A Question in Computer Security............................................ void

Question

A Question in Computer Security............................................

void greet (char *arg) { char buffer [16]: printf("I am the Senate. What is your name? "): scanf("% s", buffer): printf("It's treason then, %s ", buffer): } int main(int argc, char *argv[]) { char beg [6] = 'Kenobi': char end [9] = 'maybe not?': strncat(beg, end, 5): greet(argv[1]): return 0: } What is the line number that has a memory vulnerability and what is this vulnerability called? Just before the program executes line 4, the registers are: % esp: 0xBFFFFB20 %ebp: 0xBFFFFB48 Given this information, describe in detail how an attacker would take advantage of the vulnerability. Also make sure to include the address that the attacker needs to over-write. (Maximum 5 sentences) What would you change to fix the problem in part 1? Given the code as is, would stack canaries prevent exploitation of this vulnerability? Why or why not?

Explanation / Answer

Computer security Interview Questions and Answers will guide you now that Computer security is a branch of computer technology known as information security as applied to computers and networks. The objective of computer security includes protection of information and property from theft, corruption, so learn more about Computing Security,Information Security, NT security, Web Security and Network Security with the help of this Computer security Interview Questions with Answers guide

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