42 lines
No EOL
1.2 KiB
Text
42 lines
No EOL
1.2 KiB
Text
########################################################
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# Special Greetings To - Timq,Warpboy,The-Maggot #
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########################################################
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File: index.php
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Affects: LS simple guestbook (v1)
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Date: 15th April 2007
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Issue Description:
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===========================================================================
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LS simple guestbook fails to sanitize user input that it writes to the
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posts.txt file when the user leaves a message, this file is then included
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causing any php code within it to be run.
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===========================================================================
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Scope:
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===========================================================================
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An attacker can inject arbitrary php code and potentially execute commands
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on the system.
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===========================================================================
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Recommendation:
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===========================================================================
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Add the following line of code in index.php:
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$message = strip_tags($message);
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just above:
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if ($message != "") {$file = fopen("$dataf","a");
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===========================================================================
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Example:
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name = Test
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message = <?php phpinfo(); ?>
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Discovered By: Gammarays
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# milw0rm.com [2007-04-14] |