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APPLE-SA-2015-04-08-3 iOS 8.3

iOS 8.3 is now available and addresses the following:

AppleKeyStore
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may be able to guess the user's
passcode
Description:  iOS allowed access to an interface which allowed
attempts to confirm the user's passcode. This issue was addressed
with improved entitlement checking.
CVE-ID
CVE-2015-1085

Audio Drivers
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 validation issue existed in IOKit objects used by an
audio driver. This issue was addressed through improved validation of
metadata.
CVE-ID
CVE-2015-1086

Backup
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An attacker may be able to use the backup system to access
restricted areas of the file system
Description:  An issue existed in the relative path evaluation logic
of the backup system. This issues was addressed through improved path
evaluation.
CVE-ID
CVE-2015-1087 : TaiG Jailbreak Team

Certificate Trust Policy
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Update to the certificate trust policy
Description:  The certificate trust policy was updated. The complete
list of certificates may be viewed at https://support.apple.com/en-
us/HT204132

CFNetwork
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Cookies belonging to one origin may be sent to another
origin
Description:  A cross-domain cookie issue existed in redirect
handling. Cookies set in a redirect response could be passed on to a
redirect target belonging to another origin. The issue was address
through improved handling of redirects.
CVE-ID
CVE-2015-1089 : Niklas Keller

CFNetwork
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A user may be unable to fully delete browsing history
Description:  Clearing Safari's history did not clear saved HTTP
Strict Transport Security state. The issue was addressed through
improved data deletion.
CVE-ID
CVE-2015-1090

CFNetwork Session
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Authentication credentials may be sent to a server on
another origin
Description:  A cross-domain HTTP request headers issue existed in
redirect handling. HTTP request headers sent in a redirect response
could be passed on to another origin. The issue was addressed through
improved handling of redirects.
CVE-ID
CVE-2015-1091 : Diego Torres (https://dtorres.me)

CFURL
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 arbitrary
code execution
Description:  An input validation issue existed within URL
processing. This issue was addressed through improved URL validation.
CVE-ID
CVE-2015-1088

Foundation
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An application using NSXMLParser may be misused to disclose
information
Description:  An XML External Entity issue existed in NSXMLParser's
handling of XML. This issue was addressed by not loading external
entities across origins.
CVE-ID
CVE-2015-1092 : Ikuya Fukumoto

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
arbitrary code execution
Description:  Multiple memory corruption issues existed in the
processing of font files. These issues were addressed through
improved bounds checking.
CVE-ID
CVE-2015-1093 : Marc Schoenefeld

IOAcceleratorFamily
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 IOAcceleratorFamily that led to the
disclosure of kernel memory content. This issue was addressed by
removing unneeded code.
CVE-ID
CVE-2015-1094 : Cererdlong of Alibaba Mobile Security Team

IOHIDFamily
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious HID device may be able to cause arbitrary code
execution
Description:  A memory corruption issue existed in an IOHIDFamily
API. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-1095 : Andrew Church

IOHIDFamily
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 IOHIDFamily that led to the
disclosure of kernel memory content. This issue was addressed through
improved bounds checking.
CVE-ID
CVE-2015-1096 : Ilja van Sprundel of IOActive

IOMobileFramebuffer
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 MobileFrameBuffer that led to the
disclosure of kernel memory content. This issue was addressed through
improved bounds checking.
CVE-ID
CVE-2015-1097 : Barak Gabai of the IBM X-Force Application Security
Research Team

iWork Viewer
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Opening a maliciously crafted iWork file may lead to
arbitrary code execution
Description:  A memory corruption issue existed in the handling of
iWork files. This issue was addressed through improved memory
handling.
CVE-ID
CVE-2015-1098 : Christopher Hickstein

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 cause a system denial
of service
Description:  A race condition existed in the kernel's setreuid
system call. This issue was addressed through improved state
management.
CVE-ID
CVE-2015-1099 : Mark Mentovai of Google Inc.

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious application may escalate privileges using a
compromised service intended to run with reduced privileges
Description:  setreuid and setregid system calls failed to drop
privileges permanently. This issue was addressed by correctly
dropping privileges.
CVE-ID
CVE-2015-1117 : Mark Mentovai of Google Inc.

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 cause unexpected
system termination or read kernel memory
Description:  A out of bounds memory access issue existed in the
kernel. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-1100 : Maxime Villard of m00nbsd

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:  A memory corruption issue existed in the kernel. This
issue was addressed through improved memory handling.
CVE-ID
CVE-2015-1101 : lokihardt@ASRT working with HP's Zero Day Initiative

Kernel
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 cause a denial of service
Description:  A state inconsistency existed in the processing of TCP
headers. This issue was addressed through improved state handling.
CVE-ID
CVE-2015-1102 : Andrey Khudyakov and Maxim Zhuravlev of Kaspersky Lab

Kernel
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 redirect user traffic to arbitrary hosts
Description:  ICMP redirects were enabled by default on iOS. This
issue was addressed by disabling ICMP redirects.
CVE-ID
CVE-2015-1103 : Zimperium Mobile Security Labs

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A remote attacker may be able to bypass network filters
Description:  The system would treat some IPv6 packets from remote
network interfaces as local packets. The issue was addressed by
rejecting these packets.
CVE-ID
CVE-2015-1104 : Stephen Roettger of the Google Security Team

Kernel
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 a denial of service
Description:  A state inconsistency issue existed in the handling of
TCP out of band data. This issue was addressed through improved state
management.
CVE-ID
CVE-2015-1105 : Kenton Varda of Sandstorm.io

Keyboards
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  QuickType could learn users' passcodes
Description:  When using Bluetooth keyboards, QuickType could learn
users' passcodes. This issue was addressed by preventing QuickType
from being displayed on the lockscreen.
CVE-ID
CVE-2015-1106 : Jarrod Dwenger, Steve Favorito, Paul Reedy of
ConocoPhillips, Pedro Tavares of Molecular Biophysics at
UCIBIO/FCT/UNL, De Paul Sunny, Christian Still of Evolve Media,
Canada

libnetcore
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Processing a maliciously crafted configuration profile may
lead to unexpected application termination
Description:  A memory corruption issue existed in the handling of
configuration profiles. This issue was addressed through improved
bounds checking.
CVE-ID
CVE-2015-1118 : Zhaofeng Chen, Hui Xue, Yulong Zhang, and Tao Wei of
FireEye, Inc.

Lock Screen
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An attacker in possession of a device may prevent erasing
the device after failed passcode attempts
Description:  In some circumstances, a device might not erase itself
after failed passcode attempts. This issue was addressed through
additional enforcement of erasure.
CVE-ID
CVE-2015-1107 : Brent Erickson, Stuart Ryan of University of
Technology, Sydney

Lock Screen
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An attacker in possession of a device may exceed the maximum
number of failed passcode attempts
Description:  In some circumstances, the failed passcode attempt
limit was not enforced. This issue was addressed through additional
enforcement of this limit.
CVE-ID
CVE-2015-1108

NetworkExtension
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  An attacker in possession of a device may be able to recover
VPN credentials
Description:  An issue existed in the handling of VPN configuration
logs. This issue was addressed by removing logging of credentials.
CVE-ID
CVE-2015-1109 : Josh Tway of IPVanish

Podcasts
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Unnecessary information may be sent to external servers when
downloading podcast assets
Description:  When downloading assets for podcast a user was
subscribed to, unique identifiers were sent to external servers. This
issue was resolved by removing these identifiers.
CVE-ID
CVE-2015-1110 : Alex Selivanov

Safari
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A user may be unable to fully delete browsing history
Description:  Clearing Safari's history did not clear "Recently
closed tabs". The issue was addressed through improved data deletion.
CVE-ID
CVE-2015-1111 : Frode Moe of LastFriday.no

Safari
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Users' browsing history may not be completely purged
Description:  A state management issue existed in Safari that
resulted in users' browsing history not being purged from
history.plist. This issue was addressed by improved state management.
CVE-ID
CVE-2015-1112 : William Breuer, The Netherlands

Sandbox Profiles
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 phone numbers
or email addresses of recent contacts
Description:  An information disclosure issue existed in the third-
party app sandbox. This issue was addressed by improving the sandbox
profile.
CVE-ID
CVE-2015-1113 : Andreas Kurtz of NESO Security Labs, Markus TroBbach
of Heilbronn University

Sandbox Profiles
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Hardware identifiers may be accessible by third-party apps
Description:  An information disclosure issue existed in the third-
party app sandbox. This issue was addressed by improving the sandbox
profile.
CVE-ID
CVE-2015-1114

Telephony
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 restricted
telephony functions
Description:  An access control issue existed in the telephony
subsystem. Sandboxed apps could access restricted telephony
functions. This issue was addressed with improved entitlement
checking.
CVE-ID
CVE-2015-1115 : Andreas Kurtz of NESO Security Labs, Markus TroBbach
of Heilbronn University

UIKit View
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Sensitive data may be exposed in application snapshots
presented in the Task Switcher
Description:  An issue existed in UIKit, which did not blur
application snapshots containing sensitive data in the Task Switcher.
This issue was addressed by correctly blurring the snapshot.
CVE-ID
CVE-2015-1116 : The mobile app team at HP Security Voltage, Aaron
Rogers of Mint.com, David Edwards of Tech4Tomorrow, David Zhang of
Dropbox

WebKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Inconsistent user interface may prevent users from
discerning a phishing attack
Description:  A user interface inconsistency existed in Safari that
allowed an attacker to misrepresent the URL. This issue was addressed
through improved user interface consistency checks.
CVE-ID
CVE-2015-1084 : Apple

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 arbitrary
code execution
Description:  Multiple memory corruption issues existed in WebKit.
These issues were addressed through improved memory handling.
CVE-ID
CVE-2015-1068 : Apple
CVE-2015-1069 : lokihardt@ASRT working with HP's Zero Day Initiative
CVE-2015-1070 : Apple
CVE-2015-1071 : Apple
CVE-2015-1072
CVE-2015-1073 : Apple
CVE-2015-1074 : Apple
CVE-2015-1076
CVE-2015-1077 : Apple
CVE-2015-1078 : Apple
CVE-2015-1079 : Apple
CVE-2015-1080 : Apple
CVE-2015-1081 : Apple
CVE-2015-1082 : Apple
CVE-2015-1083 : Apple
CVE-2015-1119 : Renata Hodovan of University of Szeged / Samsung
Electronics
CVE-2015-1120 : Apple
CVE-2015-1121 : Apple
CVE-2015-1122 : Apple
CVE-2015-1123 : Randy Luecke and Anoop Menon of Google Inc.
CVE-2015-1124 : Apple

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 a user
invoking a click on another website
Description:  An issue existed when handling touch events. A tap
could propagate to another website. The issue was addressed through
improved event handling.
CVE-ID
CVE-2015-1125 : Phillip Moon and Matt Weston of www.sandfield.co.nz

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 resources
of another origin being accessed
Description:  An issue existed in WebKit when handling credentials in
FTP URLs. This issue was address through improved decoding.
CVE-ID
CVE-2015-1126 : Jouko Pynnonen of Klikki Oy


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 "8.3".

Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT1222

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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