Rule:  

Sid:
1163

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Summary:
This event is generated when an attempt is made to exploit a known
vulnerability in a Web server running on an IRIX platform.

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Impact:
Serious. Execution of arbitrary code is possible.

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Detailed Information:
IRIX versions 5.0 through 6.3 contain a CGI script (/var/www/cgi-bin/webdist.cgi) 
for remote administration purposes. This script, as originally released by 
SGI, contains a vulnerability that can allow an attacker to run any 
arbitrary command that the web server user has access to.

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Affected Systems:
	IRIX systems 5.0 to 6.3

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Attack Scenarios:
An attacker makes a request for the script followed by a semi-colon
character ";" and then the command to be executed.

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Ease of Attack:
Simple. No exploit software required.

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False Positives:
None Known

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False Negatives:
None Known

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Corrective Action:
Disallow the use of this script on the server.

Check for further signs of compromise.

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Contributors:
Original rule writer unknown
Original document author unkown
Sourcefire Vulnerability Research Team
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

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