Rule:

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Sid:
1754

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Summary:
This event is generated when an attempt is made to access the as_web4.exe component associated with the askSam Web Publisher software.

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Impact:
Cross-site scripting.  This may allow execution of arbitrary commands on a victim host that visits the vulnerable server.

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Detailed Information:

askSam Web Publisher is a product that allows the creation and publication of documents and databases on the Internet.  A vulnerability exists in the as_web.exe or as_web4.exe component that may allow cross-site scripting because of a failure to filter script and HTML when error messages are returned.  This may allow an attacker to execute arbitrary code on the victim host that visits the vulnerable server.

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Affected Systems:
askSam Web Publisher 4.0

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Attack Scenarios:
An attacker can inject malicious code in vulnerable askSam input fields that use as_web.exe or as_web4.exe. The may allow execution of arbitrary code on a victim host that visits the vulnerable server.

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Ease of Attack:
Simple.

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False Positives:
This alert will trigger on any access to the as_web4.exe module.

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False Negatives:
None Known.

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Corrective Action:
Disable scripting language support in your browser and e-mail client software to prevent becoming a victim host.

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Contributors:
Original rule written by Brian Caswell <bmc@sourcefire.com>
Sourcefire Research Team
Judy Novak <judy.novak@sourcefire.com>

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Additional References:

Bugtraq
http://www.securityfocus.com/bid/4670

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