Rule

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Sid
8709

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Summary:
This event is generated when an attempt is made to cause a Denial of Service (DoS) in Microsoft Windows NAT helper components.

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Impact:
Denial of Service (DoS)

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Detailed Information:
Microsoft Windows systems with Internet Connection Sharing turned on are susceptible to a DoS attack. The condition is present when the system attempts to parse a malformed DNS query.

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Affected Systems:
Microsoft Windows XP

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Attack Scenarios:
An attacker would need to send a malformed DNS request to a machine using Internet Connection Sharing.

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Ease of Attack:
Simple.

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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.

Upgrade to the latest non-affected version of the software.

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Contributors:
Sourcefire Vulnerability Research Team


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Additional References:


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