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TPTI-09-05: Microsoft DirectShow QuickTime Atom Parsing Memory Corruption Vulnerability
From: dvlabs <dvlabs () tippingpoint com>
Date: Tue, 14 Jul 2009 13:47:52 -0500

TPTI-09-05: Microsoft DirectShow QuickTime Atom Parsing Memory Corruption
Vulnerability
http://dvlabs.tippingpoint.com/advisory/TPTI-09-05
July 14, 2009

-- CVE ID:
CVE-2009-1539

-- Affected Vendors:
Microsoft

-- Affected Products:
Microsoft Windows 2000
Microsoft Windows XP
Microsoft Windows Server 2003

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 8307.
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 Microsoft Windows. User interaction is
required in that a target must visit a malicious page or open a
malicious video file.

The specific flaw exists within Microsoft's DirectShow module
quartz.dll. While parsing QuickTime atoms the NumberOfEntries field is
trusted and if modified can control the location of several pointers
meant to track stream positions.  Specifying values that are larger than
the number of bytes left to process in the input file will cause
corruption that can be leveraged to execute arbitrary code.


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

http://www.microsoft.com/technet/security/bulletin/MS09-028.mspx

-- Disclosure Timeline:

2009-07-14 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Aaron Portnoy, TippingPoint DVLabs


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