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APPLE-SA-2016-05-16-3 watchOS 2.2.1



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APPLE-SA-2016-05-16-3 watchOS 2.2.1

watchOS 2.2.1 is now available and addresses the following:

CommonCrypto
Available for:  Apple Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
Impact:  A local attacker 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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
Impact:  A local attacker 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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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 Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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

MapKit
Available for:  Apple Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
Impact:  An attacker in a privileged network position may be able to
leak sensitive user information
Description:  Shared links were sent with HTTP rather than HTTPS.
This was addressed by enabling HTTPS for shared links.
CVE-ID
CVE-2016-1842 : Richard Shupak (https://www.linkedin.com/in/rshupak)

OpenGL
Available for:  Apple Watch Sport, Apple Watch, Apple Watch Edition,
and Apple Watch Hermes
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

Installation note:

Instructions on how to update your Apple Watch software are
available at https://support.apple.com/en-us/HT204641

To check the version on your Apple Watch, open the Apple Watch app
on your iPhone and select "My Watch > General > About".

Alternatively, on your watch, select "My Watch > 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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