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Date: Thu, 06 Dec 2018 10:24:34 -0800
From: Apple Product Security <product-security-noreply@...ts.apple.com>
To: security-announce@...ts.apple.com
Subject: APPLE-SA-2018-12-06-1 watchOS 5.1.2

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

APPLE-SA-2018-12-06-1 watchOS 5.1.2

watchOS 5.1.2 is now available and addresses the following:

Airport
Available for: Apple Watch Series 1 and later
Impact: A malicious application may be able to elevate privileges
Description: A type confusion issue was addressed with improved
memory handling.
CVE-2018-4303: Mohamed Ghannam (@_simo36)

Disk Images
Available for: Apple Watch Series 1 and later
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2018-4465: Pangu Team

Kernel
Available for: Apple Watch Series 1 and later
Impact: An attacker in a privileged position may be able to perform a
denial of service attack
Description: A denial of service issue was addressed by removing the
vulnerable code.
CVE-2018-4460: Kevin Backhouse of Semmle Security
Research Team

Kernel
Available for: Apple Watch Series 1 and later
Impact: A local user may be able to read kernel memory
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2018-4431:  An independent security researcher has reported this
vulnerability to
Beyond Security's SecuriTeam Secure Disclosure program

Kernel
Available for: Apple Watch Series 1 and later
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2018-4447: Juwei Lin(@panicaII) and Zhengyu Dong of TrendMicro
Mobile Security Team

Kernel
Available for: Apple Watch Series 1 and later
Impact: A malicious application may be able to elevate privileges
Description: A logic issue was addressed with improved restrictions.
CVE-2018-4435: Jann Horn of Google Project Zero, Juwei Lin(@panicaII)
and Junzhi Lu of TrendMicro Mobile Security Team

Kernel
Available for: Apple Watch Series 1 and later
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4461: Ian Beer of Google Project Zero

LinkPresentation
Available for: Apple Watch Series 1 and later
Impact: Processing a maliciously crafted email may lead to user
interface spoofing
Description: A spoofing issue existed in the handling of URLs. This
issue was addressed with improved input validation.
CVE-2018-4429: Victor Le Pochat of imec-DistriNet, KU Leuven

Profiles
Available for: Apple Watch Series 1 and later
Impact: An untrusted configuration profile may be incorrectly
displayed as verified
Description: A certificate validation issue existed in configuration
profiles. This was addressed with additional checks.
CVE-2018-4436: James Seeley @Code4iOS, Joseph S. of Wyong High School

WebKit
Available for: Apple Watch Series 1 and later
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2018-4437: HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of
KAIST Softsec Lab, Korea
CVE-2018-4464: HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of
KAIST Softsec Lab, Korea

WebKit
Available for: Apple Watch Series 1 and later
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2018-4441: lokihardt of Google Project Zero
CVE-2018-4442: lokihardt of Google Project Zero
CVE-2018-4443: lokihardt of Google Project Zero

WebKit
Available for: Apple Watch Series 1 and later
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A logic issue existed resulting in memory corruption.
This was addressed with improved state management.
CVE-2018-4438: lokihardt 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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