bo

Debian Buffeoverflow example

---

Requirements

• Debian 4 installed
• gcc
• gdb
• nasm
• ld
• binutils
• python
• execstack

apt-get install gcc gdb nasm ld binutils pythin execstack

---

Configurations

##randomize_va_space In order to run this Demo you have to turn off virtual memory randomization

$ echo 0 > /proc/sys/kernel/randomize_va_space
$ sysctl -p

##ulimit In order to be able to work with coredumps we need to raise the ulimit

$ ulimit -c unlimited

##gcc usage gcc must be run as follows (execstack has to be installed)

$ gcc -fno-stack-protector -z execstack