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A buffer overflow attack requires two things: A buffer to overflow; and then overwriting a sensitive piece of information such as a function pointer or return address. Which of the following is a technique to prevent buffer overflow attacks?
Use dynamic or static source code analyzers
Set the OS to protect memory pages that can execute content
All of these
Make changes to the programming language to reduce the risk of buffer overflows (such as not using gets or strcpy in C)
Enable bounds checking in the compiler
No one tool can completely protect against buffer overflows, but using the above methods increases the chances a potential buffer overflow is detected and reduces the ability to be able to exploit it.
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