Rule:

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Sid:
1607

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Summary:
This event is generated when an attempt is made to access hsx.cgi on a web server. This may indicate an attempt to exploit a vulnerability in the Hyperseek 2000 search engine that allows read-access to directory listings and files.

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Impact:
Information gathering.

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Detailed Information:
This event may indicate that an attempt has been made to exploit a directory traversal vulnerability in HyperSeek 2000. An attacker can use directory traversal techniques to view hidden files and directories on the web server.

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Affected Systems:
Web servers running iWeb Systems HyperSeek 2000 are vulnerable. 

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Attack Scenarios:
An attacker can use directory traversal techniques when executing hsx.cgi to view directories and files on the web server.

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Ease of Attack:
Simple. Exploits exist. 

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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.

Uprade 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>
Sourcefire Technical Publications Team

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Additional References:

CERT/CC
http://www.kb.cert.org/vuls/id/146704

CVE
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0253

Nessus
http://cgi.nessus.org/plugins/dump.php3?id=10602

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