bugtraq - ZDI-10-173: Mozilla Firefox nsTreeSelection Dangling Pointer Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104BE5570E6@emb01.unity.local>
Date: Mon, 13 Sep 2010 11:38:39 -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-10-173: Mozilla Firefox nsTreeSelection Dangling Pointer Remote
 Code Execution Vulnerability

ZDI-10-173: Mozilla Firefox nsTreeSelection Dangling Pointer Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-173
September 13, 2010

-- CVE ID:
CVE-2010-2760

-- 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 10035. 
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 fix implemented for CVE-2010-2753 in
the nsTreeSelection interface. In a certain condition, the application
still can be made to free a reference and then made to use said freed
reference. 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/mfsa2010-54.html

-- Disclosure Timeline:
2010-08-09 - Vulnerability reported to vendor
2010-09-13 - Coordinated public release of advisory

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

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