Rule

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Sid
3-16179

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in .Net Framework.

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Impact:
Denial of Service. Information disclosure. Loss of integrity. Complete admin access.

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Detailed Information:
The Common Language Runtime (CLR) in Microsoft .NET Framework 2.0, 2.0 SP1, 2.0 SP2, 3.5, and 3.5 SP1, and Silverlight 2, does not properly handle interfaces, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (XBAP), (2) a crafted Silverlight application, (3) a crafted ASP.NET application, or (4) a crafted .NET Framework application, aka "Microsoft Silverlight and Microsoft .NET Framework CLR Vulnerability."

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Affected Systems:
Microsoft .Net Framework 1.0
Microsoft .Net Framework 1.1
Microsoft .Net Framework 2.0
Microsoft .Net Framework 2.0
Microsoft .Net Framework 3.5

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Attack Scenarios:


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Ease of Attack:
Simple. Exploits exist.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

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Contributors:
Sourcefire Vulnerability Research Team
This document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology.
For more information see http://nvd.nist.gov/

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Additional References:

NIST CVE-2009-2497:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-2497
  
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