The learning objective of this part is for you to gain the first-hand experience on…

The learning objective of this part is for you to gain the first-hand experience on buffer-overflow vulnerability

by putting what they have learned about the vulnerability from class into action. Buffer overflow is defined

as the condition in which a program attempts to write data beyond the boundaries of pre-allocated fixed

length buffers. This vulnerability can be utilized by an attacker to alter the flow control of the program, even

execute arbitrary pieces of code to enable remote access attacks. This vulnerability arises due to the mixing

of the storage for data (e.g. buffers) and the storage for controls (e.g. return addresses): an overflow in the

data part can affect the control flow of the program, because an overflow can change the return address.

In this part, you will be given a program with a buffer-overflow vulnerability; the task is to develop a

scheme to exploit the vulnerability and finally send a remote access to an attacker. In addition to the attacks,

you will be guided to walk through several protection schemes that have been implemented in the operating

system to counter against the buffer overflow. You need to evaluate whether the schemes work or not and

explain why

Attachments:

FIT3173-assig….pdf

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