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APPLE-SA-2016-03-21-5 OS X El Capitan 10.11.4 and Security Update
2016-002

OS X El Capitan 10.11.4 and Security Update 2016-002 is now available
and addresses the following:

apache_mod_php
Available for:  OS X Mavericks v10.9.5, OS X Yosemite v10.10.5,
and OS X El Capitan v10.11 to v10.11.3
Impact:  Processing a maliciously crafted .png file may lead to
arbitrary code execution
Description:  Multiple vulnerabilities existed in libpng versions
prior to 1.6.20. These were addressed by updating libpng to version
1.6.20.
CVE-ID
CVE-2015-8126 : Adam Mariš
CVE-2015-8472 : Adam Mariš

AppleRAID
Available for:  OS X El Capitan v10.11 to v10.11.3
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-ID
CVE-2016-1733 : Proteas of Qihoo 360 Nirvan Team

AppleRAID
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  A local user 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-2016-1732 : Proteas of Qihoo 360 Nirvan Team

AppleUSBNetworking
Available for:  OS X El Capitan v10.11 to v10.11.3
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

Bluetooth
Available for:  OS X El Capitan v10.11 to v10.11.3
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-2016-1735 : Jeonghoon Shin@A.D.D
CVE-2016-1736 : beist and ABH of BoB

Carbon
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  Processing a maliciously crafted .dfont 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-ID
CVE-2016-1737 : an anonymous researcher

dyld
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  An attacker may tamper with code-signed applications to
execute arbitrary code in the application's context
Description:  A code signing verification issue existed in dyld. This
issue was addressed with improved validation.
CVE-ID
CVE-2016-1738 : beist and ABH of BoB

FontParser
Available for:  OS X El Capitan v10.11 to v10.11.3
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:  OS X El Capitan v10.11 to v10.11.3
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

Intel Graphics Driver
Available for:  OS X El Capitan v10.11 to v10.11.3
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-2016-1743 : Piotr Bania of Cisco Talos
CVE-2016-1744 : Ian Beer of Google Project Zero

IOFireWireFamily
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  A local user may be able to cause a denial of service
Description:  A null pointer dereference was addressed through
improved validation.
CVE-ID
CVE-2016-1745 : sweetchip of Grayhash

IOGraphics
Available for:  OS X El Capitan v10.11 to v10.11.3
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-ID
CVE-2016-1746 : Peter Pi of Trend Micro working with Trend Micro's
Zero Day Initiative (ZDI)
CVE-2016-1747 : Juwei Lin of Trend Micro working with Trend Micro's
Zero Day Initiative (ZDI)

IOHIDFamily
Available for:  OS X El Capitan v10.11 to v10.11.3
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

IOUSBFamily
Available for:  OS X El Capitan v10.11 to v10.11.3
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-2016-1749 : Ian Beer of Google Project Zero and Juwei Lin of
Trend Micro working with Trend Micro's Zero Day Initiative (ZDI)

Kernel
Available for:  OS X El Capitan v10.11 to v10.11.3
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:  OS X El Capitan v10.11 to v10.11.3
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 Vilaca

Kernel
Available for:  OS X El Capitan v10.11 to v10.11.3
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:  OS X Mavericks v10.9.5, OS X Yosemite v10.10.5,
and OS X El Capitan v10.11 to v10.11.3
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
CVE-2016-1759 : lokihardt

Kernel
Available for:  OS X El Capitan v10.11 to v10.11.3
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

Kernel
Available for:  OS X El Capitan v10.11 to v10.11.3
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:  OS X El Capitan v10.11 to v10.11.3
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

libxml2
Available for:  OS X Mavericks v10.9.5, OS X Yosemite v10.10.5,
and OS X El Capitan v10.11 to v10.11.3
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:  OS X El Capitan v10.11 to v10.11.3
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

Messages
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  Clicking a JavaScript link can reveal sensitive user
information
Description:  An issue existed in the processing of JavaScript links.
This issue was addressed through improved content security policy
checks.
CVE-ID
CVE-2016-1764 : Matthew Bryan of the Uber Security Team (formerly of
Bishop Fox), Joe DeMesy and Shubham Shah of Bishop Fox

NVIDIA Graphics Drivers
Available for:  OS X El Capitan v10.11 to v10.11.3
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-2016-1741 : Ian Beer of Google Project Zero

OpenSSH
Available for:  OS X Mavericks v10.9.5, OS X Yosemite v10.10.5,
and OS X El Capitan v10.11 to v10.11.3
Impact:  Connecting to a server may leak sensitive user information,
such as a client's private keys
Description:  Roaming, which was on by default in the OpenSSH client,
exposed an information leak and a buffer overflow. These issues were
addressed by disabling roaming in the client.
CVE-ID
CVE-2016-0777 : Qualys
CVE-2016-0778 : Qualys

OpenSSH
Available for:  OS X Mavericks v10.9.5 and OS X Yosemite v10.10.5
Impact:  Multiple vulnerabilities in LibreSSL
Description:  Multiple vulnerabilities existed in LibreSSL versions
prior to 2.1.8. These were addressed by updating LibreSSL to version
2.1.8.
CVE-ID
CVE-2015-5333 : Qualys
CVE-2015-5334 : Qualys

OpenSSL
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  A remote attacker may be able to cause a denial of service
Description:  A memory leak existed in OpenSSL versions prior to
0.9.8zh. This issue was addressed by updating OpenSSL to version
0.9.8zh.
CVE-ID
CVE-2015-3195

Python
Available for:  OS X Mavericks v10.9.5, OS X Yosemite v10.10.5,
and OS X El Capitan v10.11 to v10.11.3
Impact:  Processing a maliciously crafted .png file may lead to
arbitrary code execution
Description:  Multiple vulnerabilities existed in libpng versions
prior to 1.6.20. These were addressed by updating libpng to version
1.6.20.
CVE-ID
CVE-2014-9495
CVE-2015-0973
CVE-2015-8126 : Adam Mariš
CVE-2015-8472 : Adam Mariš

QuickTime
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  Processing a maliciously crafted FlashPix Bitmap Image may
lead to unexpected application termination or arbitrary code
execution
Description:  Multiple memory corruption issues were addressed
through improved memory handling.
CVE-ID
CVE-2016-1767 : Francis Provencher from COSIG
CVE-2016-1768 : Francis Provencher from COSIG

QuickTime
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  Processing a maliciously crafted Photoshop document may lead
to unexpected application termination or arbitrary code execution
Description:  Multiple memory corruption issues were addressed
through improved memory handling.
CVE-ID
CVE-2016-1769 : Francis Provencher from COSIG

Reminders
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  Clicking a tel link can make a call without prompting the
user
Description:  A user was not prompted before invoking a call. This
was addressed through improved entitlement checks.
CVE-ID
CVE-2016-1770 : Guillaume Ross of Rapid7 and Laurent Chouinard of
Laurent.ca

Ruby
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  A local attacker may be able to cause unexpected application
termination or arbitrary code execution
Description:  An unsafe tainted string usage vulnerability existed in
versions prior to 2.0.0-p648. This issue was addressed by updating to
version 2.0.0-p648.
CVE-ID
CVE-2015-7551

Security
Available for:  OS X El Capitan v10.11 to v10.11.3
Impact:  A local user may be able to check for the existence of
arbitrary files
Description:  A permissions issue existed in code signing tools. This
was addressed though additional ownership checks.
CVE-ID
CVE-2016-1773 : Mark Mentovai of Google Inc.

Security
Available for:  OS X El Capitan v10.11 to v10.11.3
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

Tcl
Available for:  
OS X Yosemite v10.10.5 and OS X El Capitan v10.11 to v10.11.3
Impact:  Processing a maliciously crafted .png file may lead to
arbitrary code execution
Description:  Multiple vulnerabilities existed in libpng versions
prior to 1.6.20. These were addressed by removing libpng.
CVE-ID
CVE-2015-8126 : Adam Mariš

TrueTypeScaler
Available for:  OS X El Capitan v10.11 to v10.11.3
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)

Wi-Fi
Available for:  OS X El Capitan v10.11 to v10.11.3
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

OS X El Capitan 10.11.4 includes the security content of Safari 9.1.
https://support.apple.com/kb/HT206171

OS X El Capitan v10.11.4 and Security Update 2016-002 may be obtained
from the Mac App Store or Apple's Software Downloads web site:
http://www.apple.com/support/downloads/

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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