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HistoryAug 04, 2006 - 12:00 a.m.

[Full-disclosure] CounterChaos <= 0.48c SQL Injection Vulnerability

2006-08-0400:00:00
vulners.com
10

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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
  &#40;arround line 35-45&#41;
  
  ...
  
  $referer= $_SERVER[&quot;HTTP_REFERER&quot;];
  $referer=strtolower&#40;$referer&#41;;

  ...

      // Ohne www auch nicht gefunden =&gt; im Original speichern
      mysql_query&#40;&quot;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 &#40;magic quotes must be off&#41;.

Solution:

  Take a view on PHP&#39;s ysql_real_escape_string function.

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