Rule:

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Sid:
805

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Summary:
This event is generated when an attempt is made to exploit an 
authentication vulnerability in the WebSpeed WSIS Messenger 
Administration Utility. 

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Impact:
Information gathering and system integrity. Unauthorized administrative 
access to the to the WebSpeed configuration utility can allow an 
attacker to view and change WebSpeed configuration, and possibly stop 
WebSpeed services.

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Detailed Information:
The WSIS Messenger Administration Utility is a web-based administration 
utility provided with the Progress WebSpeed 3.0 development environment 
and transaction server. It allows WebSpeed administrators to remotely 
manage the WebSpeed system. The configuration utility has a 
vulnerability that allows unauthenticated users to configure services 
when the WSMAdmin function is invoked using wsisa.dll.

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Affected Systems:
Any system running Progress WebSpeed 3.0 WSIS Messenger Administration 
Utility.

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Attack Scenarios:
An attacker can access the WSIS Messenger Administration Utility, which 
can then be used to view and change WebSpeed configuration. The attacker
can potentially stop WebSpeed services. 

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Ease of Attack:
Simple. Exploits exist.

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False Positives:
If a legitimate remote user accesses the web-based administration 
utility, this rule may generate an event.

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False Negatives:
None known.

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Corrective Action:
Disable the WSIS Messenger Administration Utility.

Install the appropriate patch. Patches can be found at
http://www.progress.com/patches/patchlst/availpatche.html.

Disallow access to the WSIS Messenger Administration Utilility from 
sources external to the protected network.

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Contributors:
Original rule writer unknown
Modified by Brian Caswell <bmc@sourcefire.com>
Sourcefire Research Team
Sourcefire Technical Publications Team
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

Bugtraq
http://www.securityfocus.com/bid/969

CVE
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2000-0127

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