Rule:

--
Sid:
1607

--
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.

--
Impact:
Information gathering.

--
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.

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

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

--
Ease of Attack:
Simple. Exploits exist. 

--
False Positives:
None known.

--
False Negatives:
None known.

--
Corrective Action:
Apply the appropriate vendor supplied patches.

Uprade to the latest non-affected version of the software.

--
Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>
Sourcefire Technical Publications Team

--
Additional References:

Bugtraq
http://www.securityfocus.com/bid/2314

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

--
