Rule:

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Sid:
1024

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Summary:
This event is generated when an attempt is made to access the newdsn.exe file, which is a sample program installed with Internet Information Server (IIS) 3.0. 

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Impact:
File creation.  This attack can allow the creation of a new Microsoft Access Database (.mdb) file on the vulnerable server.

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Detailed Information:
IIS 3.0 comes with a sample program newdsn.exe.  An attacker can craft a URL to reference this executable and, as a parameter, pass the name of a new file to be created.  The file may have any extension, but will be considered a Microsoft Access Database file. 

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Affected Systems:
IIS 3.0 servers

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Attack Scenarios:
An attacker can craft a URL to execute the vulnerable newdsn.exe and create a Microsoft Access Database file on the vulnerable server. 

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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:
Delete the newdsn.exe file.

Upgrade to a more current version of IIS.
 
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Contributors:
Original rule writer unknown
Modified by Brian Caswell <bmc@sourcefire.com>
Sourcefire Research Team
Judy Novak <judy.novak@sourcefire.com>

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Additional References:

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