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             AUSCERT External Security Bulletin Redistribution

                               ESB-2010.0109
            iPhone OS 3.1.3 and iPhone OS 3.1.3 for iPod touch
                              3 February 2010

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           iPhone OS 3.1.3
Publisher:         Apple
Operating System:  Mac OS X
                   Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
                   Access Confidential Data        -- Console/Physical            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2010-0038 CVE-2010-0036 CVE-2009-3384
                   CVE-2009-2841 CVE-2009-2285 

Reference:         ESB-2010.0052
                   ESB-2009.1500

Original Bulletin: 
   http://support.apple.com/kb/HT4013

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APPLE-SA-2010-02-02-1 iPhone OS 3.1.3 and iPhone OS 3.1.3 for iPod
touch

iPhone OS 3.1.3 and iPhone OS 3.1.3 for iPod touch is now available
and addresses the following:

CoreAudio
CVE-ID:  CVE-2010-0036
Available for:  iPhone OS 1.0 through 3.1.2,
iPhone OS for iPod touch 1.1 through 3.1.2
Impact:  Playing a maliciously crafted mp4 audio file may lead to an
unexpected application termination or arbitrary code execution
Description:  A buffer overflow exists in the handling of mp4 audio
files. Playing a maliciously crafted mp4 audio file may lead to an
unexpected application termination or arbitrary code execution. This
issue is addressed through improved bounds checking. Credit to Credit
to Tobias Klein of trapkit.de for reporting this issue.

ImageIO
CVE-ID:  CVE-2009-2285
Available for:  iPhone OS 1.0 through 3.1.2,
iPhone OS for iPod touch 1.1 through 3.1.2
Impact:  Viewing a maliciously crafted TIFF image may lead to an
unexpected application termination or arbitrary code execution
Description:  A buffer underflow exists in ImageIO's handling of TIFF
images. Viewing a maliciously crafted TIFF image may lead to an
unexpected application termination or arbitrary code execution. This
issue is addressed through improved bounds checking.

Recovery Mode
CVE-ID:  CVE-2010-0038
Available for:  iPhone OS 1.0 through 3.1.2,
iPhone OS for iPod touch 1.1 through 3.1.2
Impact:  A person with physical access to a locked device may be able
to access the user's data
Description:  A memory corruption issue exists in the handling of a
certain USB control message. A person with physical access to the
device could use this to bypass the passcode and access the user's
data. This issue is addressed through improved handling of the USB
control message.

WebKit
CVE-ID:  CVE-2009-3384
Available for:  iPhone OS 1.0 through 3.1.2,
iPhone OS for iPod touch 1.1 through 3.1.2
Impact:  Accessing a maliciously crafted FTP server could result in
an unexpected application termination, information disclosure, or
arbitrary code execution
Description:  Multiple input validation issues exist in WebKit's
handling of FTP directory listings. Accessing a maliciously crafted
FTP server may lead to information disclosure, unexpected application
termination, or execution of arbitrary code. This update addresses
the issues through improved parsing of FTP directory listings. Credit
to Michal Zalewski of Google Inc. for reporting these issues.

WebKit
CVE-ID:  CVE-2009-2841
Available for:  iPhone OS 1.0 through 3.1.2,
iPhone OS for iPod touch 1.1 through 3.1.2
Impact:  Mail may load remote audio and video content when remote
image loading is disabled
Description:  When WebKit encounters an HTML 5 Media Element pointing
to an external resource, it does not issue a resource load callback
to determine if the resource should be loaded. This may result in
undesired requests to remote servers. As an example, the sender of an
HTML-formatted email message could use this to determine that the
message was read. This issue is addressed by generating resource load
callbacks when WebKit encounters an HTML 5 Media Element.


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 or iPod touch 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 or iPod touch.

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 or iPod touch is
docked to your computer.

To check that the iPhone or iPod touch has been updated:

* Navigate to Settings
* Select General
* Select About. The version after applying this update will be
"3.1.3 (7E18)" 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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        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
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