AOH :: HP Unsorted C :: B06-4040.HTM

CounterChaos <= 0.48c SQL Injection Vulnerability



CounterChaos <= 0.48c SQL Injection Vulnerability
CounterChaos <= 0.48c SQL Injection Vulnerability



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      Advisory: CounterChaos <= 0.48c SQL Injection Vulnerability
  Release Date: 2006/08/04
 Last Modified: 2006/08/03
        Author: Tamriel [tamriel at gmx dot net]
   Application: CounterChaos <= 0.48c
          Risk: Moderate
 Vendor Status: not contacted
Vendor Site: www.chaossoft.de 


 Overview:

Quote from www.chaossoft.de: 

   "CounterChaos ist ein flexibler Onlinecounter fuer Ihre Homepage.
    Er ist klein und kompakt in PHP geschrieben und benutzt eine
    mySQL-Datenbank, um die Daten abzuspeichern."


 Details:

      SQL Injection Vulnerabilities in counterchaos.php
      (arround line 35-45)
      
      ...
      
      $referer= $_SERVER["HTTP_REFERER"];
      $referer=strtolower($referer);

      ...

          // Ohne www auch nicht gefunden => im Original speichern
          mysql_query("INSERT INTO $tabellerefi SET
monat='$akt_monat', jahr='$akt_jahr',
          refi='$referer', treffer='1'") or die(mysql_error());
      }

      ...

      Here an attacker can fake his http referer and so inject his own
      sql queries (magic quotes must be off).


 Solution:

      Take a view on PHP's ysql_real_escape_string function.

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