)
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: Multiple memory corruption issues existed in the
handling of font files. These issues were addressed through improved
bounds checking.
CVE-2016-7595: riusksk(ae3aY=) of Tencent Security Platform
Department
Entry added December 13, 2016

Disk Images
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 through improved
input validation.
CVE-2016-7616: daybreaker@Minionz working with Trend Micro's Zero Day
Initiative
Entry added December 13, 2016

FontParser
Available for: Apple TV (4th generation)
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: Multiple memory corruption issues existed in the
handling of font files. These issues were addressed through improved
bounds checking.
CVE-2016-4691: riusksk(ae3aY=) of Tencent Security Platform
Department
Entry added December 13, 2016

FontParser
Available for: Apple TV (4th generation)
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: A buffer overflow existed in the handling of font files.
This issue was addressed through improved bounds checking.
CVE-2016-4688: Simon Huang of Alipay company,
thelongestusernameofall@gmail.com
Entry added December 13, 2016

ICU
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed through improved
memory handling.
CVE-2016-7594: AndrA(c) Bargull
Entry added December 13, 2016

ImageIO
Available for: Apple TV (4th generation)
Impact: A remote attacker may be able to leak memory
Description: An out-of-bounds read was addressed through improved
bounds checking.
CVE-2016-7643: Yangkang (@dnpushme) of Qihoo360 Qex Team
Entry added December 13, 2016

IOHIDFamily
Available for: Apple TV (4th generation)
Impact: A local application with system privileges may be able to
execute arbitrary code with kernel privileges
Description: A use after free issue was addressed through improved
memory management.
CVE-2016-7591: daybreaker of Minionz
Entry added December 13, 2016

IOKit
Available for: Apple TV (4th generation)
Impact: An application may be able to read kernel memory
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2016-7657: Keen Lab working with Trend Micro's Zero Day
Initiative
Entry added December 13, 2016

Kernel
Available for: Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: Multiple memory corruption issues were addressed through
improved input validation.
CVE-2016-7606: @cocoahuke, Chen Qin of Topsec Alpha Team (topsec.com)
CVE-2016-7612: Ian Beer of Google Project Zero
Entry added December 13, 2016

Kernel
Available for: Apple TV (4th generation)
Impact: An application may be able to read kernel memory
Description: An insufficient initialization issue was addressed by
properly initializing memory returned to user space.
CVE-2016-7607: Brandon Azad
Entry added December 13, 2016

Kernel
Available for: Apple TV (4th generation)
Impact: A local user may be able to cause a system denial of service
Description: A denial of service issue was addressed through improved
memory handling.
CVE-2016-7615: The UK's National Cyber Security Centre (NCSC)
Entry added December 13, 2016

Kernel
Available for: Apple TV (4th generation)
Impact: A local user may be able to cause an unexpected system
termination or arbitrary code execution in the kernel
Description: A use after free issue was addressed through improved
memory management.
CVE-2016-7621: Ian Beer of Google Project Zero
Entry added December 13, 2016

Kernel
Available for: Apple TV (4th generation)
Impact: A local user may be able to gain root privileges
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2016-7637: Ian Beer of Google Project Zero
Entry added December 13, 2016

libarchive
Available for: Apple TV (4th generation)
Impact: A local attacker may be able to overwrite existing files
Description: A validation issue existed in the handling of symlinks.
This issue was addressed through improved validation of symlinks.
CVE-2016-7619: an anonymous researcher
Entry added December 13, 2016

Power Management
Available for: Apple TV (4th generation)
Impact: A local user may be able to gain root privileges
Description: An issue in mach port name references was addressed
through improved validation.
CVE-2016-7661: Ian Beer of Google Project Zero
Entry added December 13, 2016

Profiles
Available for: Apple TV (4th generation)
Impact: Opening a maliciously crafted certificate may lead to
arbitrary code execution
Description: A memory corruption issue existed in the handling of
certificate profiles. This issue was addressed through improved input
validation.
CVE-2016-7626: Maksymilian Arciemowicz (cxsecurity.com)

Security
Available for: Apple TV (4th generation)
Impact: An attacker may be able to exploit weaknesses in the 3DES
cryptographic algorithm
Description: 3DES was removed as a default cipher.
CVE-2016-4693: GaA<<tan Leurent and Karthikeyan Bhargavan from INRIA
Paris
Entry added December 13, 2016

Security
Available for: Apple TV (4th generation)
Impact: An attacker in a privileged network position may be able to
cause a denial of service
Description: A validation issue existed in the handling of OCSP
responder URLs. This issue was addressed by verifying OCSP revocation
status after CA validation and limiting the number of OCSP requests
per certificate.
CVE-2016-7636: Maksymilian Arciemowicz (cxsecurity.com)
Entry added December 13, 2016

Security
Available for: Apple TV (4th generation)
Impact: Certificates may be unexpectedly evaluated as trusted
Description: A certificate evaluation issue existed in certificate
validation. This issue was addressed through additional validation of
certificates.
CVE-2016-7662: Apple
Entry added December 13, 2016

syslog
Available for: Apple TV (4th generation)
Impact: A local user may be able to gain root privileges
Description: An issue in mach port name references was addressed
through improved validation.
CVE-2016-7660: Ian Beer of Google Project Zero
Entry added December 13, 2016

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-2016-4692: Apple
CVE-2016-7635: Apple
CVE-2016-7652: Apple
Entry added December 13, 2016

WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may result in the
disclosure of process memory
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2016-4743: Alan Cutter
Entry added December 13, 2016

WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may result in the
disclosure of user information
Description: A validation issue was addressed through improved state
management.
CVE-2016-7586: Boris Zbarsky
Entry added December 13, 2016

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 state management.
CVE-2016-7587: Adam Klein
CVE-2016-7610: Zheng Huang of the Baidu Security Lab working with
Trend Micro's Zero Day Initiative
CVE-2016-7611: an anonymous researcher working with Trend Micro's
Zero Day Initiative
CVE-2016-7639: Tongbo Luo of Palo Alto Networks
CVE-2016-7640: Kai Kang of Tencent's Xuanwu Lab
(tencent.com)
CVE-2016-7641: Kai Kang of Tencent's Xuanwu Lab
(tencent.com)
CVE-2016-7642: Tongbo Luo of Palo Alto Networks
CVE-2016-7645: Kai Kang of Tencent's Xuanwu Lab
(tencent.com)
CVE-2016-7646: Kai Kang of Tencent's Xuanwu Lab
(tencent.com)
CVE-2016-7648: Kai Kang of Tencent's Xuanwu Lab
(tencent.com)
CVE-2016-7649: Kai Kang of Tencent's Xuanwu Lab
(tencent.com)
CVE-2016-7654: Keen Lab working with Trend Micro's Zero Day
Initiative
Entry added December 13, 2016

WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed through improved
state management.
CVE-2016-7589: Apple
CVE-2016-7656: Keen Lab working with Trend Micro's Zero Day
Initiative
Entry added December 13, 2016

WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may result in the
disclosure of process memory
Description: An uninitialized memory access issue was addressed
through improved memory initialization.
CVE-2016-7598: Samuel GroA
Entry added December 13, 2016

WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may result in the
disclosure of user information
Description: An issue existed in the handling of HTTP redirects. This
issue was addressed through improved cross origin validation.
CVE-2016-7599: Muneaki Nishimura (nishimunea) of Recruit Technologies
Co., Ltd.
Entry added December 13, 2016

WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to an
unexpected application termination or arbitrary code execution
Description: A memory corruption issue was addressed through improved
state management.
CVE-2016-7632: Jeonghoon Shin
Entry added December 13, 2016

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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