(Note - due date extended to march 23rd)

Buffer Overflow Defenses

Review the lecture slides and the following wikipedia article. ** Buffer Overflow Protection

Question 1: List at least 5 defenses against buffer overflow attacks and provide a sentence or two describing what they are or how they work.

Review the first few pages of the following article. ** Bypassing StackGuard - Phrack article explaining weakness that led to XOR canary

Question 2: We learned in class about a null terminator canary and a random canary. What is a limitation of the null terminator canary? What limitation of the random canary led to the development of the XOR canary?

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