U radu programskih paketa Safari i WebKit uočeno je i ispravljeno više sigurnosnih propusta. Udaljeni napadač je spomenute propuste mogao iskoristiti za proizvoljno pokretanje programskog koda, napad uskraćivanjem usluga (DoS), umetanje HTML i skriptnog koda te otkrivanje osjetljivih informacija.

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APPLE-SA-2012-05-07-1 iOS 5.1.1 Software Update

iOS 5.1.1 Software Update is now available and addresses the
following:

Safari
Available for:  iPhone 3GS, iPhone 4, iPhone 4S,
iPod touch (3rd generation) and later, iPad, iPad 2
Impact:  A maliciously crafted website may be able to spoof the
address in the location bar
Description:  A URL spoofing issue existed in Safari. This could be
used in a malicious web site to direct the user to a spoofed site
that visually appeared to be a legitimate domain. This issue is
addressed through improved URL handling. This issue does not affect
OS X systems.
CVE-ID
CVE-2012-0674 : David Vieira-Kurz of MajorSecurity
(majorsecurity.net)

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-site scripting issues existed in WebKit.
CVE-ID
CVE-2011-3046 : Sergey Glazunov working with Google's Pwnium contest
CVE-2011-3056 : 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 may lead to an
unexpected application termination or arbitrary code execution
Description:  A memory corruption issue existed in WebKit.
CVE-ID
CVE-2012-0672 : Adam Barth and Abhishek Arya of the Google Chrome
Security Team


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 "5.1.1".

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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