Topic is Principles of Information Security

URGENT!!! Please explain the solution as step-by-step and simply

Stack-smashing (20 pts] Assume the following program is compiled in a file called argcargv.c: int main(int arge, char* argv[) { char bufferl [10] strcpy(bufferl, argv[1]); return 0; } Assume the executable argcargv is run using the following command-line inputs: Jargcargv I am using the command line input Answer the following questions: 1. What data type is argv? [1 pt] 2. What data type is argv[1]? [1 pt] 3. What value does argc take when the program gets invoked? [1 pt] 4. Draw the stack frame for main. Label the following clearly: (1) local vars, function parameters, frame pointer and return address in the correct order; (ii) stack growth direction; (iii) low/high memory address boundaries. [6 pts] 5. Suppose you want to conduct a stack smashing attack to exploit this vulnerable code. Which index in the argv array would you use to pass in your attack code as a command-line argument to argcargv (in place of the example above)? [1 pt] 6. Can you predict the exact location on the stack of the old return address to overwrite? If YES, why? If No, why not? [4 pt] 7. What strategies can you use to increase the possibility of the success of your attack? Be as specific as possible. (6 pts] Please use underscore'_'and pipe 'l' while drawing the stack You can draw the stack on a piece of paper, then you can submit the photo of the paper