Safari is SO much better... very stable. Here is a full list of bug fixes.
iPhone OS 2.2 and iPhone OS for iPod touch 2.2
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CoreGraphics
CVE-ID: CVE-2008-2321
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: CoreGraphics contains memory corruption issues in the processing of arguments. Passing untrusted input to CoreGraphics via an application, such as a web browser, may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through improved bounds checking. Credit to Michal Zalewski of Google for reporting this issue.
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ImageIO
CVE-ID: CVE-2008-2327
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution
Description: Multiple uninitialized memory access issues exist in libTIFF's handling of LZW-encoded TIFF images. Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through proper memory initialization and additional validation of TIFF images.
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ImageIO
CVE-ID: CVE-2008-1586
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Viewing a maliciously crafted TIFF image may lead to an unexpected device reset
Description: A memory exhaustion issue exists in the handling of TIFF images. Viewing a maliciously crafted TIFF image may lead to an unexpected device reset. This update addresses the issue by limiting the amount of memory allocated to open a TIFF image. Credit to Sergio 'shadown' Alvarez of n.runs AG for reporting this issue.
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Networking
CVE-ID: CVE-2008-4227
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: The encryption level for PPTP VPN connections may be lower than expected
Description: The encryption level for PPTP VPN connections may revert to a previous lower setting. This update addresses the issue by properly setting the encryption preferences. Credit to Stephen Butler of the University of Illinois of Urbana-Champaign for reporting this issue.
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Office Viewer
CVE-ID: CVE-2008-4211
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Viewing a maliciously crafted Microsoft Excel file may lead to an unexpected application termination or arbitrary code execution
Description: A signedness issue in Office Viewer's handling of columns in Microsoft Excel files may result in an out-of-bounds memory access. Viewing a maliciously crafted Microsoft Excel file may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue by ensuring that the affected index values are not negative. Credit: Apple.
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Passcode Lock
CVE-ID: CVE-2008-4228
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Emergency calls are not restricted to emergency numbers
Description: iPhone provides the ability to make an emergency call when locked. Currently, an emergency call may be placed to any number. A person with physical access to an iPhone may take advantage of this feature to place arbitrary calls which are charged to the iPhone owner. This update addresses the issue by restricting emergency calls to a limited set of phone numbers.
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Passcode Lock
CVE-ID: CVE-2008-4229
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Restoring a device from backup may not re-enable the Passcode Lock
Description: The Passcode Lock feature is designed to prevent applications from being launched unless the correct passcode is entered. A race condition in the handling of device settings may cause the Passcode Lock to be removed when the device is restored from backup. This may allow a person with physical access to the device to launch applications without the passcode. This update addresses the issue by improving the system's ability to recognize missing preferences. This issue does not affect systems prior to iPhone OS 2.0 or iPhone OS for iPod touch 2.0. Credit to Nolen Scaife for reporting this issue.
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Passcode Lock
CVE-ID: CVE-2008-4230
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Short Message Service (SMS) messages may be revealed before the passcode is entered
Description: If an SMS message arrives while the emergency call screen is visible, the entire SMS message is displayed, even if the "Show SMS Preview" preference was set to "OFF". This update addresses the issue by, in this situation, displaying only a notification that a SMS message has arrived, and not its content.
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Safari
CVE-ID: CVE-2008-4231
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue exists in the handling of HTML table elements. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through improved handling of HTML table elements. Credit to Haifei Li of Fortinet's FortiGuard Global Security Research Team for reporting this issue.
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Safari
CVE-ID: CVE-2008-4232
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Websites with embedded iframe elements may be vulnerable to user interface spoofing
Description: Safari allows an iframe element to display content outside its boundaries, which may lead to user interface spoofing. This update addresses the issue by not allowing iframe elements to display content outside their boundaries. This issue does not affect systems prior to iPhone OS 2.0 or iPhone OS for iPod touch 2.0. Credit to John Resig of Mozilla Corporation for reporting this issue.
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Safari
CVE-ID: CVE-2008-4233
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Visiting a maliciously crafted website may initiate a phone call without user interaction
Description: If an application is launched via Safari while a call approval dialog is shown, the call will be placed. This may allow a maliciously crafted website to initiate a phone call without user interaction. Additionally, under certain circumstances it may be possible for a maliciously crafted website to block the user's ability to cancel dialing for a short period of time. This update addresses the issue by properly dismissing Safari's call approval dialog when an application is being launched via Safari. Credit to Collin Mulliner of Fraunhofer SIT for reporting this issue.
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Webkit
CVE-ID: CVE-2008-3644
Available for: iPhone OS 1.0 through 2.1, iPhone OS for iPod touch 1.1 through 2.1
Impact: Sensitive information may be disclosed to a person with physical access to an unlocked device
Description: Disabling autocomplete on a form field may not prevent the data in the field from being stored in the browser page cache. This may lead to the disclosure of sensitive information to a person with physical access to an unlocked device. This update addresses the issue by properly clearing the form data. Credit to an anonymous researcher for reporting this issue.
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