All Questions
2 questions
11votes
2answers
17kviews
NX bit: does it protect the stack?
I once heard the NX bit was a panacea, then that it was not. One detail I've wondered about though: Does the NX (no execute) bit protect against code inserted into the stack and executed there? It ...
46votes
8answers
9kviews
Should I bother teaching buffer overflows any more?
The students are skeptical that turning off non-executable stacks, turning off canaries and turning off ASLR represents a realistic environment. If PaX, DEP, W^X, etc., are effective at stopping ...