Rule:

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Sid:
3200

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Summary:
This rule generates an event when an attempt is made to exploit a known 
vulnerability in Microsoft WINS.

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Impact:
Execution of arbitrary code leading to full administrator access of the 
machine. Denial of Service (DoS).

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Detailed Information:
A vulnerability exists in Microsoft WINS such that execution of 
arbitrary code or a Denial of Service condition can be issued against a 
host by sending malformed data.

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Affected Systems:
	Windows NT 4.0
	Windows NT 4.0 Terminal Server Edition
	Windows 2000
	Windows Server 2003

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Attack Scenarios:
An attacker would need to send multiple malformed request to the WINS
service running on a host.

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Ease of Attack:
Simple. Expoit code exists.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Apply the appropriate vendor supplied patches.

Uninstall the WINS service.

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Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

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