ESB-2018.3347.2 - UPDATE [Apple iOS] Apple iOS: Multiple vulnerabilities 2018-11-01

Printable version
PGP/GPG verifiable version

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.3347.2
                      APPLE-SA-2018-10-30-1 iOS 12.1
                              1 November 2018

===========================================================================

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

Product:           Apple iOS
Publisher:         Apple
Operating System:  Apple iOS
Impact/Access:     Root Compromise                 -- Existing Account            
                   Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Increased Privileges            -- Existing Account            
                   Access Privileged Data          -- Existing Account            
                   Cross-site Scripting            -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
                   Provide Misleading Information  -- Remote with User Interaction
                   Access Confidential Data        -- Remote/Unauthenticated      
                   Unauthorised Access             -- Existing Account            
                   Reduced Security                -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5383 CVE-2018-4427 CVE-2018-4426
                   CVE-2018-4425 CVE-2018-4420 CVE-2018-4419
                   CVE-2018-4416 CVE-2018-4414 CVE-2018-4413
                   CVE-2018-4412 CVE-2018-4409 CVE-2018-4408
                   CVE-2018-4407 CVE-2018-4401 CVE-2018-4400
                   CVE-2018-4399 CVE-2018-4398 CVE-2018-4395
                   CVE-2018-4394 CVE-2018-4392 CVE-2018-4391
                   CVE-2018-4390 CVE-2018-4388 CVE-2018-4387
                   CVE-2018-4386 CVE-2018-4385 CVE-2018-4384
                   CVE-2018-4383 CVE-2018-4382 CVE-2018-4378
                   CVE-2018-4377 CVE-2018-4376 CVE-2018-4375
                   CVE-2018-4374 CVE-2018-4373 CVE-2018-4372
                   CVE-2018-4371 CVE-2018-4369 CVE-2018-4368
                   CVE-2018-4367 CVE-2018-4366 CVE-2018-4365
                   CVE-2018-4363 CVE-2018-4362 CVE-2018-4361
                   CVE-2018-4360 CVE-2018-4359 CVE-2018-4358
                   CVE-2018-4356 CVE-2018-4355 CVE-2018-4354
                   CVE-2018-4352 CVE-2018-4347 CVE-2018-4345
                   CVE-2018-4344 CVE-2018-4343 CVE-2018-4341
                   CVE-2018-4340 CVE-2018-4337 CVE-2018-4336
                   CVE-2018-4335 CVE-2018-4333 CVE-2018-4332
                   CVE-2018-4331 CVE-2018-4329 CVE-2018-4328
                   CVE-2018-4326 CVE-2018-4325 CVE-2018-4323
                   CVE-2018-4322 CVE-2018-4321 CVE-2018-4319
                   CVE-2018-4318 CVE-2018-4317 CVE-2018-4316
                   CVE-2018-4315 CVE-2018-4314 CVE-2018-4313
                   CVE-2018-4312 CVE-2018-4311 CVE-2018-4310
                   CVE-2018-4309 CVE-2018-4307 CVE-2018-4306
                   CVE-2018-4305 CVE-2018-4304 CVE-2018-4299
                   CVE-2018-4203 CVE-2018-4197 CVE-2018-4191
                   CVE-2018-4126 CVE-2016-1777 

Original Bulletin: 
   https://support.apple.com/en-au/HT209192
   https://support.apple.com/en-au/HT201222

Comment: This bulletin contains two (2) Apple security advisories.

Revision History:  November  1 2018: New CVEs added
                   October  31 2018: Initial Release

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APPLE-SA-2018-10-30-1 iOS 12.1

iOS 12.1 is now available and addresses the following:

AppleAVD
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing malicious video via FaceTime may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4384: Natalie Silvanovich of Google Project Zero

Contacts
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing a maliciously crafted vcf file may lead to a
denial of service
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2018-4365: an anonymous researcher

CoreCrypto
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An attacker may be able to exploit a weakness in the
Miller-Rabin primality test to incorrectly identify prime numbers
Description: An issue existed in the method for determining prime
numbers. This issue was addressed by using pseudorandom bases for
testing of primes.
CVE-2018-4398: Martin Albrecht, Jake Massimo and Kenny Paterson of
Royal Holloway, University of London, and Juraj Somorovsky of Ruhr
University, Bochum

FaceTime
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A remote attacker may be able to leak memory
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4366: Natalie Silvanovich of Google Project Zero

FaceTime
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A remote attacker may be able to initiate a FaceTime call
causing arbitrary code execution
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4367: Natalie Silvanovich of Google Project Zero

Graphics Driver
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A remote attacker may be able to initiate a FaceTime call
causing arbitrary code execution
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4384: Natalie Silvanovich of Google Project Zero

ICU
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing a maliciously crafted string may lead to heap
corruption
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4394: an anonymous researcher

IOHIDFamily
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4427: Pangu Team

IPSec
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to gain elevated privileges
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2018-4371: Tim Michaud (@TimGMichaud) of Leviathan Security Group

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed by removing the
vulnerable code.
CVE-2018-4420: Mohamed Ghannam (@_simo36)

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to read restricted memory
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2018-4413: Juwei Lin (@panicaII) of TrendMicro Mobile Security
Team

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4419: Mohamed Ghannam (@_simo36)

Messages
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing a maliciously crafted text message may lead to UI
spoofing
Description: An inconsistent user interface issue was addressed with
improved state management.
CVE-2018-4390: Rayyan Bijoora (@Bijoora) of The City School, PAF
Chapter
CVE-2018-4391: Rayyan Bijoora (@Bijoora) of The City School, PAF
Chapter

NetworkExtension
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Connecting to a VPN server may leak DNS queries to a DNS
proxy
Description: A logic issue was addressed with improved state
management.
CVE-2018-4369: an anonymous researcher

Notes
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A local attacker may be able to share items from the lock
screen
Description: A lock screen issue allowed access to the share function
on a locked device. This issue was addressed by restricting options
offered on a locked device.
CVE-2018-4388: videosdebarraquito

Safari Reader
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Enabling the Safari Reader feature on a maliciously crafted
webpage may lead to universal cross site scripting
Description: A logic issue was addressed with improved validation.
CVE-2018-4374: Ryan Pickren (ryanpickren.com)

Safari Reader
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Enabling the Safari Reader feature on a maliciously crafted
webpage may lead to universal cross site scripting
Description: A cross-site scripting issue existed in Safari. This
issue was addressed with improved URL validation.
CVE-2018-4377: Ryan Pickren (ryanpickren.com)

Security
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing a maliciously crafted S/MIME signed message may
lead to a denial of service
Description: A validation issue was addressed with improved logic.
CVE-2018-4400: Yukinobu Nagayasu of LAC Co., Ltd.

VoiceOver
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A local attacker may be able to view photos from the lock
screen
Description: A lock screen issue allowed access to photos via Reply
With Message on a locked device. This issue was addressed with
improved state management.
CVE-2018-4387: videosdebarraquito

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Visiting a malicious website may lead to address bar spoofing
Description: A logic issue was addressed with improved state
management.
CVE-2018-4385: an anonymous researcher

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2018-4372: HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of KAIST
Softsec Lab, Korea
CVE-2018-4373: ngg, alippai, DirtYiCE, KT of Tresorit working with
Trend Micro's Zero Day Initiative
CVE-2018-4375: Yu Haiwan and Wu Hongjun From Nanyang Technological
University working with Trend Micro's Zero Day Initiative
CVE-2018-4376: 010 working with Trend Micro's Zero Day Initiative
CVE-2018-4382: lokihardt of Google Project Zero
CVE-2018-4386: lokihardt of Google Project Zero
CVE-2018-4392: zhunki of 360 ESG Codesafe Team
CVE-2018-4416: lokihardt of Google Project Zero

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious website may be able to cause a denial of service
Description: A resource exhaustion issue was addressed with improved
input validation.
CVE-2018-4409: Sabri Haddouche (@pwnsdx) of Wire Swiss GmbH

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to code
execution
Description: A memory corruption issue was addressed with improved
validation.
CVE-2018-4378: an anonymous researcher, zhunki of 360 ESG Codesafe
Team

WiFi
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4368: Milan Stute and Alex Mariotto of Secure Mobile
Networking Lab at Technische Universität Darmstadt

Additional recognition

Certificate Signing
We would like to acknowledge YiÄ\x{159}it Can YILMAZ (@yilmazcanyigit) for
their assistance.

CommonCrypto
We would like to acknowledge an anonymous researcher for their
assistance.

iBooks
We would like to acknowledge Sem Voigtländer of Fontys Hogeschool
ICT for their assistance.

Security
We would like to acknowledge Marinos Bernitsas of Parachute for their
assistance.

Installation note:

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/

iTunes and Software Update on the device will automatically check
Apple's update server on its weekly schedule. When an update is
detected, it is downloaded and the option to be installed is
presented to the user when the iOS device is docked. We recommend
applying the update immediately if possible. Selecting Don't Install
will present the option the next time you connect your iOS device.

The automatic update process may take up to a week depending on the
day that iTunes or the device checks for updates. You may manually
obtain the update via the Check for Updates button within iTunes, or
the Software Update on your device.

To check that the iPhone, iPod touch, or iPad has been updated:

* Navigate to Settings
* Select General
* Select About. The version after applying this update
will be "iOS 12.1".

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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APPLE-SA-2018-10-30-8 Additional information for
APPLE-SA-2018-9-24-4 iOS 12

iOS 12 addresses the following:

Accounts
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A local app may be able to read a persistent account
identifier
Description: This issue was addressed with improved entitlements.
CVE-2018-4322: Min (Spark) Zheng, Xiaolong Bai of Alibaba Inc.

Auto Unlock
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to access local users
AppleIDs
Description: A validation issue existed in the entitlement
verification. This issue was addressed with improved validation of
the process entitlement.
CVE-2018-4321: Min (Spark) Zheng, Xiaolong Bai of Alibaba Inc.

Bluetooth
Available for: iPhone SE, iPhone 6s, iPhone 6s Plus, iPhone 7,
iPhone 7 Plus, iPad Mini 4, 12.9-inch iPad Pro 1st generation,
12.9-inch iPad Pro 2nd generation, 10.5-inch iPad Pro,
9.7-inch iPad Pro, iPad 5th generation, and iPod Touch 6th generation
Impact: An attacker in a privileged network position may be able to
intercept Bluetooth traffic
Description: An input validation issue existed in Bluetooth. This
issue was addressed with improved input validation.
CVE-2018-5383: Lior Neumann and Eli Biham

CFNetwork
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4126: Bruno Keith (@bkth_) working with Trend Micro's Zero
Day Initiative
Entry added October 30, 2018

CoreFoundation
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to elevate privileges
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4412: The UK's National Cyber Security Centre (NCSC)
Entry added October 30, 2018

CoreFoundation
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4414: The UK's National Cyber Security Centre (NCSC)
Entry added October 30, 2018

CoreMedia
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An app may be able to learn information about the current
camera view before being granted camera access
Description: A permissions issue existed. This issue was addressed
with improved permission validation.
CVE-2018-4356: an anonymous researcher

CoreText
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing a maliciously crafted text file may lead to
arbitrary code execution
Description: A use after free issue was addressed with improved
memory management.
CVE-2018-4347: an anonymous researcher
Entry added October 30, 2018

Crash Reporter
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input
sanitization.
CVE-2018-4333: Brandon Azad

Grand Central Dispatch
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4426: Brandon Azad
Entry added October 30, 2018

Heimdal
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4331: Brandon Azad
CVE-2018-4332: Brandon Azad
CVE-2018-4343: Brandon Azad
Entry added October 30, 2018

iBooks
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Parsing a maliciously crafted iBooks file may lead to
disclosure of user information
Description: A configuration issue was addressed with additional
restrictions.
CVE-2018-4355: evi1m0 of bilibili security team
Entry added October 30, 2018

IOHIDFamily
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: A memory corruption issue was addressed with improved
input validation
CVE-2018-4408: Ian Beer of Google Project Zero
Entry added October 30, 2018

IOKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to break out of its
sandbox
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2018-4341: Ian Beer of Google Project Zero
CVE-2018-4354: Ian Beer of Google Project Zero
Entry added October 30, 2018

IOKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2018-4383: Apple
Entry added October 30, 2018

IOMobileFrameBuffer
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input
sanitization.
CVE-2018-4335: Brandon Azad

IOUserEthernet
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4401: Apple
Entry added October 30, 2018

iTunes Store
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to leak sensitive user
information
Description: An access issue existed with privileged API calls. This
issue was addressed with additional restrictions.
CVE-2018-4399: Fabiano Anemone (@anoane)
Entry added October 30, 2018

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An attacker in a privileged network position may be able to
execute arbitrary code
Description: A memory corruption issue was addressed with improved
validation.
CVE-2018-4407: Kevin Backhouse of Semmle Ltd.
Entry added October 30, 2018

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4337: Ian Beer of Google Project Zero
CVE-2018-4340: Mohamed Ghannam (@_simo36)
CVE-2018-4344: The UK's National Cyber Security Centre (NCSC)
CVE-2018-4425: cc working with Trend Micro's Zero Day Initiative,
Juwei Lin (@panicaII) of Trend Micro working with Trend Micro's Zero
Day Initiative
Entry added October 30, 2018

mDNSOffloadUserClient
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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-2018-4326: an anonymous researcher working with Trend Micro's
Zero Day Initiative, Zhuo Liang of Qihoo 360 Nirvan Team
Entry added October 30, 2018

MediaRemote
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A sandboxed process may be able to circumvent sandbox
restrictions
Description: An access issue was addressed with additional sandbox
restrictions.
CVE-2018-4310: CodeColorist of Ant-Financial LightYear Labs
Entry added October 30, 2018

Messages
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A local user may be able to discover a user's deleted
messages
Description: A consistency issue existed in the handling of
application snapshots. The issue was addressed with improved handling
of message deletions.
CVE-2018-4313: 11 anonymous researchers, David Scott, Enes Mert
Ulu of Abdullah MürÅ\x{159}ide Yenenek Anadolu Lisesi -
Ankara Turkiye, Mehmet Ferit Daltan of Van Y 
University, Metin Altug Karakaya of Kaliptus Medical Organization,
Vinodh Swami of Western Governor's University (WGU)

Notes
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A local user may be able to discover a user's deleted notes
Description: A consistency issue existed in the handling of
application snapshots. The issue was addressed with improved handling
of notes deletions.
CVE-2018-4352: Utku Altinkaynak

Safari
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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 Maide Alnenek Anadolu Lisesi -
Ankara/Turkiye, Mehmet Ferit Daltan of Van Nuy
University, Metin Altug Karakaya of Kaliptus Medical Organization,
Vinodh Swami of Western Governor's University (WGU)

Safari
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A user may be unable to delete browsing history items
Description: Clearing a history item may not clear visits with
redirect chains. The issue was addressed with improved data deletion.
CVE-2018-4329: Hugo S. Diaz (coldpointblue)

SafariViewController
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Visiting a malicious website may lead to address bar spoofing
Description: An inconsistent user interface issue was addressed with
improved state management.
CVE-2018-4362: Jun Kokatsu (@shhnjk)

Security
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious website may be able to exfiltrate autofilled data
in Safari
Description: A logic issue was addressed with improved state
management.
CVE-2018-4307: Rafay Baloch of Pakistan Telecommunications Authority

Security
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A local user may be able to cause a denial of service
Description: This issue was addressed with improved checks.
CVE-2018-4395: Patrick Wardle of Digita Security
Entry added October 30, 2018

Security
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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

Status Bar
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A person with physical access to an iOS device may be able to
determine the last used app from the lock screen
Description: A logic issue was addressed with improved restrictions.
CVE-2018-4325: Brian Adeloye

Symptom Framework
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2018-4203: Bruno Keith (@bkth_) working with Trend Micro's Zero
Day Initiative
Entry added October 30, 2018

Text
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing a maliciously crafted text file may lead to a
denial of service
Description: A denial of service issue was addressed with improved
validation.
CVE-2018-4304: jianan.huang (@Sevck)
Entry added October 30, 2018

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
state management.
CVE-2018-4316: crixer, Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan
Team

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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 Groiz (saelo) working with Trend Micro's Zero
Day Initiative
CVE-2018-4323: Ivan Fratric of Google Project Zero
CVE-2018-4328: Ivan Fratric of Google Project Zero
CVE-2018-4358: @phoenhex team (@bkth_ @5aelo @_niklasb) working with
Trend Micro's Zero Day Initiative
CVE-2018-4359: Samuel Groa (@5aelo)
CVE-2018-4360: William Bowling (@wcbowling)
Entry added October 30, 2018

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A use after free issue was addressed with improved
memory management.
CVE-2018-4197: Ivan Fratric of Google Project Zero
CVE-2018-4306: Ivan Fratric of Google Project Zero
CVE-2018-4312: Ivan Fratric of Google Project Zero
CVE-2018-4314: Ivan Fratric of Google Project Zero
CVE-2018-4315: Ivan Fratric of Google Project Zero
CVE-2018-4317: Ivan Fratric of Google Project Zero
CVE-2018-4318: Ivan Fratric of Google Project Zero

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious website may exfiltrate image data cross-origin
Description: A cross-site scripting issue existed in Safari. This
issue was addressed with improved URL validation.
CVE-2018-4345: an anonymous researcher

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
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: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious website may be able to execute scripts in the
context of another website
Description: A cross-site scripting issue existed in Safari. This
issue was addressed with improved URL validation.
CVE-2018-4309: an anonymous researcher working with Trend Micro's
Zero Day Initiative

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Unexpected interaction causes an ASSERT failure
Description: A memory consumption issue was addressed with improved
memory handling.
CVE-2018-4361: found by OSS-Fuzz

Additional recognition

APFS
We would like to acknowledge Umang Raghuvanshi for their assistance.

Assets
We would like to acknowledge Brandon Azad for their assistance.

configd
We would like to acknowledge Sabri Haddouche (@pwnsdx) of Wire Swiss
GmbH for their assistance.

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

CoreSymbolication
We would like to acknowledge Brandon Azad for their assistance.

Exchange ActiveSync
We would like to acknowledge Jesse Thompson of University of
Wisconsin-Madison for their assistance.

Feedback Assistant
We would like to acknowledge Marco Grassi (@marcograss) of KeenLab
(@keen_lab) Tencent working with Trend Micro's Zero Day Initiative
for their assistance.

Kernel
We would like to acknowledge Brandon Azad for their assistance.

Mail
We would like to acknowledge Alessandro Avagliano of Rocket Internet
SE, Gunnar Diepenbruck,
and Zbyszek Akiewski for their assistance.

MediaRemote
We would like to acknowledge Brandon Azad for their assistance.

Quick Look
We would like to acknowledge lokihardt of Google Project Zero for
their assistance.

Safari
We would like to acknowledge Marcel Manz of SIMM-Comm GmbH and Vlad
Galbin 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.

Security
We would like to acknowledge Christoph Sinai, Daniel Dudek
(@dannysapples) of The Irish Times and Filip KlubiÄ\x{141}ka (@lemoncloak)
of ADAPT Centre, Dublin Institute of Technology, Istvan Csanady of
Shapr3D, Omar Barkawi of ITG Software, Inc., Phil Caleno, Wilson
Ding, and an anonymous researcher for their assistance.

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

Status Bar
We would like to acknowledge Ju Zhu of Meituan and Moony Li and
Lilang Wu of Trend Micro for their assistance.

WebKit
We would like to acknowledge Cary Hartline, Hanming Zhang from 360
Vuclan team, Tencent Keen Security Lab working with Trend Micro's
Zero Day Initiative, and Zach Malone of CA Technologies for their
assistance.

Installation note:

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/

iTunes and Software Update on the device will automatically check
Apple's update server on its weekly schedule. When an update is
detected, it is downloaded and the option to be installed is
presented to the user when the iOS device is docked. We recommend
applying the update immediately if possible. Selecting Don't Install
will present the option the next time you connect your iOS device.

The automatic update process may take up to a week depending on the
day that iTunes or the device checks for updates. You may manually
obtain the update via the Check for Updates button within iTunes, or
the Software Update on your device.

To check that the iPhone, iPod touch, or iPad has been updated:

* Navigate to Settings
* Select General
* Select About. The version after applying this update
will be "iOS 12".

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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