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Category:   Application (Security)  >   Microsoft Windows Defender Vendors:   Microsoft
Microsoft Windows Defender Integer Overflow in Parsing PDF Files Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017636
SecurityTracker URL:  http://securitytracker.com/id/1017636
CVE Reference:   CVE-2006-5270   (Links to External Site)
Date:  Feb 13 2007
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Microsoft Windows Defender. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted PDF file that, when processed by the target system, will trigger an integer overflow in the Microsoft Malware Protection Engine (mpengine.dll) and execute arbitrary code on the target system.

The Microsoft Malware Protection Engine component of Windows Live OneCare, Microsoft Antigen for Exchange, Microsoft Antigen for SMTP Gateway 9.x, Microsoft Forefront Security for Exchange Server, and Microsoft Forefront Security for SharePoint is also affected.

Microsoft credits Neel Mehta and Alex Wheeler of ISS X-Force with reporting this vulnerability.

Impact:   A remote user can create a PDF file that, when prcessed by the target system, will execute arbitrary code on the target system.
Solution:   The vendor has issued a fix, available automatically via the Windows Defender automatic update feature. The corrected version number is Microsoft Antivirus engine build number 1.1.2101.0 or above.

A restart is not required.

The Microsoft advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms07-010.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms07-010.mspx (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (2003), Windows (Vista), Windows (XP)

Message History:   None.


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