ESB-2018.2861 - [Mobile] Apple watchOS: Multiple vulnerabilities 2018-09-25

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2861
                      APPLE-SA-2018-9-24-5 watchOS 5
                             25 September 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Apple watchOS
Publisher:         Apple
Operating System:  Mobile Device
Impact/Access:     Root Compromise                 -- Remote with User Interaction
                   Access Privileged Data          -- Remote/Unauthenticated      
                   Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
                   Provide Misleading Information  -- Remote with User Interaction
                   Access Confidential Data        -- Existing Account            
                   Reduced Security                -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-4363 CVE-2018-4361 CVE-2018-4359
                   CVE-2018-4358 CVE-2018-4344 CVE-2018-4336
                   CVE-2018-4319 CVE-2018-4313 CVE-2018-4311
                   CVE-2018-4305 CVE-2018-4299 CVE-2018-4191
                   CVE-2016-1777  

Reference:         ESB-2018.2858
                   ESB-2018.2857
                   ESB-2018.2780
                   ESB-2016.2961
                   ESB-2016.0748

Original Bulletin: 
   https://support.apple.com/en-au/HT209108

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APPLE-SA-2018-9-24-5 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)

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 MürÅ\x{159}ide Ã\x{150}zünenek Anadolu Lisesi -
Ankara/Türkiye, Mehmet Ferit DaÅ\x{159}tan 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

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)

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 GroÃ\x{159} (@5aelo)

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

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

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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