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Apple Security Advisory 2016-05-16-1

Apple Security Advisory 2016-05-16-1
Posted May 17, 2016
Authored by Apple | Site apple.com

Apple Security Advisory 2016-05-16-1 - tvOS 9.2.1 is now available and addresses information disclosure, code execution issues, and more.

tags | advisory, code execution, info disclosure
systems | apple
advisories | CVE-2016-1801, CVE-2016-1802, CVE-2016-1803, CVE-2016-1807, CVE-2016-1808, CVE-2016-1811, CVE-2016-1813, CVE-2016-1814, CVE-2016-1817, CVE-2016-1818, CVE-2016-1819, CVE-2016-1823, CVE-2016-1824, CVE-2016-1827, CVE-2016-1828, CVE-2016-1829, CVE-2016-1830, CVE-2016-1832, CVE-2016-1833, CVE-2016-1834, CVE-2016-1836, CVE-2016-1837, CVE-2016-1838, CVE-2016-1839, CVE-2016-1840, CVE-2016-1841, CVE-2016-1847, CVE-2016-1854
MD5 | bc00afe9402a4b994ed86aab230d53c2

Apple Security Advisory 2016-05-16-1

Change Mirror Download
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Hash: SHA512

APPLE-SA-2016-05-16-1 tvOS 9.2.1

tvOS 9.2.1 is now available and addresses the following:

CFNetwork Proxies
Available for: Apple TV (4th generation)
Impact: An attacker in a privileged network position may be able to
leak sensitive user information
Description: An information leak existed in the handling of HTTP and
HTTPS requests. This issue was addressed through improved URL
handling.
CVE-ID
CVE-2016-1801 : Alex Chapman and Paul Stone of Context Information
Security

CommonCrypto
Available for: Apple TV (4th generation)
Impact: A malicious application may be able to leak sensitive user
information
Description: An issue existed in the handling of return values in
CCCrypt. This issue was addressed through improved key length
management.
CVE-ID
CVE-2016-1802 : Klaus Rodewig

CoreCapture
Available for: Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A null pointer dereference was addressed through
improved validation.
CVE-ID
CVE-2016-1803 : Ian Beer of Google Project Zero, daybreaker working
with Trend Micro’s Zero Day Initiative

Disk Images
Available for: Apple TV (4th generation)
Impact: An application may be able to read kernel memory
Description: A race condition was addressed through improved
locking.
CVE-ID
CVE-2016-1807 : Ian Beer of Google Project Zero

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 existed in the parsing of
disk images. This issue was addressed through improved memory
handling.
CVE-ID
CVE-2016-1808 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of
Trend Micro

ImageIO
Available for: Apple TV (4th generation)
Impact: Processing a maliciously crafted image may lead to a denial
of service
Description: A null pointer dereference was addressed through
improved validation.
CVE-ID
CVE-2016-1811 : Lander Brandt (@landaire)

IOAcceleratorFamily
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 memory handling.
CVE-ID
CVE-2016-1817 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of
Trend Micro working with Trend Micro's Zero Day Initiative
CVE-2016-1818 : Juwei Lin of TrendMicro

IOAcceleratorFamily
Available for: Apple TV (4th generation)
Impact: An application may be able to cause a denial of service
Description: A null pointer dereference was addressed through
improved locking.
CVE-ID
CVE-2016-1814 : Juwei Lin of TrendMicro

IOAcceleratorFamily
Available for: Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption vulnerability was addressed through
improved locking.
CVE-ID
CVE-2016-1819 : Ian Beer of Google Project Zero

IOAcceleratorFamily
Available for: Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A null pointer dereference was addressed through
improved validation.
CVE-ID
CVE-2016-1813 : Ian Beer of Google Project Zero

IOHIDFamily
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 memory handling.
CVE-ID
CVE-2016-1823 : Ian Beer of Google Project Zero
CVE-2016-1824 : Marco Grassi (@marcograss) of KeenLab (@keen_lab),
Tencent

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 memory handling.
CVE-ID
CVE-2016-1827 : Brandon Azad
CVE-2016-1828 : Brandon Azad
CVE-2016-1829 : CESG
CVE-2016-1830 : Brandon Azad

libc
Available for: Apple TV (4th generation)
Impact: An application may be able to cause unexpected application
termination or arbitrary code execution
Description: A memory corruption issue was addressed through
improved input validation.
CVE-ID
CVE-2016-1832 : Karl Williamson

libxml2
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted XML may lead to an unexpected
application termination or arbitrary code execution
Description: Multiple memory corruption issues were addressed
through improved memory handling.
CVE-ID
CVE-2016-1833 : Mateusz Jurczyk
CVE-2016-1834 : Apple
CVE-2016-1836 : Wei Lei and Liu Yang of Nanyang Technological
University
CVE-2016-1837 : Wei Lei and Liu Yang of Nanyang Technological
University
CVE-2016-1838 : Mateusz Jurczyk
CVE-2016-1839 : Mateusz Jurczyk
CVE-2016-1840 : Kostya Serebryany

libxslt
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-ID
CVE-2016-1841 : Sebastian Apelt

OpenGL
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-ID
CVE-2016-1847 : Tongbo Luo and Bo Qu of Palo Alto Networks

WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may disclose data
from another website
Description: An insufficient taint tracking issue in the parsing of
svg images was addressed through improved taint tracking.
CVE-ID
CVE-2016-1858 : 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-ID
CVE-2016-1854 : Anonymous working with Trend Micro's Zero Day
Initiative
CVE-2016-1855 : Tongbo Luo and Bo Qu of Palo Alto Networks
CVE-2016-1856 : lokihardt working with Trend Micro's Zero Day
Initiative
CVE-2016-1857 : Jeonghoon Shin@A.D.D, Liang Chen, Zhen Feng, wushi of
KeenLab, Tencent working with Trend Micro's Zero Day Initiative

WebKit Canvas
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-ID
CVE-2016-1859 : Liang Chen, wushi of KeenLab, Tencent working with
Trend Micro's Zero Day Initiative

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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