bugtraq - ZDI-10-113: Mozilla Firefox XSLT Sort Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104BD3C37AF@emb01.unity.local>
Date: Wed, 23 Jun 2010 13:06:33 -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-10-113: Mozilla Firefox XSLT Sort Remote Code Execution
 Vulnerability

ZDI-10-113: Mozilla Firefox XSLT Sort Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-113
June 23, 2010

-- CVE ID:
CVE-2010-1199

-- 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 9910. 
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 otherwise render a malicious file.

The specific flaw exists within a particular XSLT transformation when
applied to an XML document. If a large number of elements have this
transformation applied to them, the application will misallocate a
buffer. Upon usage of this buffer the application will copy more data
than allocated thus causing an overflow. 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/mfsa2010-30.html

-- Disclosure Timeline:
2010-03-22 - Vulnerability reported to vendor
2010-06-23 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Martin Barbella

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