Rule:

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Sid:
4566

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in Microsoft systems using the Client Service for Netware. In particular this rule generates an event when an attempt is made to exploit the function "netware_cs" via dcerpc.

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Impact:
Serious. Execution of arbitrary code leading to unauthorized administrative access to the target host.

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Detailed Information:
A vulnerability in the implementation of the Client Service for Netware exists due to a programming error which may present an attacker with the opportunity to exploit the service and run code of their choosing on an affected system.

In particular this rule generates an event when an attempt is made to exploit the function "netware_cs" via dcerpc.

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Affected Systems:
	Microsoft systems using the Client Service for Netware.

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Attack Scenarios:
An attacker can supply extra data in the message from the server containing code of their choosing to be run on the client.

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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.

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

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Additional References:

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