Message-ID: <EE499D69B3D0714590B6FE9762B0461104BE5570E4@emb01.unity.local>
Date: Mon, 13 Sep 2010 11:19:16 -0500
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "Full Disclosure (full-disclosure@...ts.grok.org.uk)" <full-disclosure@...ts.grok.org.uk>,
	"Bugtraq (bugtraq@...urityfocus.com)" <bugtraq@...urityfocus.com>
Subject: ZDI-10-171: Mozilla Firefox nsTreeContentView Dangling Pointer
 Remote Code Execution Vulnerability

ZDI-10-171: Mozilla Firefox nsTreeContentView Dangling Pointer Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-171
September 13, 2010

-- CVE ID:
CVE-2010-3167

-- CVSS:
9, (AV:N/AC:L/Au:N/C:P/I:P/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 9972. 
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 within the implementation of a particular
element within the XUL namespace. Due to a method for the element having
the side effect of executing javascript, an attacker can provide their
own javascript code which can be used to remove an object out from
underneath the element's child hierarchy. This can force the application
to make an invalid reference when traversing it's internal objects, thus
using an illegitimate pointer. This can be leveraged by an attacker to
execute arbitrary code 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/mfsa2010-56.html

-- Disclosure Timeline:
2010-06-30 - Vulnerability reported to vendor
2010-09-13 - Coordinated public release of advisory

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

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