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Apple WebKit frame rendering memory corruption vulnerability

Vulnerability Note VU#389868

Original Release Date: 2007-06-22 | Last Revised: 2008-06-04


The Apple Webkit contains a memory corruption vulnerability.This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary code.


According to Apple:

WebKit is the open source core of Apple's Safari web browser. It is available as a framework in Mac OS X for use in your applications.
More information about WebKit is available at the WebKit Project web site.

The Apple Webkit fails to properly perform type conversions when rendering frame sets possibly allowing memory corruption to occur. If a remote attacker persuades a user to access a specially crafted web page with software that uses WebKit, that attacker may be able corrupt memory in a way that will let them execute arbitrary code.

This vulnerability may affect any software that uses the Apple WebKit, including the Safari web browser.

Note that this vulnerability is reported to affect software on both the Windows and Apple OS X operating systems.


A remote, unauthenticated attacker may be able to execute arbitrary code.


Apply Apple Updates
Apple has released an update to address this vulnerability. Refer to Apple Security Update 2007-006 for more information.

According to Apple:
Safari 3 Beta Update 3.0.2 will appear for systems running Safari 3 Beta and includes the entire contents of Security Update 2007-006. Security Update 2007-006 itself will not appear via Software Update for systems that have installed Safari 3 Beta.

Vendor Information


Apple Computer, Inc. Affected

Notified:  June 22, 2007 Updated: June 22, 2007



Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.


Refer to Apple Security Update 2007-006.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CVSS Metrics

Group Score Vector



This vulnerability was reported in Apple Security Update 2007-006. Apple credits Rhys Kidd of Westnet with providing information about this vulnerability.

This document was written by Jeff Gennari.

Other Information

CVE IDs: CVE-2007-2399
Severity Metric: 2.55
Date Public: 2007-06-22
Date First Published: 2007-06-22
Date Last Updated: 2008-06-04 21:42 UTC
Document Revision: 26

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