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APPLE-SA-2012-03-07-2 iOS 5.1 Software Update

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APPLE-SA-2012-03-07-2 iOS 5.1 Software Update

iOS 5.1 Software Update is now available and addresses the following:

CFNetwork
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  Visiting a maliciously crafted website may lead to the
disclosure of sensitive information
Description:  An issue existed in CFNetwork's handling of malformed
URLs. When accessing a maliciously crafted URL, CFNetwork could send
unexpected request headers.
CVE-ID
CVE-2012-0641 : Erling Ellingsen of Facebook

HFS
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  Mounting a maliciously crafted disk image may lead to a
device shutdown or arbitrary code execution
Description:  An integer underflow existed with the handling of HFS
catalog files.
CVE-ID
CVE-2012-0642 : pod2g

Kernel
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  A malicious program could bypass sandbox restrictions
Description:  A logic issue existed in the handling of debug system
calls. This may allow a malicious program to gain code execution in
other programs with the same user privileges.
CVE-ID
CVE-2012-0643 : 2012 iOS Jailbreak Dream Team

libresolv
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  Applications that use the libresolv library may be
vulnerable to an unexpected application termination or arbitrary code
execution
Description:  An integer overflow existed in the handling of DNS
resource records, which may lead to heap memory corruption.
CVE-ID
CVE-2011-3453 : Ilja van Sprundel of IOActive

Passcode Lock
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  A person with physical access to the device may be able to
bypass the screen lock
Description:  A race condition issue existed in the handling of slide
to dial gestures. This may allow a person with physical access to the
device to bypass the Passcode Lock screen.
CVE-ID
CVE-2012-0644 : Roland Kohler of the German Federal Ministry of
Economics and Technology

Safari
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  Web page visits may be recorded in browser history even when
Private Browsing is active
Description:  Safari's Private Browsing is designed to prevent
recording of a browsing session. Pages visited as a result of a site
using the JavaScript methods pushState or replaceState were recorded
in the browser history even when Private Browsing mode was active.
This issue is addressed by not recording such visits when Private
Browsing is active.
CVE-ID
CVE-2012-0585 : Eric Melville of American Express

Siri
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  An attacker with physical access to a locked phone could get
access to frontmost email message
Description:  A design issue existed in Siri's lock screen
restrictions. If Siri was enabled for use on the lock screen, and
Mail was open with a message selected behind the lock screen, a voice
command could be used to send that message to an arbitrary recipient.
This issue is addressed by disabling forwarding of active messages
from the lock screen.
CVE-ID
CVE-2012-0645

VPN
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  A maliciously crafted system configuration file may lead to
arbitrary code execution with system privileges
Description:  A format string vulnerability existed in the handling
of racoon configuration files.
CVE-ID
CVE-2012-0646 : pod2g

WebKit
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  Visiting a maliciously crafted website may lead to the
disclosure of cookies
Description:  A cross-origin issue existed in WebKit, which may allow
cookies to be disclosed across origins.
CVE-ID
CVE-2011-3887 : Sergey Glazunov

WebKit
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  Visiting a maliciously crafted website and dragging content
with the mouse may lead to a cross-site scripting attack
Description:  A cross-origin issue existed in WebKit, which may allow
content to be dragged and dropped across origins.
CVE-ID
CVE-2012-0590 : Adam Barth of Google Chrome Security Team

WebKit
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  Visiting a maliciously crafted website may lead to a cross-
site scripting attack
Description:  Multiple cross-origin issues existed in WebKit.
CVE-ID
CVE-2011-3881 : Sergey Glazunov
CVE-2012-0586 : Sergey Glazunov
CVE-2012-0587 : Sergey Glazunov
CVE-2012-0588 : Jochen Eisinger of Google Chrome Team
CVE-2012-0589 : Alan Austin of polyvore.com

WebKit
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
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.
CVE-ID
CVE-2011-2825 : wushi of team509 working with TippingPoint's Zero Day
Initiative
CVE-2011-2833 : Apple
CVE-2011-2846 : Arthur Gerkis, miaubiz
CVE-2011-2847 : miaubiz, Abhishek Arya (Inferno) of Google Chrome
Security Team using AddressSanitizer
CVE-2011-2854 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2011-2855 : Arthur Gerkis, wushi of team509 working with iDefense
VCP
CVE-2011-2857 : miaubiz
CVE-2011-2860 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2011-2867 : Dirk Schulze
CVE-2011-2868 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2011-2869 : Cris Neckar of Google Chrome Security Team using
AddressSanitizer
CVE-2011-2870 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2011-2871 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2011-2872 : Abhishek Arya (Inferno) and Cris Neckar of Google
Chrome Security Team using AddressSanitizer
CVE-2011-2873 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2011-2877 : miaubiz
CVE-2011-3885 : miaubiz
CVE-2011-3888 : miaubiz
CVE-2011-3897 : pa_kt working with TippingPoint's Zero Day Initiative
CVE-2011-3908 : Aki Helin of OUSPG
CVE-2011-3909 : Google Chrome Security Team (scarybeasts) and Chu
CVE-2011-3928 : wushi of team509 working with TippingPoint's Zero Day
Initiative
CVE-2012-0591 : miaubiz, and Martin Barbella
CVE-2012-0592 : Alexander Gavrun working with TippingPoint's Zero Day
Initiative
CVE-2012-0593 : Lei Zhang of the Chromium development community
CVE-2012-0594 : Adam Klein of the Chromium development community
CVE-2012-0595 : Apple
CVE-2012-0596 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0597 : miaubiz
CVE-2012-0598 : Sergey Glazunov
CVE-2012-0599 : Dmytro Gorbunov of SaveSources.com
CVE-2012-0600 : Marshall Greenblatt, Dharani Govindan of Google
Chrome, miaubiz, Aki Helin of OUSPG, Apple
CVE-2012-0601 : Apple
CVE-2012-0602 : Apple
CVE-2012-0603 : Apple
CVE-2012-0604 : Apple
CVE-2012-0605 : Apple
CVE-2012-0606 : Apple
CVE-2012-0607 : Apple
CVE-2012-0608 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0609 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0610 : miaubiz, Martin Barbella using AddressSanitizer
CVE-2012-0611 : Martin Barbella using AddressSanitizer
CVE-2012-0612 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0613 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0614 : miaubiz, Martin Barbella using AddressSanitizer
CVE-2012-0615 : Martin Barbella using AddressSanitizer
CVE-2012-0616 : miaubiz
CVE-2012-0617 : Martin Barbella using AddressSanitizer
CVE-2012-0618 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0619 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0620 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0621 : Martin Barbella using AddressSanitizer
CVE-2012-0622 : Dave Levin and Abhishek Arya of the Google Chrome
Security Team
CVE-2012-0623 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0624 : Martin Barbella using AddressSanitizer
CVE-2012-0625 : Martin Barbella
CVE-2012-0626 : Abhishek Arya (Inferno) of Google Chrome Security
Team using AddressSanitizer
CVE-2012-0627 : Apple
CVE-2012-0628 : Slawomir Blazek, miaubiz, Abhishek Arya (Inferno) of
Google Chrome Security Team using AddressSanitizer
CVE-2012-0629 : Abhishek Arya (Inferno) of Google Chrome Security
Team
CVE-2012-0630 : Sergio Villar Senin of Igalia
CVE-2012-0631 : Abhishek Arya (Inferno) of Google Chrome Security
Team
CVE-2012-0632 : Cris Neckar of the Google Chrome Security Team using
AddressSanitizer
CVE-2012-0633 : Apple
CVE-2012-0635 : Julien Chaffraix of the Chromium development
community, Martin Barbella using AddressSanitizer


Installation note:

This update is only available through iTunes, 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 will automatically check Apple's update server on its weekly
schedule. When an update is detected, it will download it. When
the iPhone, iPod touch or iPad is docked, iTunes will present the
user with the option to install the update. We recommend applying
the update immediately if possible. Selecting Don't Install will
present the option the next time you connect your iPhone, iPod touch,
or iPad.

The automatic update process may take up to a week depending on the
day that iTunes checks for updates. You may manually obtain the
update via the Check for Updates button within iTunes. After doing
this, the update can be applied when your iPhone, iPod touch, or iPad
is docked to your computer.

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 "5.1".

Information will also be posted to the Apple Security Updates
web site: http://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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