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AUSCERT External Security Bulletin Redistribution
ESB-2019.4009
Multiple vulnerabilities have been identified in Apple iOS and iPadOS
30 October 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Apple iOS
Apple iPadOS
Publisher: Apple
Operating System: Apple iOS
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Cross-site Scripting -- Remote with User Interaction
Denial of Service -- Existing Account
Access Confidential Data -- Remote/Unauthenticated
Provide Misleading Information -- Remote with User Interaction
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-8823 CVE-2019-8822 CVE-2019-8821
CVE-2019-8820 CVE-2019-8819 CVE-2019-8816
CVE-2019-8815 CVE-2019-8814 CVE-2019-8813
CVE-2019-8812 CVE-2019-8811 CVE-2019-8808
CVE-2019-8804 CVE-2019-8803 CVE-2019-8798
CVE-2019-8797 CVE-2019-8795 CVE-2019-8794
CVE-2019-8793 CVE-2019-8789 CVE-2019-8788
CVE-2019-8787 CVE-2019-8786 CVE-2019-8785
CVE-2019-8784 CVE-2019-8783 CVE-2019-8782
CVE-2017-7152
Original Bulletin:
https://support.apple.com/kb/HT201222
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APPLE-SA-2019-10-29-1 iOS 13.2 and iPadOS 13.2
iOS 13.2 and iPadOS 13.2 are now available and address the following:
Accounts
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: A remote attacker may be able to leak memory
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2019-8787: Steffen Klee of Secure Mobile Networking Lab at
Technische Universität Darmstadt
App Store
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: A local attacker may be able to login to the account of a
previously logged in user without valid credentials.
Description: An authentication issue was addressed with improved
state management.
CVE-2019-8803: Kiyeon An, 차민ê·\x{156} (CHA Minkyu)
Associated Domains
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: Improper URL processing may lead to data exfiltration
Description: An issue existed in the parsing of URLs. This issue was
addressed with improved input validation.
CVE-2019-8788: Juha Lindstedt of Pakastin, Mirko Tanania, Rauli
Rikama of Zero Keyboard Ltd
Audio
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th 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-2019-8785: Ian Beer of Google Project Zero
CVE-2019-8797: 08Tc3wBB working with SSD Secure Disclosure
AVEVideoEncoder
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th 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-2019-8795: 08Tc3wBB working with SSD Secure Disclosure
Books
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: Parsing a maliciously crafted iBooks file may lead to
disclosure of user information
Description: A validation issue existed in the handling of symlinks.
This issue was addressed with improved validation of symlinks.
CVE-2019-8789: Gertjan Franken of imec-DistriNet, KU Leuven
Contacts
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: Processing a maliciously contact may lead to UI spoofing
Description: An inconsistent user interface issue was addressed with
improved state management.
CVE-2017-7152: Oliver Paukstadt of Thinking Objects GmbH (to.com)
File System Events
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th 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-2019-8798: ABC Research s.r.o. working with Trend Micro's Zero
Day Initiative
Graphics Driver
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th 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-2019-8784: Vasiliy Vasilyev and Ilya Finogeev of Webinar, LLC
Kernel
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input
sanitization.
CVE-2019-8794: 08Tc3wBB working with SSD Secure Disclosure
Kernel
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th 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-2019-8786: an anonymous researcher
Screen Time
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: A local user may be able to record the screen without a
visible screen recording indicator
Description: A consistency issue existed in deciding when to show the
screen recording indicator. The issue was resolved with improved
state management.
CVE-2019-8793: Ryan Jenkins of Lake Forrest Prep School
Setup Assistant
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: An attacker in physical proximity may be able to force a user
onto a malicious Wi-Fi network during device setup
Description: An inconsistency in Wi-Fi network configuration settings
was addressed.
CVE-2019-8804: Christy Philip Mathew of Zimperium, Inc
WebKit
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th generation
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting
Description: A logic issue was addressed with improved state
management.
CVE-2019-8813: an anonymous researcher
WebKit
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th 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-2019-8782: Cheolung Lee of LINE+ Security Team
CVE-2019-8783: Cheolung Lee of LINE+ Graylab Security Team
CVE-2019-8808: found by OSS-Fuzz
CVE-2019-8811: Soyeon Park of SSLab at Georgia Tech
CVE-2019-8812: an anonymous researcher
CVE-2019-8814: Cheolung Lee of LINE+ Security Team
CVE-2019-8816: Soyeon Park of SSLab at Georgia Tech
CVE-2019-8819: Cheolung Lee of LINE+ Security Team
CVE-2019-8820: Samuel GroÃ\x{159} of Google Project Zero
CVE-2019-8821: Sergei Glazunov of Google Project Zero
CVE-2019-8822: Sergei Glazunov of Google Project Zero
CVE-2019-8823: Sergei Glazunov of Google Project Zero
WebKit Process Model
Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4
and later, and iPod touch 7th 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-2019-8815: Apple
Additional recognition
CFNetwork
We would like to acknowledge Lily Chen of Google for their
assistance.
Kernel
We would like to acknowledge Jann Horn of Google Project Zero for
their assistance.
WebKit
We would like to acknowledge Dlive of Tencent's Xuanwu Lab and Zhiyi
Zhang of Codesafe Team of Legendsec at Qi'anxin Group 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 13.2 and iPadOS 13.2".
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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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