Protection Schemes
Over the years a number of schemes have been developed to inhibit malicious stack buffer overflow exploitation. These may usually be classified into three categories:
- Detect that a stack buffer overflow has occurred and thus prevent redirection of the instruction pointer to malicious code.
- Prevent the execution of malicious code from the stack without directly detecting the stack buffer overflow.
- Randomize the memory space such that finding executable code becomes unreliable.
Read more about this topic: Stack Buffer Overflow
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