About the security content of Safari 5.0.3 and Safari 4.1.3
* Last Modified: November 18, 2010
* Article: HT4455
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Summary
This document describes the security content of Safari 5.0.3 and Safari 4.1.3.
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".
Products Affected
Safari 4 (Mac OS X 10.6), Safari 5 (Windows), Safari 5 (Mac OS X 10.6)
Safari 5.0.3 and Safari 4.1.3
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WebKit
CVE-ID: CVE-2010-3803
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An integer overflow exists in WebKit's handling of strings. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved bounds checking. Credit to J23 for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3804
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Websites may surreptitiously track users
Description: Safari generates random numbers for JavaScript applications using a predictable algorithm. This may allow a website to track a particular Safari session without using cookies, hidden form elements, IP addresses, or other techniques. This update addresses the issue by using a stronger random number generator. Credit to Amit Klein of Trusteer for reporting this issue.
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WebKit
CVE-ID: CVE-2010-1815
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A use after free issue exists in WebKit's handling of scrollbars. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory management. Credit to thabermann for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3805
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An integer underflow exists in WebKit's handling of WebSockets. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved bounds checking. Credit to Keith Campbell, and Cris Neckar of Google Chrome Security Team for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3259
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a malicious website may lead to the disclosure of image data from another website
Description: A cross-origin issue exists in WebKit's handling of images created from "canvas" elements. Visiting a malicious website may lead to the disclosure of image data from another website. This issue is addressed through improved tracking of security origins. Credit to Isaac Dawson, and James Qiu of Microsoft and Microsoft Vulnerability Research (MSVR) for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3808
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An invalid cast issue exists in WebKit's handling of editing commands. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of editing commands. Credit to wushi of team509 for reporting this issue.
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WebKit
CVE-ID: CVE-2010-1812
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A use after free issue exists in WebKit's handling of selections. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory handling. Credit to chipplyman for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3809
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An invalid cast issue exists in WebKit's handling of inline styling. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of inline styling. Credit to Abhishek Arya (Inferno) of Google Chrome Security Team for reporting this issue.
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WebKit
CVE-ID: CVE-2010-1814
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue exists in WebKit's handling of form menus. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of form menus. Credit to Csaba Osztrogonac of University of Szeged for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3810
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: A maliciously crafted website may be able to spoof the address in the location bar or add arbitrary locations to the history
Description: A cross-origin issue exists in WebKit's handling of the History object. A maliciously crafted website may be able to spoof the address in the location bar or add arbitrary locations to the history. This issue is addressed through improved tracking of security origins. Credit to Mike Taylor of Opera Software for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3811
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A use after free issue exists in WebKit's handling of element attributes. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory handling. Credit to Michal Zalewski for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3812
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An integer overflow exists in WebKit's handling of Text objects. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved bounds checking. Credit to J23 working with TippingPoint's Zero Day Initiative for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3813
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: WebKit may perform DNS prefetching even when it is disabled
Description: When WebKit encounters an HTML Link Element that requests DNS prefetching, it will perform the operation even if prefetching is disabled. 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 through improved handling of DNS prefetching requests. Credit to Jeff Johnson of Rogue Amoeba Software for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3116
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: Multiple use after free issues exist in WebKit's handling of plug-ins. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. These issues are addressed through improved memory handling.
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WebKit
CVE-ID: CVE-2010-3257
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A use after free issue exists in WebKit's handling of element focus. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory management. Credit to VUPEN Vulnerability Research Team for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3816
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A use after free issue exists in WebKit's handling of scrollbars. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory handling. Credit to Rohit Makasana of Google Inc. for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3817
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An invalid cast issue exists in WebKit's handling of CSS 3D transforms. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of CSS 3D transforms. Credit to Abhishek Arya (Inferno) of Google Chrome Security Team for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3818
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A use after free issue exists in WebKit's handling of inline text boxes. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory handling. Credit to Abhishek Arya (Inferno) of Google Chrome Security Team for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3819
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An invalid cast issue exists in WebKit's handling of CSS boxes. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of CSS boxes. Credit to Abhishek Arya (Inferno) of Google Chrome Security Team for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3820
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An uninitialized memory access issue exists in WebKit's handling of editable elements. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of editable elements. Credit: Apple.
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WebKit
CVE-ID: CVE-2010-1813
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue exists in WebKit's rendering of HTML object outlines. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory management. Credit to Jose A. Vazquez of spa-s3c.blogspot.com for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3821
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue exists in WebKit's handling of the ':first-letter' pseudo-element in cascading stylesheets. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of the ':first-letter' pseudo-element. Credit to Cris Neckar and Abhishek Arya (Inferno) of Google Chrome Security Team for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3822
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An uninitialized pointer issue exists in WebKit's handling of CSS counter styles. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of CSS counter styles. Credit to kuzzcc for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3823
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A use after free issue exists in WebKit's handling of Geolocation objects. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory handling. Credit to kuzzcc for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3824
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: A use after free issue exists in WebKit's handling "use" elements in SVG documents. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory handling. Credit to wushi of team509 for reporting this issue.
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WebKit
CVE-ID: CVE-2010-1822
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An invalid cast issue exists in WebKit's handling of SVG elements in non-SVG documents. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of SVG elements. Credit to wushi of team509 for reporting this issue.
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WebKit
CVE-ID: CVE-2010-3826
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4 or later, Mac OS X Server v10.6.4 or later, Windows 7, Vista, XP SP2 or later
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: An invalid cast issue exists in WebKit's handling of colors in SVG documents. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved handling of colors in SVG documents. Credit to Abhishek Arya (Inferno) of Google Chrome Security Team for reporting this issue.