Rule:

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Sid:
2397

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Summary:
This event is generated when an attacker includes "/whereami.cgi" in a URL, typically aimed at a web server running the CCBill software. 

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Impact:
Execution of arbitrary commands.

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Detailed Information:
The CCBill software is available to manage credit card information for UNIX and Windows hosts.  The script whereami.cgi is used for technical support of the software.  A vulnerability exists in the whereami.cgi script that allows the execution of arbitrary commands from an attacker who passes a command via whereami.cgi?g=command format in a URL.  Supplied commands can list file names, show the contents of the password file, or install a backdoor to name a few actions that an attacker may attempt.

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Affected Systems:
Hosts running CCBill software that has the whereami.cgi in the server's CGI path.

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Attack Scenarios:
An attacker can send a request to execute an arbitrary command.

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Ease of Attack:
Simple.

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False Positives:
None Known.

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False Negatives:
None Known.

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Corrective Action:
Remove the whereami.cgi command.

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Contributors:
Sourcefire Vulnerability Research Team
Judy Novak <judy.novak@sourcefire.com>

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Additional References:

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