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

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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 Microâ??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 (at) A.D (dot) D [email concealed], 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: http://ift.tt/1UO9Pxs

This message is signed with Apple's Product Security PGP key,

and details are available at:

http://ift.tt/JvT2t4

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