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APPLE-SA-2017-03-27-5 watchOS 3.2

watchOS 3.2 is now available and addresses the following:

Audio
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted audio file may lead to
arbitrary code execution
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2017-2430: an anonymous researcher working with Trend Microas
Zero Day Initiative
CVE-2017-2462: an anonymous researcher working with Trend Microas
Zero Day Initiative

Carbon
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted .dfont file may lead to
arbitrary code execution
Description: A buffer overflow existed in the handling of font files.
This issue was addressed through improved bounds checking.
CVE-2017-2379: John Villamil, Doyensec, riusksk (ae3aY=) of Tencent
Security Platform Department

CoreGraphics
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted image may lead to a denial
of service
Description: An infinite recursion was addressed through improved
state management.
CVE-2017-2417: riusksk (ae3aY=) of Tencent Security Platform
Department

CoreGraphics
Available for:  All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed through
improved input validation.
CVE-2017-2444: Mei Wang of 360 GearTeam

CoreText
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2017-2435: John Villamil, Doyensec

CoreText
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted font may result in the
disclosure of process memory
Description: An out-of-bounds read was addressed through improved
input validation.
CVE-2017-2450: John Villamil, Doyensec

CoreText
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted text message may lead to
application denial of service
Description: A resource exhaustion issue was addressed through
improved input validation.
CVE-2017-2461: Isaac Archambault of IDAoADI, an anonymous researcher

FontParser
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed through
improved input validation.
CVE-2017-2406: riusksk (ae3aY=) of Tencent Security Platform
Department
CVE-2017-2487: riusksk (ae3aY=) of Tencent Security Platform
Department

FontParser
Available for:  All Apple Watch models
Impact: Parsing a maliciously crafted font file may lead to an
unexpected application termination or arbitrary code execution
Description: Multiple memory corruption issues were addressed through
improved input validation.
CVE-2017-2407: riusksk (ae3aY=) of Tencent Security Platform
Department

FontParser
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted font may result in the
disclosure of process memory
Description: An out-of-bounds read was addressed through improved
input validation.
CVE-2017-2439: John Villamil, Doyensec

HTTPProtocol
Available for:  All Apple Watch models
Impact: A malicious HTTP/2 server may be able to cause undefined
behavior
Description: Multiple issues existed in nghttp2 before 1.17.0. These
were addressed by updating LibreSSL to version 1.17.0.
CVE-2017-2428

ImageIO
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted image may lead to arbitrary
code execution
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2017-2416: Qidan He (a1/2ae*a,1, @flanker_hqd) of KeenLab, Tencent

ImageIO
Available for:  All Apple Watch models
Impact: Viewing a maliciously crafted JPEG file may lead to arbitrary
code execution
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2017-2432: an anonymous researcher working with Trend Micro's
Zero Day Initiative

ImageIO
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted file may lead to an
unexpected application termination or arbitrary code execution
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2017-2467

ImageIO
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted image may lead to unexpected
application termination
Description: An out-of-bound read existed in LibTIFF versions before
4.0.7. This was addressed by updating LibTIFF in ImageIO to version
4.0.7.
CVE-2016-3619

Kernel
Available for:  All Apple Watch models
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-2017-2401: Lufeng Li of Qihoo 360 Vulcan Team

Kernel
Available for:  All Apple Watch models
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: An integer overflow was addressed through improved input
validation.
CVE-2017-2440: an anonymous researcher

Kernel
Available for:  All Apple Watch models
Impact: A malicious application may be able to execute arbitrary code
with root privileges
Description: A race condition was addressed through improved memory
handling.
CVE-2017-2456: lokihardt of Google Project Zero

Kernel
Available for:  All Apple Watch models
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-2017-2472: Ian Beer of Google Project Zero

Kernel
Available for:  All Apple Watch models
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2017-2473: Ian Beer of Google Project Zero

Kernel
Available for:  All Apple Watch models
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: An off-by-one issue was addressed through improved
bounds checking.
CVE-2017-2474: Ian Beer of Google Project Zero

Kernel
Available for:  All Apple Watch models
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A race condition was addressed through improved locking.
CVE-2017-2478: Ian Beer of Google Project Zero

Kernel
Available for:  All Apple Watch models
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A buffer overflow issue was addressed through improved
memory handling.
CVE-2017-2482: Ian Beer of Google Project Zero
CVE-2017-2483: Ian Beer of Google Project Zero

Keyboards
Available for:  All Apple Watch models
Impact: An application may be able to execute arbitrary code
Description: A buffer overflow was addressed through improved bounds
checking.
CVE-2017-2458: Shashank (@cyberboyIndia)

libarchive
Available for:  All Apple Watch models
Impact: A local attacker may be able to change file system
permissions on arbitrary directories
Description: A validation issue existed in the handling of symlinks.
This issue was addressed through improved validation of symlinks.
CVE-2017-2390: Omer Medan of enSilo Ltd

libc++abi
Available for:  All Apple Watch models
Impact: Demangling a malicious C++ application may lead to arbitrary
code execution
Description: A use after free issue was addressed through improved
memory management.
CVE-2017-2441

Security
Available for:  All Apple Watch models
Impact: An application may be able to execute arbitrary code with
root privileges
Description: A buffer overflow was addressed through improved bounds
checking.
CVE-2017-2451: Alex Radocea of Longterm Security, Inc.

Security
Available for:  All Apple Watch models
Impact: Processing a maliciously crafted x509 certificate may lead to
arbitrary code execution
Description: A memory corruption issue existed in the parsing of
certificates. This issue was addressed through improved input
validation.
CVE-2017-2485: Aleksandar Nikolic of Cisco Talos

WebKit
Available for:  All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed through improved
memory handling.
CVE-2017-2415: Kai Kang of Tencent's Xuanwu Lab (tentcent.com)

WebKit
Available for:  All Apple Watch models
Impact: Processing maliciously crafted web content may lead to high
memory consumption
Description: An uncontrolled resource consumption issue was addressed
through improved regex processing.
CVE-2016-9643: Gustavo Grieco

WebKit
Available for:  All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A use after free issue was addressed through improved
memory management.
CVE-2017-2471: Ivan Fratric of Google Project Zero

Installation note:

Instructions on how to update your Apple Watch software are
available at https://support.apple.com/kb/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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