ESB-2018.0964 - [Apple iOS] watchOS: Multiple vulnerabilities 2018-04-03

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0964
                                watchOS 4.3
                               3 April 2018

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

Product:           watchOS
Publisher:         Apple
Operating System:  Apple iOS
Impact/Access:     Root Compromise          -- Remote/Unauthenticated      
                   Increased Privileges     -- Remote with User Interaction
                   Access Privileged Data   -- Remote with User Interaction
                   Denial of Service        -- Remote with User Interaction
                   Access Confidential Data -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-4167 CVE-2018-4166 CVE-2018-4163
                   CVE-2018-4162 CVE-2018-4161 CVE-2018-4158
                   CVE-2018-4157 CVE-2018-4155 CVE-2018-4150
                   CVE-2018-4146 CVE-2018-4144 CVE-2018-4143
                   CVE-2018-4142 CVE-2018-4129 CVE-2018-4125
                   CVE-2018-4122 CVE-2018-4121 CVE-2018-4117
                   CVE-2018-4115 CVE-2018-4114 CVE-2018-4113
                   CVE-2018-4104  

Reference:         ESB-2018.0963

Original Bulletin: 
   https://support.apple.com/en-au/HT208696

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APPLE-SA-2018-3-29-2 watchOS 4.3

watchOS 4.3 is now available and addresses the following:

CoreFoundation
Available for: All Apple Watch models
Impact: An application may be able to gain elevated privileges
Description: A race condition was addressed with additional
validation.
CVE-2018-4155: Samuel Gro=C3=9F (@5aelo)
CVE-2018-4158: Samuel Gro=C3=9F (@5aelo)

CoreText
Available for: All Apple Watch models
Impact: Processing a maliciously crafted string may lead to a denial
of service
Description: A denial of service issue was addressed through improved
memory handling.
CVE-2018-4142: Robin Leroy of Google Switzerland GmbH

File System Events
Available for: All Apple Watch models
Impact: An application may be able to gain elevated privileges
Description: A race condition was addressed with additional
validation.
CVE-2018-4167: Samuel Gro=C3=9F (@5aelo)

Kernel
Available for: All Apple Watch models
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2018-4150: an anonymous researcher

Kernel
Available for: All Apple Watch models
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input
sanitization.
CVE-2018-4104: The UK's National Cyber Security Centre (NCSC)

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-2018-4143: derrek (@derrekr6)

NSURLSession
Available for: All Apple Watch models
Impact: An application may be able to gain elevated privileges
Description: A race condition was addressed with additional
validation.
CVE-2018-4166: Samuel Gro=C3=9F (@5aelo)

Quick Look
Available for: All Apple Watch models
Impact: An application may be able to gain elevated privileges
Description: A race condition was addressed with additional
validation.
CVE-2018-4157: Samuel Gro=C3=9F (@5aelo)

Security
Available for: All Apple Watch models
Impact: A malicious application may be able to elevate privileges
Description: A buffer overflow was addressed with improved size
validation.
CVE-2018-4144: Abraham Masri (@cheesecakeufo)

System Preferences
Available for: All Apple Watch models
Impact: A configuration profile may incorrectly remain in effect
after removal
Description: An issue existed in CFPreferences. This issue was
addressed through improved preferences cleanup.
CVE-2018-4115: Johann Thalakada, Vladimir Zubkov, and Matt Vlasach of
Wandera

WebKit
Available for: All Apple Watch models
Impact: Unexpected interaction with indexing types causing an ASSERT
failure
Description: An array indexing issue existed in the handling of a
function in javascript core. This issue was addressed through
improved checks.
CVE-2018-4113: found by OSS-Fuzz

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to a
denial of service
Description: A memory corruption issue was addressed through improved
input validation.
CVE-2018-4146: found by OSS-Fuzz

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2018-4114: found by OSS-Fuzz
CVE-2018-4121: Natalie Silvanovich of Google Project Zero
CVE-2018-4122: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4125: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4129: likemeng of Baidu Security Lab working with Trend
Micro's Zero Day Initiative
CVE-2018-4161: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4162: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4163: WanderingGlitch of Trend Micro's Zero Day Initiative

WebKit
Available for: All Apple Watch models
Impact: A malicious website may exfiltrate data cross-origin
Description: A cross-origin issue existed with the fetch API. This
was addressed through improved input validation.
CVE-2018-4117: an anonymous researcher, an anonymous researcher

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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