Q. Does nonexecutable memory completely eliminate the problem of buffer overflow attacks?

View solution

Q. What is the most popular strategy for attackers to overcome the hurdles imposed by nonexecutable memory systems?

View solution

Q. Which option is used for returning values to the caller in functions?

View solution

Q. Which type of vulnerability is required for an attacker to exploit the buffer overflow bug?

View solution

Q. What is the purpose of stack-checking mechanisms embedded into programs?

View solution

Q. What is a heap overflow?

View solution

Q. How does a heap overflow attack work?

View solution

Q. How are heaps arranged?

View solution

Q. What causes the program to crash in a heap overflow attack?

View solution

Q. How can attackers take advantage of the heap's linked-list structure?

View solution

Q. Why are heap overflows less common than stack overflows?

View solution

Q. What is the most common example of overflow attacks?

View solution

Q. What is the risk of using the strcpy function?

View solution

Q. What are heap overflows and why are they less common than stack overflows?

View solution

Q. What is the most common example of string-related overflow attacks?

View solution

Q. What happens if an attacker's string is internally converted into Unicode before it reaches the vulnerable function?

View solution

Q. What are integer overflows?

View solution

Q. What is the risk associated with adding a constant value to a user-supplied buffer length?

View solution

Q. What happens if the addition performed on the buffer length parameter overflows?

View solution

Q. Why do stack variables always have a fixed size?

View solution