Rule:  

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Sid:
2927

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Summary:
This event is generated when an attempt is made to exploit a known
vulnerability in Microsoft implementation of the Network News Transport
Protocol (NNTP) for Internet Information Server (IIS).

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Impact:
Execution of arbitrary code on the affected system

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Detailed Information:
The Microsoft implementation of NNTP for IIS contains a programming
error in the processing of user supplied input that may present an
attacker with multiple opportunites to execute code of their choosing on
an affected system.

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Affected Systems:
. Microsoft Windows NT Server 4.0 NNTP component
. Microsoft Windows 2000 Server NNTP component
. Microsoft Windows Server 2003 NNTP Component
. Microsoft Windows Server 2003 64-Bit Edition NNTP Component

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Attack Scenarios:
An attacker must supply specially crafted input to a vulnerable system
to cause the overflow to occur.

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Ease of Attack:
Moderate. Example 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

Upgrade to the latest non-affected version of the software

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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:

CORE Technologies:
http://www.coresecurity.com/common/showdoc.php?idx=420&idxseccion=10

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