bugtraq - ZDI-10-134: Mozilla Firefox DOM Attribute Cloning Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104BD3C39A0@emb01.unity.local>
Date: Tue, 20 Jul 2010 19:34:03 -0500
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>,
	"'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-10-134: Mozilla Firefox DOM Attribute Cloning Remote Code
 Execution Vulnerability

ZDI-10-134: Mozilla Firefox DOM Attribute Cloning Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-134
July 20, 2010

-- CVE ID:
CVE-2010-1208

-- CVSS:
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)

-- Affected Vendors:
Mozilla Firefox

-- Affected Products:
Mozilla Firefox 3.6.x

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10025. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Mozilla Firefox. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page or open a malicious file.

The specific flaw exists due to a workaround that was implemented in
order to support recursive cloning of attribute nodes. If an event is
added to the first attribute node, the application can be made to free
the node, and then later access a reference to it. This can lead to code
execution under the context of the application.

-- Vendor Response:
Mozilla Firefox has issued an update to correct this vulnerability. More
details can be found at:

http://www.mozilla.org/security/announce/2010/mfsa2010-35.html

-- Disclosure Timeline:
2010-06-17 - Vulnerability reported to vendor
2010-07-20 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * regenrecht

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