Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2017.2372.2
IOS 11
26 September 2017
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Apple iOS
Publisher: Apple
Operating System: Apple iOS
Impact/Access: Root Compromise -- Remote with User Interaction
Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Privileged Data -- Remote with User Interaction
Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-1000373 CVE-2017-11121 CVE-2017-11120
CVE-2017-11103 CVE-2017-10989 CVE-2017-9233
CVE-2017-7148 CVE-2017-7146 CVE-2017-7145
CVE-2017-7144 CVE-2017-7140 CVE-2017-7139
CVE-2017-7133 CVE-2017-7131 CVE-2017-7130
CVE-2017-7129 CVE-2017-7128 CVE-2017-7127
CVE-2017-7120 CVE-2017-7118 CVE-2017-7117
CVE-2017-7116 CVE-2017-7115 CVE-2017-7114
CVE-2017-7112 CVE-2017-7111 CVE-2017-7110
CVE-2017-7109 CVE-2017-7108 CVE-2017-7107
CVE-2017-7106 CVE-2017-7105 CVE-2017-7104
CVE-2017-7103 CVE-2017-7102 CVE-2017-7100
CVE-2017-7099 CVE-2017-7098 CVE-2017-7097
CVE-2017-7096 CVE-2017-7095 CVE-2017-7094
CVE-2017-7093 CVE-2017-7092 CVE-2017-7091
CVE-2017-7090 CVE-2017-7089 CVE-2017-7088
CVE-2017-7087 CVE-2017-7086 CVE-2017-7085
CVE-2017-7083 CVE-2017-7081 CVE-2017-7080
CVE-2017-7078 CVE-2017-7072 CVE-2017-0381
CVE-2016-9843 CVE-2016-9842 CVE-2016-9841
CVE-2016-9840 CVE-2016-9063
Reference: ASB-2017.0002
ASB-2016.0107
ESB-2017.2428
ESB-2017.2426
ESB-2017.2425
ESB-2017.2397.2
Original Bulletin:
https://support.apple.com/kb/HT201222
Revision History: September 26 2017: Additional information
September 20 2017: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
APPLE-SA-2017-09-25-4
Additional information for APPLE-SA-2017-09-19-1 iOS 11
iOS 11 addresses the following:
Bluetooth
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: An application may be able to access restricted files
Description: A privacy issue existed in the handling of Contact
cards. This was addressed with improved state management.
CVE-2017-7131: Dominik Conrads of Federal Office for Information
Security, an anonymous researcher, Elvis (@elvisimprsntr), an
anonymous researcher
Entry added September 25, 2017
CFNetwork Proxies
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
cause a denial of service
Description: Multiple denial of service issues were addressed through
improved memory handling.
CVE-2017-7083: Abhinav Bansal of Zscaler Inc.
Entry added September 25, 2017
CoreAudio
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 by updating to Opus
version 1.1.4.
CVE-2017-0381: V.E.O (@VYSEa) of Mobile Threat Research Team, Trend
Micro
Entry added September 25, 2017
Exchange ActiveSync
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
erase a device during Exchange account setup
Description: A validation issue existed in AutoDiscover V1. This was
addressed by requiring TLS for AutoDiscover V1. AutoDiscover V2 is
now supported.
CVE-2017-7088: Ilya Nesterov, Maxim Goncharov
Heimdal
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
impersonate a service
Description: A validation issue existed in the handling of the KDC-
REP service name. This issue was addressed through improved
validation.
CVE-2017-11103: Jeffrey Altman, Viktor Duchovni, and Nico Williams
Entry added September 25, 2017
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 a
persistent denial-of-service
Description: Multiple denial of service issues were addressed through
improved memory handling.
CVE-2017-7072: JA\x{153}drzej Krysztofiak
Entry added September 25, 2017
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-2017-7114: Alex Plaskett of MWR InfoSecurity
Entry added September 25, 2017
Keyboard Suggestions
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Keyboard autocorrect suggestions may reveal sensitive
information
Description: The iOS keyboard was inadvertently caching sensitive
information. This issue was addressed with improved heuristics.
CVE-2017-7140: an anonymous researcher
Entry added September 25, 2017
libc
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: A remote attacker may be able to cause a denial-of-service
Description: A resource exhaustion issue in glob() was addressed
through an improved algorithm.
CVE-2017-7086: Russ Cox of Google
Entry added September 25, 2017
libc
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: An application may be able to cause a denial of service
Description: A memory consumption issue was addressed through
improved memory handling.
CVE-2017-1000373
Entry added September 25, 2017
libexpat
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Multiple issues in expat
Description: Multiple issues were addressed by updating to version
2.2.1
CVE-2016-9063
CVE-2017-9233
Entry added September 25, 2017
Location Framework
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: An application may be able to read sensitive location
information
Description: A permissions issue existed in the handling of the
location variable. This was addressed with additional ownership
checks.
CVE-2017-7148: an anonymous researcher, an anonymous researcher
Entry added September 25, 2017
Mail Drafts
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: An attacker with a privileged network position may be able to
intercept mail contents
Description: An encryption issue existed in the handling of mail
drafts. This issue was addressed with improved handling of mail
drafts meant to be sent encrypted.
CVE-2017-7078: an anonymous researcher, an anonymous researcher, an
anonymous researcher
Entry added September 25, 2017
Mail MessageUI
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Processing a maliciously crafted image may lead to a denial
of service
Description: A memory corruption issue was addressed with improved
validation.
CVE-2017-7097: Xinshu Dong and Jun Hao Tan of Anquan Capital
Messages
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Processing a maliciously crafted image may lead to a denial
of service
Description: A denial of service issue was addressed through improved
validation.
CVE-2017-7118: Kiki Jiang and Jason Tokoph
MobileBackup
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Backup may perform an unencrypted backup despite a
requirement to perform only encrypted backups
Description: A permissions issue existed. This issue was addressed
with improved permission validation.
CVE-2017-7133: Don Sparks of HackediOS.com
Phone
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: A screenshot of secure content may be taken when locking an
iOS device
Description: A timing issue existed in the handling of locking. This
issue was addressed by disabling screenshots while locking.
CVE-2017-7139: an anonymous researcher
Entry added September 25, 2017
Safari
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-2017-7085: xisigr of Tencent's Xuanwu Lab (tencent.com)
Security
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: A revoked certificate may be trusted
Description: A certificate validation issue existed in the handling
of revocation data. This issue was addressed through improved
validation.
CVE-2017-7080: an anonymous researcher, an anonymous researcher,
Sven Driemecker of adesso mobile solutions gmbh,
Rune Darrud (@theflyingcorpse) of BA|rum kommune
Entry added September 25, 2017
Security
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: A malicious app may be able to track users between installs
Description: A permission checking issue existed in the handling of
an app's Keychain data. This issue was addressed with improved
permission checking.
CVE-2017-7146: an anonymous researcher
Entry added September 25, 2017
SQLite
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Multiple issues in SQLite
Description: Multiple issues were addressed by updating to
version 3.19.3.
CVE-2017-10989: found by OSS-Fuzz
CVE-2017-7128: found by OSS-Fuzz
CVE-2017-7129: found by OSS-Fuzz
CVE-2017-7130: found by OSS-Fuzz
Entry added September 25, 2017
SQLite
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-2017-7127: an anonymous researcher
Entry added September 25, 2017
Time
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: "Setting Time Zone" may incorrectly indicate that it is using
location
Description: A permissions issue existed in the process that handles
time zone information. The issue was resolved by modifying
permissions.
CVE-2017-7145: an anonymous researcher
Entry added September 25, 2017
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 through improved
input validation.
CVE-2017-7081: Apple
Entry added September 25, 2017
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-2017-7087: Apple
CVE-2017-7091: Wei Yuan of Baidu Security Lab working with Trend
Microa\x{128}\x{153}s Zero Day Initiative
CVE-2017-7092: Samuel Gro and Niklas Baumstark working with Trend
Micro's Zero Day Initiative, Qixun Zhao (@S0rryMybad) of Qihoo 360
Vulcan Team
CVE-2017-7093: Samuel Gro and Niklas Baumstark working with Trend
Microa\x{128}\x{153}s Zero Day Initiative
CVE-2017-7094: Tim Michaud (@TimGMichaud) of Leviathan Security Group
CVE-2017-7095: Wang Junjie, Wei Lei, and Liu Yang of Nanyang
Technological University working with Trend Microa\x{128}\x{153}s Zero Day
Initiative
CVE-2017-7096: Wei Yuan of Baidu Security Lab
CVE-2017-7098: Felipe Freitas of Instituto TecnolA3gico de AeronA!utica
CVE-2017-7099: Apple
CVE-2017-7100: Masato Kinugawa and Mario Heiderich of Cure53
CVE-2017-7102: Wang Junjie, Wei Lei, and Liu Yang of Nanyang
Technological University
CVE-2017-7104: likemeng of Baidu Secutity Lab
CVE-2017-7107: Wang Junjie, Wei Lei, and Liu Yang of Nanyang
Technological University
CVE-2017-7111: likemeng of Baidu Security Lab (xlab.baidu.com)
working with Trend Micro's Zero Day Initiative
CVE-2017-7117: lokihardt of Google Project Zero
CVE-2017-7120: chenqin (e\x{153}\x{136}e\x{146}|) of Ant-financial Light-Year Security
Lab
Entry added September 25, 2017
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
universal cross site scripting
Description: A logic issue existed in the handling of the parent-tab.
This issue was addressed with improved state management.
CVE-2017-7089: Anton Lopanitsyn of ONSEC, Frans RosA(C)n of Detectify
Entry added September 25, 2017
WebKit
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Cookies belonging to one origin may be sent to another origin
Description: A permissions issue existed in the handling of web
browser cookies. This issue was addressed by no longer returning
cookies for custom URL schemes.
CVE-2017-7090: Apple
Entry added September 25, 2017
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: An inconsistent user interface issue was addressed with
improved state management.
CVE-2017-7106: Oliver Paukstadt of Thinking Objects GmbH (to.com)
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 a
cross site scripting attack
Description: Application Cache policy may be unexpectedly applied.
CVE-2017-7109: avlidienbrunn
Entry added September 25, 2017
WebKit
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: A malicious website may be able to track users in Safari
private browsing mode
Description: A permissions issue existed in the handling of web
browser cookies. This issue was addressed with improved restrictions.
CVE-2017-7144: an anonymous researcher
Entry added September 25, 2017
Wi-Fi
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: An attacker within range may be able to execute arbitrary
code on the Wi-Fi chip
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-11120: Gal Beniamini of Google Project Zero
CVE-2017-11121: Gal Beniamini of Google Project Zero
Entry added September 25, 2017
Wi-Fi
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Malicious code executing on the Wi-Fi chip may be able to
execute arbitrary code with kernel privileges on the application
processor
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2017-7103: Gal Beniamini of Google Project Zero
CVE-2017-7105: Gal Beniamini of Google Project Zero
CVE-2017-7108: Gal Beniamini of Google Project Zero
CVE-2017-7110: Gal Beniamini of Google Project Zero
CVE-2017-7112: Gal Beniamini of Google Project Zero
Wi-Fi
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Malicious code executing on the Wi-Fi chip may be able to
execute arbitrary code with kernel privileges on the application
processor
Description: Multiple race conditions were addressed through improved
validation.
CVE-2017-7115: Gal Beniamini of Google Project Zero
Wi-Fi
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Malicious code executing on the Wi-Fi chip may be able to
read restricted kernel memory
Description: A validation issue was addressed with improved input
sanitization.
CVE-2017-7116: Gal Beniamini of Google Project Zero
zlib
Available for: iPhone 5s and later, iPad Air and later,
and iPod touch 6th generation
Impact: Multiple issues in zlib
Description: Multiple issues were addressed by updating to version
1.2.11.
CVE-2016-9840
CVE-2016-9841
CVE-2016-9842
CVE-2016-9843
Entry added September 25, 2017
Additional recognition
Security
We would like to acknowledge Abhinav Bansal of Zscaler, Inc.
for their assistance.
Webkit
We would like to acknowledge xisigr of Tencent's Xuanwu Lab
(tencent.com) 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 "11".
Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/render.html?cid=1980
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=y/XG
-----END PGP SIGNATURE-----