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APPLE-SA-2018-9-24-4 Additional information for
APPLE-SA-2018-9-17-1 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.
Entry added September 24, 2018

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

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

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
Entry added September 24, 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

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: 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 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)
Entry added September 24, 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 MA1/4rAide AzA1/4nenek Anadolu Lisesi - Ankara/TA1/4rkiye,
Mehmet Ferit DaAtan of Van YA1/4zA1/4ncA1/4 YA+-l 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: an anonymous researcher

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 MA1/4rAide AzA1/4nenek Anadolu Lisesi - Ankara/TA1/4rkiye,
Mehmet Ferit DaAtan of Van YA1/4zA1/4ncA1/4 YA+-l 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: 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

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
Entry added September 24, 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: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2018-4299: Samuel GroI2 (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)
Entry added September 24, 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
Entry added September 24, 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 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
Entry added September 24, 2018

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
Entry added September 24, 2018

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
Entry added September 24, 2018

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)
Entry added September 24, 2018

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
Entry added September 24, 2018

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 Google OSS-Fuzz
Entry added September 24, 2018

Wi-Fi
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-2018-4338: Lee @ SECLAB, Yonsei University working with Trend
Micro's Zero Day Initiative

Additional recognition

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.

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.

Mail
We would like to acknowledge Alessandro Avagliano of Rocket
Internet SE, Gunnar Diepenbruck, and Zbyszek A>>A3Akiewski for their
assistance.

MediaRemote
We would like to acknowledge Brandon Azad 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 KlubiAka (@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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