About the security content of iOS 6
Learn about the security content of iOS 6.
iOS 6 can be downloaded and installed using iTunes.
This document describes the security content of iOS 6.
For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.
For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key."
Where possible, CVE IDs are used to reference the vulnerabilities for further information.
To learn about other Security Updates, see "Apple Security Updates".
iOS 6
CFNetwork
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
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. CFNetwork may send requests to an incorrect hostname, resulting in the disclosure of sensitive information. This issue was addressed through improvements to URL handling.
CVE-ID
CVE-2012-3724 : Erling Ellingsen of Facebook
CoreGraphics
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Multiple vulnerabilities in FreeType
Description: Multiple vulnerabilities existed in FreeType, the most serious of which may lead to arbitrary code execution when processing a maliciously crafted font. These issues were addressed by updating FreeType to version 2.4.9. Further information is available via the FreeType site at http://www.freetype.org/
CVE-ID
CVE-2012-1126
CVE-2012-1127
CVE-2012-1128
CVE-2012-1129
CVE-2012-1130
CVE-2012-1131
CVE-2012-1132
CVE-2012-1133
CVE-2012-1134
CVE-2012-1135
CVE-2012-1136
CVE-2012-1137
CVE-2012-1138
CVE-2012-1139
CVE-2012-1140
CVE-2012-1141
CVE-2012-1142
CVE-2012-1143
CVE-2012-1144
CoreMedia
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Viewing a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code execution
Description: An uninitialized memory access existed in the handling of Sorenson encoded movie files. This issue was addressed through improved memory initialization.
CVE-ID
CVE-2012-3722 : Will Dormann of the CERT/CC
DHCP
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A malicious Wi-Fi network may be able to determine networks a device has previously accessed
Description: Upon connecting to a Wi-Fi network, iOS may broadcast MAC addresses of previously accessed networks per the DNAv4 protocol. This issue was addressed by disabling DNAv4 on unencrypted Wi-Fi networks.
CVE-ID
CVE-2012-3725 : Mark Wuergler of Immunity, Inc.
ImageIO
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Viewing a maliciously crafted TIFF file may lead to an unexpected application termination or arbitrary code execution
Description: A buffer overflow existed in libtiff's handling of ThunderScan encoded TIFF images. This issue was addressed by updating libtiff to version 3.9.5.
CVE-ID
CVE-2011-1167
ImageIO
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Viewing a maliciously crafted PNG image may lead to an unexpected application termination or arbitrary code execution
Description: Multiple memory corruption issues existed in libpng's handling of PNG images. These issues were addressed through improved validation of PNG images.
CVE-ID
CVE-2011-3026 : Jüri Aedla
CVE-2011-3048
CVE-2011-3328
ImageIO
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Viewing a maliciously crafted JPEG image may lead to an unexpected application termination or arbitrary code execution
Description: A double free issue existed in ImageIO's handling of JPEG images. This issue was addressed through improved memory management.
CVE-ID
CVE-2012-3726 : Phil of PKJE Consulting
ImageIO
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution
Description: An integer overflow issue existed in libTIFF's handling of TIFF images. This issue was addressed through improved validation of TIFF images.
CVE-ID
CVE-2012-1173 : Alexander Gavrun working with HP's Zero Day Initiative
International Components for Unicode
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Applications that use ICU may be vulnerable to an unexpected application termination or arbitrary code execution
Description: A stack buffer overflow existed in the handling of ICU locale IDs. This issue was addressed through improved bounds checking.
CVE-ID
CVE-2011-4599
IPSec
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution
Description: A buffer overflow existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking.
CVE-ID
CVE-2012-3727 : iOS Jailbreak Dream Team
Kernel
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A local user may be able to execute arbitrary code with system privileges
Description: An invalid pointer dereference issue existed in the kernel's handling of packet filter ioctls. This may allow an attacker to alter kernel memory. This issue was addressed through improved error handling.
CVE-ID
CVE-2012-3728 : iOS Jailbreak Dream Team
Kernel
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A local user may be able to determine kernel memory layout
Description: An uninitialized memory access issue existed in the Berkeley Packet Filter interpreter, which led to the disclosure of memory content. This issue was addressed through improved memory initialization.
CVE-ID
CVE-2012-3729 : Dan Rosenberg
libxml
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Viewing a maliciously crafted web page may lead to an unexpected application termination or arbitrary code execution
Description: Multiple vulnerabilities existed in libxml, the most serious of which may lead to an unexpected application termination or arbitrary code execution. These issues were addressed by applying the relevant upstream patches.
CVE-ID
CVE-2011-1944 : Chris Evans of Google Chrome Security Team
CVE-2011-2821 : Yang Dingning of NCNIPC, Graduate University of Chinese Academy of Sciences
CVE-2011-2834 : Yang Dingning of NCNIPC, Graduate University of Chinese Academy of Sciences
CVE-2011-3919 : Jüri Aedla
Mail
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Mail may present the wrong attachment in a message
Description: A logic issue existed in Mail's handling of attachments. If a subsequent mail attachment used the same Content-ID as a previous one, the previous attachment would be displayed, even in the case where the 2 mails originated from different senders. This could facilitate some spoofing or phishing attacks. This issue was addressed through improved handling of attachments.
CVE-ID
CVE-2012-3730 : Angelo Prado of the salesforce.com Product Security Team
Mail
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Email attachments may be read without user's passcode
Description: A logic issue existed in Mail's use of Data Protection on email attachments. This issue was addressed by properly setting the Data Protection class for email attachments.
CVE-ID
CVE-2012-3731 : Stephen Prairie of Travelers Insurance, Erich Stuntebeck of AirWatch
Mail
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: An attacker may spoof the sender of a S/MIME signed message
Description: S/MIME signed messages displayed the untrusted 'From' address, instead of the name associated with the message signer's identity. This issue was addressed by displaying the address associated with the message signer's identity when it is available.
CVE-ID
CVE-2012-3732 : An anonymous researcher.
Messages
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A user may unintentionally disclose the existence of their email addresses
Description: When a user had multiple email addresses associated with iMessage, replying to a message may have resulted in the reply being sent from a different email address. This may disclose another email address associated to the user's account. This issue was addressed by always replying from the email address the original message was sent to.
CVE-ID
CVE-2012-3733 : Rodney S. Foley of Gnomesoft, LLC
Office Viewer
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Unencrypted document data may be written to a temporary file
Description: An information disclosure issue existed in the support for viewing Microsoft Office files. When viewing a document, the Office Viewer would write a temporary file containing data from the viewed document to the temporary directory of the invoking process. For an application that uses data protection or other encryption to protect the user’s files, this could lead to information disclosure. This issue was addressed by avoiding creation of temporary files when viewing Office documents.
CVE-ID
CVE-2012-3734 : Salvatore Cataudella of Open Systems Technologies
OpenGL
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Applications that use OS X's OpenGL implementation may be vulnerable to an unexpected application termination or arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of GLSL compilation. These issues were addressed through improved validation of GLSL shaders.
CVE-ID
CVE-2011-3457 : Chris Evans of the Google Chrome Security Team, and Marc Schoenefeld of the Red Hat Security Response Team
Passcode Lock
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A person with physical access to the device could briefly view the last used third-party app on a locked device
Description: A logic issue existed with the display of the "Slide to Power Off" slider on the lock screen. This issue was addressed through improved lock state management.
CVE-ID
CVE-2012-3735 : Chris Lawrence DBB
Passcode Lock
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A person with physical access to the device may be able to bypass the screen lock
Description: A logic issue existed in the termination of FaceTime calls from the lock screen. This issue was addressed through improved lock state management.
CVE-ID
CVE-2012-3736 : Ian Vitek of 2Secure AB
Passcode Lock
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: All photos may be accessible at the lock screen
Description: A design issue existed in the support for viewing photos that were taken at the lock screen. In order to determine which photos to permit access to, the passcode lock consulted the time at which the device was locked and compared it to the time that a photo was taken. By spoofing the current time, an attacker could gain access to photos that were taken before the device was locked. This issues was addressed by explicitly keeping track of the photos that were taken while the device was locked.
CVE-ID
CVE-2012-3737 : Ade Barkah of BlueWax Inc.
Passcode Lock
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A person with physical access to a locked device may perform FaceTime calls
Description: A logic issue existed in the Emergency Dialer screen, which permitted FaceTime calls via Voice Dialing on the locked device. This could also disclose the user's contacts via contact suggestions. This issue was addressed by disabling Voice Dialing on the Emergency Dialer screen.
CVE-ID
CVE-2012-3738 : Ade Barkah of BlueWax Inc.
Passcode Lock
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A person with physical access to the device may be able to bypass the screen lock
Description: Using the camera from the screen lock could in some cases interfere with automatic lock functionality, allowing a person with physical access to the device to bypass the Passcode Lock screen. This issue was addressed through improved lock state management.
CVE-ID
CVE-2012-3739 : Sebastian Spanninger of the Austrian Federal Computing Centre (BRZ)
Passcode Lock
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A person with physical access to the device may be able to bypass the screen lock
Description: A state management issue existed in the handling of the screen lock. This issue was addressed through improved lock state management.
CVE-ID
CVE-2012-3740 : Ian Vitek of 2Secure AB
Restrictions
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A user may be able to make purchases without entering Apple ID credentials
Description: After disabling Restrictions, iOS may not ask for the user's password during a transaction. This issue was addressed by additional enforcement of purchase authorization.
CVE-ID
CVE-2012-3741 : Kevin Makens of Redwood High School
Safari
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Websites may use characters with an appearance similar to the lock icon in their titles
Description: Websites could use a Unicode character to create a lock icon in the page title. This icon was similar in appearance to the icon used to indicate a secure connection, and could have lead the user to believe a secure connection had been established. This issue was addressed by removing these characters from page titles.
CVE-ID
CVE-2012-3742 : Boku Kihara of Lepidum
Safari
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Passwords may autocomplete even when the site specifies that autocomplete should be disabled
Description: Password input elements with the autocomplete attribute set to "off" were being autocompleted. This issue was addressed through improved handling of the autocomplete attribute.
CVE-ID
CVE-2012-0680 : Dan Poltawski of Moodle
System Logs
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Sandboxed apps may obtain system log content
Description: Sandboxed apps had read access to /var/log directory, which may allow them to obtain sensitive information contained in system logs. This issue was addressed by denying sandboxed apps access to the /var/log directory.
CVE-ID
CVE-2012-3743
Telephony
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: An SMS message may appear to have been sent by an arbitrary user
Description: Messages displayed the return address of an SMS message as the sender. Return addresses may be spoofed. This issue was addressed by always displaying the originating address instead of the return address.
CVE-ID
CVE-2012-3744 : pod2g
Telephony
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: An SMS message may disrupt cellular connectivity
Description: An off-by-one buffer overflow existed in the handling of SMS user data headers. This issue was addressed through improved bounds checking.
CVE-ID
CVE-2012-3745 : pod2g
UIKit
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: An attacker that gains access to a device's filesystem may be able to read files that were being displayed in a UIWebView
Description: Applications that use UIWebView may leave unencrypted files on the file system even when a passcode is enabled. This issue was addressed through improved use of data protection.
CVE-ID
CVE-2012-3746 : Ben Smith of Box
WebKit
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
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. These issues were addressed through improved memory handling.
CVE-ID
CVE-2011-3016 : miaubiz
CVE-2011-3021 : Arthur Gerkis
CVE-2011-3027 : miaubiz
CVE-2011-3032 : Arthur Gerkis
CVE-2011-3034 : Arthur Gerkis
CVE-2011-3035 : wushi of team509 working with iDefense VCP, Arthur Gerkis
CVE-2011-3036 : miaubiz
CVE-2011-3037 : miaubiz
CVE-2011-3038 : miaubiz
CVE-2011-3039 : miaubiz
CVE-2011-3040 : miaubiz
CVE-2011-3041 : miaubiz
CVE-2011-3042 : miaubiz
CVE-2011-3043 : miaubiz
CVE-2011-3044 : Arthur Gerkis
CVE-2011-3050 : miaubiz
CVE-2011-3053 : miaubiz
CVE-2011-3059 : Arthur Gerkis
CVE-2011-3060 : miaubiz
CVE-2011-3064 : Atte Kettunen of OUSPG
CVE-2011-3068 : miaubiz
CVE-2011-3069 : miaubiz
CVE-2011-3071 : pa_kt working with HP's Zero Day Initiative
CVE-2011-3073 : Arthur Gerkis
CVE-2011-3074 : Slawomir Blazek
CVE-2011-3075 : miaubiz
CVE-2011-3076 : miaubiz
CVE-2011-3078 : Martin Barbella of the Google Chrome Security Team
CVE-2011-3081 : miaubiz
CVE-2011-3086 : Arthur Gerkis
CVE-2011-3089 : Skylined of the Google Chrome Security Team, miaubiz
CVE-2011-3090 : Arthur Gerkis
CVE-2011-3105 : miaubiz
CVE-2011-3913 : Arthur Gerkis
CVE-2011-3924 : Arthur Gerkis
CVE-2011-3926 : Arthur Gerkis
CVE-2011-3958 : miaubiz
CVE-2011-3966 : Aki Helin of OUSPG
CVE-2011-3968 : Arthur Gerkis
CVE-2011-3969 : Arthur Gerkis
CVE-2011-3971 : Arthur Gerkis
CVE-2012-0682 : Apple Product Security
CVE-2012-0683 : Dave Mandelin of Mozilla
CVE-2012-1520 : Martin Barbella of the Google Chrome Security Team using AddressSanitizer, Jose A. Vazquez of spa-s3c.blogspot.com working with iDefense VCP
CVE-2012-1521 : Skylined of the Google Chrome Security Team, Jose A. Vazquez of spa-s3c.blogspot.com working with iDefense VCP
CVE-2012-2818 : miaubiz
CVE-2012-3589 : Dave Mandelin of Mozilla
CVE-2012-3590 : Apple Product Security
CVE-2012-3591 : Apple Product Security
CVE-2012-3592 : Apple Product Security
CVE-2012-3593 : Apple Product Security
CVE-2012-3594 : miaubiz
CVE-2012-3595 : Martin Barbella of Google Chrome Security
CVE-2012-3596 : Skylined of the Google Chrome Security Team
CVE-2012-3597 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3598 : Apple Product Security
CVE-2012-3599 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3600 : David Levin of the Chromium development community
CVE-2012-3601 : Martin Barbella of the Google Chrome Security Team using AddressSanitizer
CVE-2012-3602 : miaubiz
CVE-2012-3603 : Apple Product Security
CVE-2012-3604 : Skylined of the Google Chrome Security Team
CVE-2012-3605 : Cris Neckar of the Google Chrome Security team
CVE-2012-3608 : Skylined of the Google Chrome Security Team
CVE-2012-3609 : Skylined of the Google Chrome Security Team
CVE-2012-3610 : Skylined of the Google Chrome Security Team
CVE-2012-3611 : Apple Product Security
CVE-2012-3612 : Skylined of the Google Chrome Security Team
CVE-2012-3613 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3614 : Yong Li of Research In Motion, Inc.
CVE-2012-3615 : Stephen Chenney of the Chromium development community
CVE-2012-3617 : Apple Product Security
CVE-2012-3618 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3620 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3624 : Skylined of the Google Chrome Security Team
CVE-2012-3625 : Skylined of Google Chrome Security Team
CVE-2012-3626 : Apple Product Security
CVE-2012-3627 : Skylined and Abhishek Arya (Inferno) of Google Chrome Security team
CVE-2012-3628 : Apple Product Security
CVE-2012-3629 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3630 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3631 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3633 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3634 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3635 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3636 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3637 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3638 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3639 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3640 : miaubiz
CVE-2012-3641 : Slawomir Blazek
CVE-2012-3642 : miaubiz
CVE-2012-3644 : miaubiz
CVE-2012-3645 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3646 : Julien Chaffraix of the Chromium development community, Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3647 : Skylined of the Google Chrome Security Team
CVE-2012-3648 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3651 : Abhishek Arya (Inferno) and Martin Barbella of the Google Chrome Security Team
CVE-2012-3652 : Martin Barbella of Google Chrome Security Team
CVE-2012-3653 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3655 : Skylined of the Google Chrome Security Team
CVE-2012-3656 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3658 : Apple
CVE-2012-3659 : Mario Gomes of netfuzzer.blogspot.com, Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3660 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3661 : Apple Product Security
CVE-2012-3663 : Skylined of Google Chrome Security Team
CVE-2012-3664 : Thomas Sepez of the Chromium development community
CVE-2012-3665 : Martin Barbella of Google Chrome Security Team using AddressSanitizer
CVE-2012-3666 : Apple
CVE-2012-3667 : Trevor Squires of propaneapp.com
CVE-2012-3668 : Apple Product Security
CVE-2012-3669 : Apple Product Security
CVE-2012-3670 : Abhishek Arya (Inferno) of the Google Chrome Security Team, Arthur Gerkis
CVE-2012-3671 : Skylined and Martin Barbella of the Google Chrome Security Team
CVE-2012-3672 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3673 : Abhishek Arya (Inferno) of the Google Chrome Security Team
CVE-2012-3674 : Skylined of Google Chrome Security Team
CVE-2012-3676 : Julien Chaffraix of the Chromium development community
CVE-2012-3677 : Apple
CVE-2012-3678 : Apple Product Security
CVE-2012-3679 : Chris Leary of Mozilla
CVE-2012-3680 : Skylined of Google Chrome Security Team
CVE-2012-3681 : Apple
CVE-2012-3682 : Adam Barth of the Google Chrome Security Team
CVE-2012-3683 : wushi of team509 working with iDefense VCP
CVE-2012-3684 : kuzzcc
CVE-2012-3686 : Robin Cao of Torch Mobile (Beijing)
CVE-2012-3703 : Apple Product Security
CVE-2012-3704 : Skylined of the Google Chrome Security Team
CVE-2012-3706 : Apple Product Security
CVE-2012-3708 : Apple
CVE-2012-3710 : James Robinson of Google
CVE-2012-3747 : David Bloom of Cue
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 disclosure of information
Description: A cross-origin issue existed in the handling of CSS property values. This issue was addressed through improved origin tracking.
CVE-ID
CVE-2012-3691 : Apple
WebKit
Available for: iPhone 3GS, iPhone 4, iPhone 4S, iPod touch (3rd generation) and later, iPad, iPad 2
Impact: A malicious website may be able to replace the contents of an iframe on another site
Description: A cross-origin issue existed in the handling of iframes in popup windows. This issue was addressed through improved origin tracking.
CVE-ID
CVE-2011-3067 : 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 a cross-site disclosure of information
Description: A cross-origin issue existed in the handling of iframes and fragment identifiers. This issue was addressed through improved origin tracking.
CVE-ID
CVE-2012-2815 : Elie Bursztein, Baptiste Gourdin, Gustav Rydstedt, and Dan Boneh of the Stanford University Security Laboratory
WebKit
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Look-alike characters in a URL could be used to masquerade a website
Description: The International Domain Name (IDN) support and Unicode fonts embedded in Safari could have been used to create a URL which contains look-alike characters. These could have been used in a malicious website to direct the user to a spoofed site that visually appears to be a legitimate domain. This issue was addressed by supplementing WebKit's list of known look-alike characters. Look-alike characters are rendered in Punycode in the address bar.
CVE-ID
CVE-2012-3693 : Matt Cooley of Symantec
WebKit
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Visiting a maliciously crafted website may lead to a cross-site scripting attack
Description: A canonicalization issue existed in the handling of URLs. This may have led to cross-site scripting on sites which use the location.href property. This issue was addressed through improved canonicalization of URLs.
CVE-ID
CVE-2012-3695 : Masato Kinugawa
WebKit
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Visiting a maliciously crafted website may lead to HTTP request splitting
Description: An HTTP header injection issue existed in the handling of WebSockets. This issue was addressed through improved WebSockets URI sanitization.
CVE-ID
CVE-2012-3696 : David Belcher of the BlackBerry Security Incident Response Team
WebKit
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: A maliciously crafted website may be able to spoof the value in the URL bar
Description: A state management issue existed in the handling of session history. Navigations to a fragment on the current page may cause Safari to display incorrect information in the URL bar. This issue was addressed through improved session state tracking.
CVE-ID
CVE-2011-2845 : Jordi Chancel
WebKit
Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
Impact: Visiting a maliciously crafted website may lead to the disclosure of the disclosure of memory contents
Description: An uninitialized memory access issue existed in the handling of SVG images. This issue was addressed through improved memory initialization.
CVE-ID
CVE-2012-3650 : Apple
FaceTime is not available in all countries or regions.
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