full-disclosure - 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

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

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