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APPLE-SA-2016-10-24-1 iOS 10.1

iOS 10.1 is now available and addresses the following:

CFNetwork Proxies
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: An attacker in a privileged network position may be able to
leak sensitive user information
Description: A phishing issue existed in the handling of proxy
credentials. This issue was addressed by removing unsolicited proxy
password authentication prompts.
CVE-2016-7579: Jerry Decime

Contacts
Available for: iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: An application may be able to maintain access to the Address
Book after access is revoked in Settings
Description: An access control issue in the Address Book was
addressed through improved file-link validation.
CVE-2016-4686: Razvan Deaconescu, Mihai Chiroiu (University
POLITEHNICA of Bucharest); Luke Deshotels, William Enck (North
Carolina State University); Lucas Vincenzo Davi, Ahmad-Reza Sadeghi
(TU Darmstadt)

CoreGraphics
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: Viewing a maliciously crafted JPEG file may lead to arbitrary
code execution
Description: A memory corruption issue was addressed through improved
memory handling.
CVE-2016-4673: Marco Grassi (@marcograss) of KeenLab (@keen_lab),
Tencent

FaceTime
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: An attacker in a privileged network position may be able to
cause a relayed call to continue transmitting audio while appearing
as if the call terminated
Description: User interface inconsistencies existed in the handling
of relayed calls. These issues were addressed through improved
FaceTime display logic.
CVE-2016-4635: Martin Vigo (@martin_vigo) of salesforce.com

FontParser
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: Parsing a maliciously crafted font may disclose sensitive
user information
Description: An out-of-bounds read was addressed through improved
bounds checking.
CVE-2016-4660: Ke Liu of Tencent's Xuanwu Lab

Kernel
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: An application may be able to disclose kernel memory
Description: A validation issue was addressed through improved input
sanitization.
CVE-2016-4680: Max Bazaliy of Lookout and in7egral

libarchive
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: A malicious archive may be able to overwrite arbitrary files
Description: An issue existed within the path validation logic for
symlinks. This issue was addressed through improved path
sanitization.
CVE-2016-4679: Omer Medan of enSilo Ltd

libxpc
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: An application may be able to execute arbitrary code with
root privileges
Description: A logic issue was addressed through additional
restrictions.
CVE-2016-4675: Ian Beer of Google Project Zero

Sandbox Profiles
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: An application may be able to retrieve metadata of photo
directories
Description: An access issue was addressed through additional sandbox
restrictions on third party applications.
CVE-2016-4664: Razvan Deaconescu, Mihai Chiroiu (University
POLITEHNICA of Bucharest); Luke Deshotels, William Enck (North
Carolina State University); Lucas Vincenzo Davi, Ahmad-Reza Sadeghi
(TU Darmstadt)

Sandbox Profiles
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: An application may be able to retrieve metadata of audio
recording directories
Description: An access issue was addressed through additional sandbox
restrictions on third party applications.
CVE-2016-4665: Razvan Deaconescu, Mihai Chiroiu (University
POLITEHNICA of Bucharest); Luke Deshotels, William Enck (North
Carolina State University); Lucas Vincenzo Davi, Ahmad-Reza Sadeghi
(TU Darmstadt)

System Boot
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: A local user may be able to cause an unexpected system
termination or arbitrary code execution in the kernel
Description: Multiple input validation issues existed in MIG
generated code. These issues were addressed through improved
validation.
CVE-2016-4669: Ian Beer of Google Project Zero

WebKit
Available for:  iPhone 5 and later, iPad 4th generation and later,
iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed through
improved memory handling.
CVE-2016-4677: An anonymous researcher working with Trend Micro's
Zero Day Initiative

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 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 "10.1".

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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