ESB-2017.2396.2 - UPDATE [Apple iOS] watchOS: Multiple vulnerabilities 2017-09-26

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             AUSCERT External Security Bulletin Redistribution

                              ESB-2017.2396.2
                                 watchOS 4
                             26 September 2017

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

Product:           watchOS
Publisher:         Apple
Operating System:  Apple iOS
Impact/Access:     Root Compromise        -- Remote with User Interaction
                   Access Privileged Data -- Remote with User Interaction
                   Denial of Service      -- Remote/Unauthenticated      
                   Reduced Security       -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1000373 CVE-2017-10989 CVE-2017-9233
                   CVE-2017-7130 CVE-2017-7129 CVE-2017-7128
                   CVE-2017-7127 CVE-2017-7116 CVE-2017-7114
                   CVE-2017-7112 CVE-2017-7110 CVE-2017-7108
                   CVE-2017-7105 CVE-2017-7103 CVE-2017-7086
                   CVE-2017-7083 CVE-2017-7080 CVE-2017-0381
                   CVE-2016-9843 CVE-2016-9842 CVE-2016-9841
                   CVE-2016-9840 CVE-2016-9063 

Original Bulletin: 
   https://support.apple.com/en-au/HT208115

Revision History:  September 26 2017: Additional information
                   September 21 2017: Initial Release

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APPLE-SA-2017-09-25-5
Additional information for APPLE-SA-2017-09-20-2 watchOS 4

watchOS 4 addresses the following:

CFNetwork Proxies
Available for:  All Apple Watch models
Impact: An attacker in a privileged network position may be able to
cause a denial of service
Description: Multiple denial of service issues were addressed through
improved memory handling.
CVE-2017-7083: Abhinav Bansal of Zscaler Inc.
Entry added September 25, 2017

CoreAudio
Available for:  All Apple Watch models
Impact: An application may be able to read restricted memory
Description: An out-of-bounds read was addressed by updating to Opus
version 1.1.4.
CVE-2017-0381: V.E.O (@VYSEa) of Mobile Threat Research Team, Trend
Micro
Entry added September 25, 2017

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-2017-7114: Alex Plaskett of MWR InfoSecurity
Entry added September 25, 2017

libc
Available for:  All Apple Watch models
Impact: A remote attacker may be able to cause a denial-of-service
Description: A resource exhaustion issue in glob() was addressed
through an improved algorithm.
CVE-2017-7086: Russ Cox of Google
Entry added September 25, 2017

libc
Available for:  All Apple Watch models
Impact: An application may be able to cause a denial of service
Description: A memory consumption issue was addressed through
improved memory handling.
CVE-2017-1000373
Entry added September 25, 2017

libexpat
Available for:  All Apple Watch models
Impact: Multiple issues in expat
Description: Multiple issues were addressed by updating to version
2.2.1
CVE-2016-9063
CVE-2017-9233
Entry added September 25, 2017

Security
Available for:  All Apple Watch models
Impact: A revoked certificate may be trusted
Description: A certificate validation issue existed in the handling
of revocation data. This issue was addressed through improved
validation.
CVE-2017-7080: an anonymous researcher, Sven Driemecker of adesso
mobile solutions gmbh, an anonymous researcher, Rune Darrud
(@theflyingcorpse) of BA|rum kommune
Entry added September 25, 2017

SQLite
Available for:  All Apple Watch models
Impact: Multiple issues in SQLite
Description: Multiple issues were addressed by updating to version
3.19.3.
CVE-2017-10989: found by OSS-Fuzz
CVE-2017-7128: found by OSS-Fuzz
CVE-2017-7129: found by OSS-Fuzz
CVE-2017-7130: found by OSS-Fuzz
Entry added September 25, 2017

SQLite
Available for:  All Apple Watch models
Impact: An application may be able to execute arbitrary code with
system privileges
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-7127: an anonymous researcher
Entry added September 25, 2017

Wi-Fi
Available for:  All Apple Watch models
Impact: Malicious code executing on the Wi-Fi chip may be able to
execute arbitrary code with kernel privileges on the application
processor
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-7103: Gal Beniamini of Google Project Zero
CVE-2017-7105: Gal Beniamini of Google Project Zero
CVE-2017-7108: Gal Beniamini of Google Project Zero
CVE-2017-7110: Gal Beniamini of Google Project Zero
CVE-2017-7112: Gal Beniamini of Google Project Zero

Wi-Fi
Available for:  All Apple Watch models
Impact: Malicious code executing on the Wi-Fi chip may be able to
read restricted kernel memory
Description: A validation issue was addressed with improved input
sanitization.
CVE-2017-7116: Gal Beniamini of Google Project Zero

zlib
Available for:  All Apple Watch models
Impact: Multiple issues in zlib
Description: Multiple issues were addressed by updating to version
1.2.11.
CVE-2016-9840
CVE-2016-9841
CVE-2016-9842
CVE-2016-9843
Entry added September 25, 2017

Additional recognition

Security
We would like to acknowledge Abhinav Bansal of Zscaler, Inc.
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

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