ESB-2018.1659.2 - UPDATE [Apple iOS] watchOS: Multiple vulnerabilities 2018-07-24

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             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.1659.2
                               watchOS 4.3.1
                               24 July 2018

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

Product:           watchOS
Publisher:         Apple
Operating System:  Apple iOS
Impact/Access:     Root Compromise                 -- Existing Account            
                   Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote/Unauthenticated      
                   Provide Misleading Information  -- Remote with User Interaction
                   Access Privileged Data          -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5383 CVE-2018-4249 CVE-2018-4246
                   CVE-2018-4243 CVE-2018-4241 CVE-2018-4240
                   CVE-2018-4237 CVE-2018-4235 CVE-2018-4233
                   CVE-2018-4226 CVE-2018-4225 CVE-2018-4224
                   CVE-2018-4223 CVE-2018-4222 CVE-2018-4218
                   CVE-2018-4214 CVE-2018-4211 CVE-2018-4206
                   CVE-2018-4201 CVE-2018-4198 CVE-2018-4192

Reference:         ESB-2018.2133
                   ESB-2018.1656
                   ESB-2018.1655
                   ESB-2018.1286
                   ESB-2018.1285

Original Bulletin: 
   https://support.apple.com/en-au/HT208851

Revision History:  July 24 2018: Additional bluetooth vulnerability added.
                   June  4 2018: Initial Release

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APPLE-SA-2018-7-23-5 Additional information for
APPLE-SA-2018-06-01-5 watchOS 4.3.1

watchOS 4.3.1 addresses the following:

Bluetooth
Not impacted: Apple Watch Series 3
Impact: An attacker in a privileged network position may be able to
intercept Bluetooth traffic
CVE-2018-5383: Lior Neumann and Eli Biham
Entry added July 23, 2018

Crash Reporter
Available for: All Apple Watch models
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved
error handling.
CVE-2018-4206: Ian Beer of Google Project Zero

FontParser
Available for: All Apple Watch models
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
validation.
CVE-2018-4211: Proteas of Qihoo 360 Nirvan Team

Kernel
Available for: All Apple Watch models
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A buffer overflow was addressed with improved bounds
checking.
CVE-2018-4241: Ian Beer of Google Project Zero
CVE-2018-4243: Ian Beer of Google Project Zero

Kernel
Available for: All Apple Watch models
Impact: An attacker in a privileged position may be able to perform a
denial of service attack
Description: A denial of service issue was addressed with improved
validation.
CVE-2018-4249: Kevin Backhouse of Semmle Ltd.

libxpc
Available for: All Apple Watch models
Impact: An application may be able to gain elevated privileges
Description: A logic issue was addressed with improved validation.
CVE-2018-4237: Samuel GroÃ\x{159} (@5aelo) working with Trend Micro's Zero
Day Initiative

Messages
Available for: All Apple Watch models
Impact: A local user may be able to conduct impersonation attacks
Description: An injection issue was addressed with improved input
validation.
CVE-2018-4235: Anurodh Pokharel of Salesforce.com

Messages
Available for: All Apple Watch models
Impact: Processing a maliciously crafted message may lead to a denial
of service
Description: This issue was addressed with improved message
validation.
CVE-2018-4240: Sriram (@Sri_Hxor) of PrimeFort Pvt. Ltd

Security
Available for: All Apple Watch models
Impact: A local user may be able to read a persistent device
identifier
Description: An authorization issue was addressed with improved state
management.
CVE-2018-4224: Abraham Masri (@cheesecakeufo)

Security
Available for: All Apple Watch models
Impact: A local user may be able to modify the state of the Keychain
Description: An authorization issue was addressed with improved state
management.
CVE-2018-4225: Abraham Masri (@cheesecakeufo)

Security
Available for: All Apple Watch models
Impact: A local user may be able to read a persistent account
identifier
Description: An authorization issue was addressed with improved state
management.
CVE-2018-4223: Abraham Masri (@cheesecakeufo)

Security
Available for: All Apple Watch models
Impact: A local user may be able to view sensitive user information
Description: An authorization issue was addressed with improved state
management.
CVE-2018-4226: Abraham Masri (@cheesecakeufo)

UIKit
Available for: All Apple Watch models
Impact: Processing a maliciously crafted text file may lead to a
denial of service
Description: A validation issue existed in the handling of text. This
issue was addressed with improved validation of text.
CVE-2018-4198: Hunter Byrnes

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A race condition was addressed with improved locking.
CVE-2018-4192: Markus Gaasedelen, Nick Burnett, and Patrick Biernat
of Ret2 Systems, Inc working with Trend Micro's Zero Day Initiative

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to an
unexpected Safari crash
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4214: found by OSS-Fuzz

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed with improved
memory handling.
CVE-2018-4246: 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-2018-4201: an anonymous researcher
CVE-2018-4218: Natalie Silvanovich of Google Project Zero
CVE-2018-4233: Samuel GroÃ\x{159} (@5aelo) working with Trend Micro's Zero
Day Initiative

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2018-4222: Natalie Silvanovich of Google Project Zero

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

- -------------------------------------------------------------------------------

APPLE-SA-2018-06-01-5 watchOS 4.3.1

watchOS 4.3.1 addresses the following:

Crash Reporter
Available for: All Apple Watch models
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved
error handling.
CVE-2018-4206: Ian Beer of Google Project Zero

FontParser
Available for: All Apple Watch models
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
validation.
CVE-2018-4211: Proteas of Qihoo 360 Nirvan Team

Kernel
Available for: All Apple Watch models
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A buffer overflow was addressed with improved bounds
checking.
CVE-2018-4241: Ian Beer of Google Project Zero
CVE-2018-4243: Ian Beer of Google Project Zero

Kernel
Available for: All Apple Watch models
Impact: An attacker in a privileged position may be able to perform a
denial of service attack
Description: A denial of service issue was addressed with improved
validation.
CVE-2018-4249: Kevin Backhouse of Semmle Ltd.

libxpc
Available for: All Apple Watch models
Impact: An application may be able to gain elevated privileges
Description: A logic issue was addressed with improved validation.
CVE-2018-4237: Samuel Gross (@5aelo) working with Trend Micro's Zero
Day Initiative

Messages
Available for: All Apple Watch models
Impact: A local user may be able to conduct impersonation attacks
Description: An injection issue was addressed with improved input
validation.
CVE-2018-4235: Anurodh Pokharel of Salesforce.com

Messages
Available for: All Apple Watch models
Impact: Processing a maliciously crafted message may lead to a denial
of service
Description: This issue was addressed with improved message
validation.
CVE-2018-4240: Sriram (@Sri_Hxor) of PrimeFort Pvt. Ltd

Security
Available for: All Apple Watch models
Impact: A local user may be able to read a persistent device
identifier
Description: An authorization issue was addressed with improved state
management.
CVE-2018-4224: Abraham Masri (@cheesecakeufo)

Security
Available for: All Apple Watch models
Impact: A local user may be able to modify the state of the Keychain
Description: An authorization issue was addressed with improved state
management.
CVE-2018-4225: Abraham Masri (@cheesecakeufo)

Security
Available for: All Apple Watch models
Impact: A local user may be able to read a persistent account
identifier
Description: An authorization issue was addressed with improved state
management.
CVE-2018-4223: Abraham Masri (@cheesecakeufo)

Security
Available for: All Apple Watch models
Impact: A local user may be able to view sensitive user information
Description: An authorization issue was addressed with improved state
management.
CVE-2018-4226: Abraham Masri (@cheesecakeufo)

UIKit
Available for: All Apple Watch models
Impact: Processing a maliciously crafted text file may lead to a
denial of service
Description: A validation issue existed in the handling of text. This
issue was addressed with improved validation of text.
CVE-2018-4198: Hunter Byrnes

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A race condition was addressed with improved locking.
CVE-2018-4192: Markus Gaasedelen, Nick Burnett, and Patrick Biernat
of Ret2 Systems, Inc working with Trend Micro's Zero Day Initiative

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to an
unexpected Safari crash
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4214: found by OSS-Fuzz

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed with improved
memory handling.
CVE-2018-4246: 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-2018-4201: an anonymous researcher
CVE-2018-4218: Natalie Silvanovich of Google Project Zero
CVE-2018-4233: Samuel Gross (@5aelo) working with Trend Micro's Zero
Day Initiative

WebKit
Available for: All Apple Watch models
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2018-4222: Natalie Silvanovich of Google Project Zero

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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