Outline:

1. Buffer overflow attacks
   • how they occur
   • how we can prevent them
   • example: attack.c
2. Assignment #6 Overview
3. Supply chain attacks
   • interlude: quines
   • Trusting Trust (by Ken Thompson)
   • SolarWinds attack

Reading assignment (to be completed by the next class):

• Assignment 6: Exploiting Buffer Overflows – read it and try to run ctarget on mantis!
• Unix:
  • command line: Dive Into Systems, Sec. 17.1
  • I/O redirection: Dive Into Systems, Sec. 17.12
  • pipes: Dive Into Systems, Sec. 17.13