full-disclosure - [FD] APPLE-SA-2017-10-31-4 watchOS 4.1

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Date: Tue, 31 Oct 2017 11:31:07 -0700
From: Apple Product Security <product-security-noreply@...ts.apple.com>
To: security-announce@...ts.apple.com
Subject: [FD] APPLE-SA-2017-10-31-4 watchOS 4.1

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APPLE-SA-2017-10-31-4 watchOS 4.1

watchOS 4.1 is now available and addresses the following:

CoreText
Available for: All Apple Watch models
Impact: Processing a maliciously crafted text file may lead to an
unexpected application termination
Description: A denial of service issue was addressed through improved
memory handling.
CVE-2017-13849: Ro of SavSec

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 with improved
memory handling.
CVE-2017-13799: an anonymous researcher

StreamingZip
Available for: All Apple Watch models
Impact: A malicious zip file may be able modify restricted areas of
the file system
Description: A path handling issue was addressed with improved
validation.
CVE-2017-13804: @qwertyoruiopz at KJC Research Intl. S.R.L.

Wi-Fi
Available for: Apple Watch Series 1 and Apple Watch Series 2
Impact: An attacker in Wi-Fi range may force nonce reuse in WPA
clients (Key Reinstallation Attacks - KRACK)
Description: A logic issue existed in the handling of state
transitions. This was addressed with improved state management.
CVE-2017-13080: Mathy Vanhoef of the imec-DistriNet group at KU
Leuven

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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