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iDefense Security Advisory 01.05.07: Opera Software Opera Web Browser createSVGTransformFromMatrix Object Typecasting Vulnerability
From: iDefense Labs (labs-no-replyidefense.com)
Date: Fri Jan 05 2007 - 11:32:09 CST
Opera Software Opera Web Browser createSVGTransformFromMatrix Object
iDefense Security Advisory 01.05.07
Jan 05, 2007
Opera is a cross-platform web browser. More information is available at
Remote exploitation of a typecasting bug in Opera Software ASA's Opera Web
browser could allow an attacker to execute arbitrary code on the affected
a createSVGTransformFromMatrix request Opera does not properly validate the
type of object passed to the function. Passing an incorrect object to this
function can result in it using a pointer that is user controlled when it
attempts to make the virtual function call.
Exploitation of this vulnerability would allow an attacker to execute
arbitrary code on the affected host. The attacker would first need to
vulnerable user into visiting the site. This would trigger the
vulnerability and allow the code to execute with the privileges of the
iDefense has confirmed the existence of this vulnerability in Opera version
9.02 on both Windows and Linux. Previous versions may also be affected.
VI. VENDOR RESPONSE
Opera Software has addressed this vulnerability in version 9.10. More
information is available at the following link.
VII. CVE INFORMATION
A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not
been assigned yet.
VIII. DISCLOSURE TIMELINE
11/16/2006 Initial vendor notification
11/17/2006 Initial vendor response
01/05/2007 Coordinated public disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright © 2006 iDefense, Inc.
Permission is granted for the redistribution of this alert electronically.
It may not be edited in any way without the express written consent of
iDefense. If you wish to reprint the whole or any part of this alert in
any other medium other than electronically, please e-mail
customerserviceidefense.com for permission.
Disclaimer: The information in the advisory is believed to be accurate at
the time of publishing based on currently available information. Use of
the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct, indirect,
or consequential loss or damage arising from use of, or reliance on, this