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APPLE-SA-2015-08-13-3 iOS 8.4.1
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APPLE-SA-2015-08-13-3 iOS 8.4.1



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APPLE-SA-2015-08-13-3 iOS 8.4.1

iOS 8.4.1 is now available and addresses the following:

AppleFileConduit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A maliciously crafted afc command may allow access to
protected parts of the filesystem
Description:  An issue existed in the symbolic linking mechanism of
afc. This issue was addressed by adding additional path checks.
CVE-ID
CVE-2015-5746 : evad3rs, TaiG Jailbreak Team

Air Traffic
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  AirTraffic may have allowed access to protected parts of the
filesystem
Description:  A path traversal issue existed in asset handling. This
was addressed with improved validation.
CVE-ID
CVE-2015-5766 : TaiG Jailbreak Team

Backup
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to create symlinks to
protected regions of the disk
Description:  An issue existed within the path validation logic for
symlinks. This issue was addressed through improved path
sanitization.
CVE-ID
CVE-2015-5752 : TaiG Jailbreak Team

bootp
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious Wi-Fi network may be able to determine networks
a device has previously accessed
Description:  Upon connecting to a Wi-Fi network, iOS may have
broadcast MAC addresses of previously accessed networks via the DNAv4
protocol. This issue was addressed through disabling DNAv4 on
unencrypted Wi-Fi networks.
CVE-ID
CVE-2015-3778 : Piers O'Hanlon of Oxford Internet Institute,
University of Oxford (on the EPSRC Being There project)

Certificate UI
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An attacker with a privileged network position may be able
to accept untrusted certificates from the lock screen
Description:  Under certain circumstances, the device may have
presented a certificate trust dialog while in a locked state. This
issue was addressed through improved state management.
CVE-ID
CVE-2015-3756 : Andy Grant of NCC Group

CloudKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to access the iCloud
user record of a previously signed in user
Description:  A state inconsistency existed in CloudKit when signing
out users. This issue was addressed through improved state handling.
CVE-ID
CVE-2015-3782 : Deepkanwal Plaha of University of Toronto

CFPreferences
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious app may be able to read other apps' managed
preferences
Description:  An issue existed in the third-party app sandbox. This
issue was addressed by improving the third-party sandbox profile.
CVE-ID
CVE-2015-3793 : Andreas Weinlein of the Appthority Mobility Threat
Team

Code Signing
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to execute unsigned code
Description:  An issue existed that allowed unsigned code to be
appended to signed code in a specially crafted executable file. This
issue was addressed through improved code signature validation.
CVE-ID
CVE-2015-3806 : TaiG Jailbreak Team

Code Signing
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A specially crafted executable file could allow unsigned,
malicious code to execute
Description:  An issue existed in the way multi-architecture
executable files were evaluated that could have allowed unsigned code
to be executed. This issue was addressed through improved validation
of executable files.
CVE-ID
CVE-2015-3803 : TaiG Jailbreak Team

Code Signing
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A local user may be able to execute unsigned code
Description:  A validation issue existed in the handling of Mach-O
files. This was addressed by adding additional checks.
CVE-ID
CVE-2015-3802 : TaiG Jailbreak Team
CVE-2015-3805 : TaiG Jailbreak Team

CoreMedia Playback
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Viewing a maliciously crafted movie file may lead to an
unexpected application termination or arbitrary code execution
Description:  A memory corruption issue existed in CoreMedia
Playback. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-5777 : Apple
CVE-2015-5778 : Apple

CoreText
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing a maliciously crafted font file may lead to an
unexpected application termination or arbitrary code execution
Description:  A memory corruption issue existed in the processing of
font files. This issue was addressed through improved input
validation.
CVE-ID
CVE-2015-5755 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-5761 : John Villamil (@day6reak), Yahoo Pentest Team

DiskImages
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing a maliciously crafted DMG file may lead to an
unexpected application termination or arbitrary code execution with
system privileges
Description:  A memory corruption issue existed in parsing of
malformed DMG images. This issue was addressed through improved
memory handling.
CVE-ID
CVE-2015-3800 : Frank Graziano of the Yahoo Pentest Team

FontParser
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing a maliciously crafted font file may lead to an
unexpected application termination or arbitrary code execution
Description:  A memory corruption issue existed in the processing of
font files. This issue was addressed through improved input
validation.
CVE-ID
CVE-2015-3804 : Apple
CVE-2015-5756 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-5775 : Apple

ImageIO
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing a maliciously crafted .tiff file may lead to an
unexpected application termination or arbitrary code execution
Description:  A memory corruption issue existed in the processing of
.tiff files. This issue was addressed through improved bounds
checking.
CVE-ID
CVE-2015-5758 : Apple

ImageIO
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Visiting a maliciously crafted website may result in the
disclosure of process memory
Description:  An uninitialized memory access issue existed in
ImageIO's handling of PNG images. Visiting a malicious website may
result in sending data from process memory to the website. This issue
was addressed through improved memory initialization and additional
validation of PNG images.
CVE-ID
CVE-2015-5781 : Michal Zalewski

ImageIO
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Visiting a maliciously crafted website may result in the
disclosure of process memory
Description:  An uninitialized memory access issue existed in
ImageIO's handling of TIFF images. Visiting a malicious website may
result in sending data from process memory to the website. This issue
is addressed through improved memory initialization and additional
validation of TIFF images.
CVE-ID
CVE-2015-5782 : Michal Zalewski

IOKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Parsing a maliciously crafted plist may lead to an
unexpected application termination or arbitrary code execution with
system privileges
Description:  A memory corruption existed in processing of malformed
plists. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-3776 : Teddy Reed of Facebook Security, Patrick Stein
(@jollyjinx) of Jinx Germany

IOHIDFamily
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A local user may be able to execute arbitrary code with
system privileges
Description:  A buffer overflow issue existed in IOHIDFamily. This
issue was addressed through improved memory handling.
CVE-ID
CVE-2015-5774 : TaiG Jailbreak Team

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to determine kernel
memory layout
Description:  An issue existed in the mach_port_space_info interface,
which could have led to the disclosure of kernel memory layout. This
was addressed by disabling the mach_port_space_info interface.
CVE-ID
CVE-2015-3766 : Cererdlong of Alibaba Mobile Security Team,
@PanguTeam

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to execute arbitrary
code with system privileges
Description:  An integer overflow existed in the handling of IOKit
functions. This issue was addressed through improved validation of
IOKit API arguments.
CVE-ID
CVE-2015-3768 : Ilja van Sprundel

Libc
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing a maliciously crafted regular expression may lead
to an unexpected application termination or arbitrary code execution
Description:  A memory corruption issue existed in the TRE library.
This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-3796 : Ian Beer of Google Project Zero
CVE-2015-3797 : Ian Beer of Google Project Zero
CVE-2015-3798 : Ian Beer of Google Project Zero

Libinfo
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A remote attacker may be able to cause unexpected
application termination or arbitrary code execution
Description:  A memory corruption issue existed in handling AF_INET6
sockets. This issue was addressed by improved memory handling.
CVE-ID
CVE-2015-5776 : Apple

libpthread
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to execute arbitrary
code with system privileges
Description:  A memory corruption issue existed in handling syscalls.
This issue was addressed through improved lock state checking.
CVE-ID
CVE-2015-5757 : Lufeng Li of Qihoo 360

libxml2
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Parsing a maliciously crafted XML document may lead to
disclosure of user information
Description:  A memory corruption issue existed in parsing of XML
files. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-3807 : Michal Zalewski

libxml2
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Multiple vulnerabilities existed in libxml2 versions prior
to 2.9.2, the most serious of which may allow a remote attacker to
cause a denial of service
Description:  Multiple vulnerabilities existed in libxml2 versions
prior to 2.9.2. These were addressed by updating libxml2 to version
2.9.2.
CVE-ID
CVE-2012-6685 : Felix Groebert of Google
CVE-2014-0191 : Felix Groebert of Google
CVE-2014-3660 : Felix Groebert of Google

libxpc
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to execute arbitrary
code with system privileges
Description:  A memory corruption issue existed in handling of
malformed XPC messages. This issue was improved through improved
bounds checking.
CVE-ID
CVE-2015-3795 : Mathew Rowley

Location Framework
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A local user may be able to modify protected parts of the
filesystem
Description:  A symbolic link issue was addressed through improved
path validation.
CVE-ID
CVE-2015-3759 : Cererdlong of Alibaba Mobile Security Team

MobileInstallation
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious enterprise application may be able to replace
extensions for other apps
Description:  An issue existed in the install logic for universal
provisioning profile apps, which allowed a collision to occur with
existing bundle IDs. This issue was addressed through improved bundle
ID validation.
CVE-ID
CVE-2015-5770 : FireEye

MSVDX Driver
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Viewing a malicious video may lead to a unexpected system
termination
Description:  A denial of service issue was addressed through
improved memory handling.
CVE-ID
CVE-2015-5769 : Proteas of Qihoo 360 Nirvan Team

Office Viewer
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Parsing a maliciously crafted XML file may lead to
disclosure of user information
Description:  An external entity reference issue existed in XML file
parsing. This issue was addressed through improved parsing.
CVE-ID
CVE-2015-3784 : Bruno Morisson of INTEGRITY S.A.

QL Office
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Parsing a maliciously crafted office document may lead to an
unexpected application termination or arbitrary code execution
Description:  A memory corruption issue existed in parsing of office
documents. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-5773 : Apple

Safari
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Visiting a malicious website may lead to user interface
spoofing
Description:  A malicious website could open another site and prompt
for user input without a way for the user to tell where the prompt
originated. The issue was addressed by displaying the prompt's origin
to the user.
CVE-ID
CVE-2015-3729 : Code Audit Labs of VulnHunt.com

Safari
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious website may trigger an infinite number of alert
messages
Description:  An issue existed where a malicious or hacked website
could show infinite alert messages and make users believe their
browser was locked. The issue was addressed through throttling of
JavaScript alerts.
CVE-ID
CVE-2015-3763

Sandbox_profiles
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An malicious app may be able to read other apps' managed
preferences
Description:  An issue existed in the third-party app sandbox. This
issue was addressed by improving the third-party sandbox profile.
CVE-ID
CVE-2015-5749 : Andreas Weinlein of the Appthority Mobility Threat
Team

UIKit WebView
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to initiate FaceTime
calls without user authorization
Description:  An issue existed in the parsing of FaceTime URLs within
WebViews. This issue was addressed through improved URL validation.
CVE-ID
CVE-2015-3758 : Brian Simmons of Salesforce, Guillaume Ross

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  Multiple memory corruption issues existed in WebKit.
These issues were addressed through improved memory handling.
CVE-ID
CVE-2015-3730 : Apple
CVE-2015-3731 : Apple
CVE-2015-3732 : Apple
CVE-2015-3733 : Apple
CVE-2015-3734 : Apple
CVE-2015-3735 : Apple
CVE-2015-3736 : Apple
CVE-2015-3737 : Apple
CVE-2015-3738 : Apple
CVE-2015-3739 : Apple
CVE-2015-3740 : Apple
CVE-2015-3741 : Apple
CVE-2015-3742 : Apple
CVE-2015-3743 : Apple
CVE-2015-3744 : Apple
CVE-2015-3745 : Apple
CVE-2015-3746 : Apple
CVE-2015-3747 : Apple
CVE-2015-3748 : Apple
CVE-2015-3749 : Apple

Web
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Visiting a malicious website may lead to user interface
spoofing
Description:  Navigating to a malformed URL may have allowed a
malicious website to display an arbitrary URL. This issue was
addressed through improved URL handling.
CVE-ID
CVE-2015-3755 : xisigr of Tencent's Xuanwu Lab

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious website may exfiltrate image data cross-origin
Description:  Images fetched through URLs that redirected to a
data:image resource could have been exfiltrated cross-origin. This
issue was addressed through improved canvas taint tracking.
CVE-ID
CVE-2015-3753 : Antonio Sanso and Damien Antipa of Adobe

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious website can trigger plaintext requests to an
origin under HTTP Strict Transport Security
Description:  An issue existed where Content Security Policy report
requests would not honor HTTP Strict Transport Security (HSTS). The
issue was addressed by applying HSTS to CSP.
CVE-ID
CVE-2015-3750 : Muneaki Nishimura (nishimunea)

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious website can make a tap event produce a synthetic
click on another page
Description:  An issue existed in how synthetic clicks are generated
from tap events that could cause clicks to target other pages. The
issue was addressed through restricted click propagation.
CVE-ID
CVE-2015-5759 : Phillip Moon and Matt Weston of Sandfield

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Content Security Policy report requests may leak cookies
Description:  Two issues existed in how cookies were added to Content
Security Policy report requests. Cookies were sent in cross-origin
report requests in violation of the standard. Cookies set during
regular browsing were sent in private browsing. These issues were
addressed through improved cookie handling.
CVE-ID
CVE-2015-3752 : Muneaki Nishimura (nishimunea)

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Image loading may violate a website's Content Security
Policy directive
Description:  An issue existed where websites with video controls
would load images nested in object elements in violation of the
website's Content Security Policy directive. This issue was addressed
through improved Content Security Policy enforcement.
CVE-ID
CVE-2015-3751 : Muneaki Nishimura (nishimunea)


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 "8.4.1".

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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