Date: Tue, 31 Oct 2017 11:30:31 -0700
From: Apple Product Security <product-security-noreply@...ts.apple.com>
To: security-announce@...ts.apple.com
Subject: [FD] APPLE-SA-2017-10-31-1 iOS 11.1

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APPLE-SA-2017-10-31-1 iOS 11.1

iOS 11.1 is now available and addresses the following:

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 an
unexpected application termination
Description: A denial of service issue was addressed through improved
memory handling.
CVE-2017-13849: Ro of SavSec

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-2017-13799: an anonymous researcher

Messages
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
access 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-2017-13844: Miguel Alvarado of iDeviceHelp INC

Siri
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
use Siri to read notifications of content that is set not to be
displayed at the lock screen
Description: An issue existed with Siri permissions. This was
addressed with improved permission checking.
CVE-2017-13805: Yiğit Can YILMAZ (@yilmazcanyigit)

StreamingZip
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious zip file may be able modify restricted areas of
the file system
Description: A path handling issue was addressed with improved
validation.
CVE-2017-13804: @qwertyoruiopz at KJC Research Intl. S.R.L.

UIKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Characters in a secure text field might be revealed
Description: The characters in a secure text field were revealed
during focus change events. This issue was addressed through improved
state management.
CVE-2017-7113: an anonymous researcher, Duraiamuthan Harikrishnan of
Tech Mahindra, Ricardo Sampayo of Bemo Ltd

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-2017-13785: Ivan Fratric of Google Project Zero
CVE-2017-13784: Ivan Fratric of Google Project Zero
CVE-2017-13783: Ivan Fratric of Google Project Zero
CVE-2017-13788: xisigr of Tencent's Xuanwu Lab (tencent.com)
CVE-2017-13798: Ivan Fratric of Google Project Zero
CVE-2017-13795: Ivan Fratric of Google Project Zero
CVE-2017-13802: Ivan Fratric of Google Project Zero
CVE-2017-13792: Ivan Fratric of Google Project Zero
CVE-2017-13794: Ivan Fratric of Google Project Zero
CVE-2017-13791: Ivan Fratric of Google Project Zero
CVE-2017-13796: Ivan Fratric of Google Project Zero
CVE-2017-13793: Hanul Choi working with Trend Micro's Zero Day
Initiative
CVE-2017-13803: chenqin (陈钦) of Ant-financial Light-Year Security

Wi-Fi
Available for: iPhone 7 and later, and iPad Pro 9.7-inch
(early 2016) and later
Impact: An attacker in Wi-Fi range may force nonce reuse in WPA
clients (Key Reinstallation Attacks - KRACK)
Description: A logic issue existed in the handling of state
transitions. This was addressed with improved state management.
CVE-2017-13080: Mathy Vanhoef of the imec-DistriNet group at KU
Leuven

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 "11.1".

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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