APPLE-SA-2011-04-14-2 iOS 4.2.7 Software Update for iPhone
APPLE-SA-2011-04-14-2 iOS 4.2.7 Software Update for iPhone
- Subject: APPLE-SA-2011-04-14-2 iOS 4.2.7 Software Update for iPhone
- From: Apple Product Security <email@hidden>
- Date: Thu, 14 Apr 2011 11:15:09 -0700
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APPLE-SA-2011-04-14-2 iOS 4.2.7 Software Update for iPhone
iOS 4.2.7 Software Update for iPhone is now available and addresses
the following:
Certificate Trust Policy
Available for: iOS 4.2.5 through 4.2.6 for iPhone 4 (CDMA)
Impact: An attacker with a privileged network position may intercept
user credentials or other sensitive information
Description: Several fraudulent SSL certificates were issued by a
Comodo affiliate registration authority. This may allow a man-in-the-
middle attacker to redirect connections and intercept user
credentials or other sensitive information. This issue is addressed
by blacklisting the fraudulent certificates. Note: For Mac OS X
systems, this issue is addressed with Security Update 2011-002. For
Windows systems, Safari relies on the certificate store of the host
operating system to determine if an SSL server certificate is
trustworthy. Applying the update described in Microsoft Knowledge
Base Article 2524375 will cause Safari to regard these certificates
as untrusted. The article is available at
http://support.microsoft.com/kb/2524375
QuickLook
Available for: iOS 4.2.5 through 4.2.6 for iPhone 4 (CDMA)
Impact: Viewing a maliciously crafted Microsoft Office file may lead
to an unexpected application termination or arbitrary code execution
Description: A memory corruption issues existed in QuickLook's
handling of Microsoft Office files. Viewing a maliciously crafted
Microsoft Office file may lead to an unexpected application
termination or arbitrary code execution.
CVE-ID
CVE-2011-1417 : Charlie Miller and Dion Blazakis working with
TippingPoint's Zero Day Initiative
WebKit
Available for: iOS 4.2.5 through 4.2.6 for iPhone 4 (CDMA)
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: An integer overflow issue existed in the handling of
nodesets. Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution.
CVE-ID
CVE-2011-1290 : Vincenzo Iozzo, Willem Pinckaers, Ralf-Philipp
Weinmann, and an anonymous researcher working with TippingPoint's
Zero Day Initiative
WebKit
Available for: iOS 4.2.5 through 4.2.6 for iPhone 4 (CDMA)
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A use after free issue existed in the handling of text
nodes. Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution.
CVE-ID
CVE-2011-1344 : Vupen Security working with TippingPoint's Zero Day
Initiative, and Martin Barbella
Installation note:
These updates are 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 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.
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 is docked to your
computer.
To check that the iPhone has been updated:
* Navigate to Settings
* Select General
* Select About. The version after applying this update will be
"4.2.7 (8E303)" or later.
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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