Message-id: <ECFE7440-811A-4050-B9E1-E97D9A6AFBF5@lists.apple.com>
Date: Mon, 24 Sep 2018 10:37:48 -0700
From: Apple Product Security <product-security-noreply@...ts.apple.com>
To: security-announce@...ts.apple.com
Subject: APPLE-SA-2018-9-24-5 Additional information for APPLE-SA-2018-9-17-2
 watchOS 5

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APPLE-SA-2018-9-24-5 Additional information for
APPLE-SA-2018-9-17-2 watchOS 5

watchOS 5 addresses the following:

iTunes Store
Available for: Apple Watch Series 1 and later
Impact: An attacker in a privileged network position may be able to
spoof password prompts in the iTunes Store
Description: An input validation issue was addressed with improved
input validation.
CVE-2018-4305: Jerry Decime

Kernel
Available for: Apple Watch Series 1 and later
Impact: An application may be able to read restricted memory
Description: An input validation issue existed in the kernel. This
issue was addressed with improved input validation.
CVE-2018-4363: Ian Beer of Google Project Zero

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
memory handling.
CVE-2018-4336: Brandon Azad
CVE-2018-4344: The UK's National Cyber Security Centre (NCSC)
Entry added September 24, 2018

Safari
Available for: Apple Watch Series 1 and later
Impact: A local user may be able to discover websites a user has
visited
Description: A consistency issue existed in the handling of
application snapshots. The issue was addressed with improved handling
of application snapshots.
CVE-2018-4313: 11 anonymous researchers, David Scott, Enes Mert Ulu
of Abdullah Mürşide Özünenek Anadolu Lisesi - Ankara/Türkiye,
Mehmet Ferit Daştan of Van Yüzüncü Yıl University, Metin Altug
Karakaya of Kaliptus Medical Organization, Vinodh Swami of Western
Governor's University (WGU)

Security
Available for: Apple Watch Series 1 and later
Impact: An attacker may be able to exploit weaknesses in the RC4
cryptographic algorithm
Description: This issue was addressed by removing RC4.
CVE-2016-1777: Pepi Zawodsky

WebKit
Available for: Apple Watch Series 1 and later
Impact: Unexpected interaction causes an ASSERT failure
Description: A memory corruption issue was addressed with improved
validation.
CVE-2018-4191: found by OSS-Fuzz
Entry added September 24, 2018

WebKit
Available for: Apple Watch Series 1 and later
Impact: Cross-origin SecurityErrors includes the accessed frame's
origin
Description: The issue was addressed by removing origin information.
CVE-2018-4311: Erling Alf Ellingsen (@steike)
Entry added September 24, 2018

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-2018-4299: Samuel Groβ (saelo) working with Trend Micro's Zero
Day Initiative
CVE-2018-4358: @phoenhex team (@bkth_ @5aelo @_niklasb) working with
Trend Micro's Zero Day Initiative
CVE-2018-4359: Samuel Groß (@5aelo)
Entry added September 24, 2018

WebKit
Available for: Apple Watch Series 1 and later
Impact: A malicious website may cause unexepected cross-origin
behavior
Description: A cross-origin issue existed with "iframe" elements.
This was addressed with improved tracking of security origins.
CVE-2018-4319: John Pettitt of Google
Entry added September 24, 2018

WebKit
Available for: Apple Watch Series 1 and later
Impact: Unexpected interaction causes an ASSERT failure
Description: A memory consumption issue was addressed with improved
memory handling.
CVE-2018-4361: found by Google OSS-Fuzz
Entry added September 24, 2018

Additional recognition

Core Data
We would like to acknowledge Andreas Kurtz (@aykay) of NESO Security
Labs GmbH for their assistance.

Sandbox Profiles
We would like to acknowledge Tencent Keen Security Lab working with
Trend Micro's Zero Day Initiative for their assistance.

SQLite
We would like to acknowledge Andreas Kurtz (@aykay) of NESO Security
Labs GmbH for their assistance.

WebKit
We would like to acknowledge Tencent Keen Security Lab working with
Trend Micro's Zero Day Initiative for their assistance.

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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