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APPLE-SA-2016-03-21-1 iOS 9.3

iOS 9.3 is now available and addresses the following:

AppleUSBNetworking
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to execute arbitrary code with
kernel privileges
Description:  A memory corruption issue existed in the parsing of
data from USB devices. This issue was addressed through improved
input validation.
CVE-ID
CVE-2016-1734 : Andrea Barisani and Andrej Rosano of Inverse Path

FontParser
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Opening a maliciously crafted PDF file may lead to an
unexpected application termination or arbitrary code execution
Description:  A memory corruption issue was addressed through
improved memory handling.
CVE-ID
CVE-2016-1740 : HappilyCoded (ant4g0nist and r3dsm0k3) working with
Trend Micro's Zero Day Initiative (ZDI)

HTTPProtocol
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A remote attacker may be able to execute arbitrary code
Description:  Multiple vulnerabilities existed in nghttp2 versions
prior to 1.6.0, the most serious of which may have led to remote code
execution. These were addressed by updating nghttp2 to version 1.6.0.
CVE-ID
CVE-2015-8659

IOHIDFamily
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to determine kernel memory layout
Description:  A memory corruption issue was addressed through
improved memory handling.
CVE-ID
CVE-2016-1748 : Brandon Azad

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to cause a denial of service
Description:  A denial of service issue was addressed through
improved validation.
CVE-ID
CVE-2016-1752 : CESG

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to execute arbitrary code with
kernel privileges
Description:  A use after free issue was addressed through improved
memory management.
CVE-ID
CVE-2016-1750 : CESG

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to execute arbitrary code with
kernel privileges
Description:  Multiple integer overflows were addressed through
improved input validation.
CVE-ID
CVE-2016-1753 : Juwei Lin Trend Micro working with Trend Micro's Zero
Day Initiative (ZDI)

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to bypass code signing
Description:  A permissions issue existed in which execute permission
was incorrectly granted. This issue was addressed through improved
permission validation.
CVE-ID
CVE-2016-1751 : Eric Monti of Square Mobile Security

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to execute arbitrary code with
kernel privileges
Description:  A race condition existed during the creation of new
processes. This was addressed through improved state handling.
CVE-ID
CVE-2016-1757 : Ian Beer of Google Project Zero and Pedro Vilaça

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to execute arbitrary code with
kernel privileges
Description:  A null pointer dereference was addressed through
improved input validation.
CVE-ID
CVE-2016-1756 : Lufeng Li of Qihoo 360 Vulcan Team

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
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-2016-1754 : Lufeng Li of Qihoo 360 Vulcan Team
CVE-2016-1755 : Ian Beer of Google Project Zero

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to determine kernel memory layout
Description:  An out-of-bounds read issue existed that led to the
disclosure of kernel memory. This was addressed through improved
input validation.
CVE-ID
CVE-2016-1758 : Brandon Azad

LaunchServices
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application may be able to modify events from other
applications
Description:  An event handler validation issue existed in the XPC
Services API. This issue was addressed through improved message
validation.
CVE-ID
CVE-2016-1760 : Proteas of Qihoo 360 Nirvan Team

libxml2
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing maliciously crafted XML may lead to unexpected
application termination or arbitrary code execution
Description:  Multiple memory corruption issues were addressed
through improved memory handling.
CVE-ID
CVE-2015-1819
CVE-2015-5312 : David Drysdale of Google
CVE-2015-7499
CVE-2015-7500 : Kostya Serebryany of Google
CVE-2015-7942 : Kostya Serebryany of Google
CVE-2015-8035 : gustavo.grieco
CVE-2015-8242 : Hugh Davenport
CVE-2016-1761 : wol0xff working with Trend Micro's Zero Day
Initiative (ZDI)
CVE-2016-1762

Messages
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Visiting a maliciously crafted website may auto-fill text
into other Message threads
Description:  An issue existed in the parsing of SMS URLs. This issue
was addressed through improved URL validation.
CVE-ID
CVE-2016-1763 : CityTog

Messages
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An attacker who is able to bypass Apple's certificate
pinning, intercept TLS connections, inject messages, and record
encrypted attachment-type messages may be able to read attachments
Description:  A cryptographic issue was addressed by rejecting
duplicate messages on the client.
CVE-ID
CVE-2016-1788 : Christina Garman, Matthew Green, Gabriel Kaptchuk,
Ian Miers, and Michael Rushanan of Johns Hopkins University

Profiles
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An untrusted MDM profile may be incorrectly displayed as
verified
Description:  A certificate validation issue existed in MDM profiles.
This was addressed through additional checks.
CVE-ID
CVE-2016-1766 : Taylor Boyko working with Trend Micro's Zero Day
Initiative (ZDI)

Security
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing a maliciously crafted certificate may lead to
arbitrary code execution
Description:  A memory corruption issue existed in the ASN.1 decoder.
This issue was addressed through improved input validation.
CVE-ID
CVE-2016-1950 : Francis Gabriel of Quarkslab

TrueTypeScaler
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing a maliciously crafted font file may lead to
arbitrary code execution
Description:  A memory corruption issue existed in the processing of
font files. This issue was addressed through improved input
validation.
CVE-ID
CVE-2016-1775 : 0x1byte working with Trend Micro's Zero Day
Initiative (ZDI)

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
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-2016-1778 : 0x1byte working with Trend Micro's Zero Day
Initiative (ZDI)
CVE-2016-1783 : Mihai Parparita of Google

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A website may be able to track sensitive user information
Description:  An issue existed in the handling of attachment URLs.
This issue was addressed through improved URL handling.
CVE-ID
CVE-2016-1781 : Devdatta Akhawe of Dropbox, Inc.

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A website may be able to track sensitive user information
Description:  A hidden web page may be able to access device-
orientation and device-motion data. This issue was addressed by
suspending the availability of this data when the web view is hidden.
CVE-ID
CVE-2016-1780 : Maryam Mehrnezhad, Ehsan Toreini, Siamak F.
Shahandashti, and Feng Hao of the School of Computing Science,
Newcastle University, UK

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Visiting a maliciously crafted website may reveal a user's
current location
Description:  An issue existed in the parsing of geolocation
requests. This was addressed through improved validation of the
security origin for geolocation requests.
CVE-ID
CVE-2016-1779 : xisigr of Tencent's Xuanwu Lab
(http://www.tencent.com)

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious website may be able to access restricted ports
on arbitrary servers
Description:  A port redirection issue was addressed through
additional port validation.
CVE-ID
CVE-2016-1782 : Muneaki Nishimura (nishimunea) of Recruit
Technologies Co.,Ltd.

WebKit History
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing maliciously crafted web content may lead to an
unexpected Safari crash
Description:  A resource exhaustion issue was addressed through
improved input validation.
CVE-ID
CVE-2016-1784 : Moony Li and Jack Tang of TrendMicro and 李普君 of
无声信息技术PKAV Team (PKAV.net)

WebKit Page Loading
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Visiting a malicious website may lead to user interface
spoofing
Description:  Redirect responses may have allowed a malicious website
to display an arbitrary URL and read cached contents of the
destination origin. This issue was addressed through improved URL
display logic.
CVE-ID
CVE-2016-1786 : ma.la of LINE Corporation

WebKit Page Loading
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious website may exfiltrate data cross-origin
Description:  A caching issue existed with character encoding. This
was addressed through additional request checking.
CVE-ID
CVE-2016-1785 : an anonymous researcher

Wi-Fi
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An attacker with a privileged network position may be able
to execute arbitrary code
Description:  A frame validation and memory corruption issue existed
for a given ethertype. This issue was addressed through additional
ethertype validation and improved memory handling.
CVE-ID
CVE-2016-0801 : an anonymous researcher
CVE-2016-0802 : an anonymous researcher

Installation note:

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from www.apple.com/itunes/

iTunes and Software Update on the device will automatically check
Apple's update server on its weekly schedule. When an update is
detected, it is downloaded and the option to be installed is
presented to the user when the iOS device is docked. We recommend
applying the update immediately if possible. Selecting Don't Install
will present the option the next time you connect your iOS device.

The automatic update process may take up to a week depending on the
day that iTunes or the device checks for updates. You may manually
obtain the update via the Check for Updates button within iTunes, or
the Software Update on your device.

To check that the iPhone, iPod touch, or iPad has been updated:

* Navigate to Settings
* Select General
* Select About. The version after applying this update
will be "9.3 ".

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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