[UNIX] Gridscan.com Security-risk

From: support@securiteam.com
Date: 05/26/02


From: support@securiteam.com
To: list@securiteam.com
Date: Sun, 26 May 2002 09:07:10 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
- - promotion

When was the last time you checked your server's security?
How about a monthly report?
http://www.AutomatedScanning.com - Know that you're safe.
- - - - - - - - -

  Gridscan.com Security-risk
------------------------------------------------------------------------

SUMMARY

 <http://www.tobiaspreis.de/> Gridscan.com provides web masters with a
search engine by only asking them to include a single line inside their
existing PHP scripts. This however, poses a serious security risk, since
the code provided by this single ("require" statement) line can include
any kind of code, even command execution code.

DETAILS

The single row that the administrator needs to add is this:
 <? require("http://www.tobiaspreis.de/grid.php"); ?>

This line would allow the administrator of tobiaspreis.de to easily modify
his grid.php to do almost anything on your webserver with full user rights
of your PHP-scripts. Further this server (tobiaspreis.de) is a very good
target for hackers, because by gaining access to this server, an attacker
can compromise a large number of websites.

ADDITIONAL INFORMATION

The information has been provided by <mailto:metz@speedpartner.de>
Michael Metz [SpeedPartner].

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The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.



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