Rule

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Sid
21299

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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. 

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Detailed Information:
Microsoft .NET Framework 2.0 SP2, 3.5.1, and 4, and Silverlight 4 before 4.1.10111, does not properly restrict access to memory associated with unmanaged objects, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, (3) a crafted .NET Framework application, or (4) a crafted Silverlight application, aka ".NET Framework Unmanaged Objects Vulnerability."

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Affected Systems:
microsoft .net framework 2.0
microsoft .net framework 3.5.1
microsoft .net framework 4.0

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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-2012-0014:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-0014
  
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