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14 job that deletes the files in \texttt{/tmp}? (Hint: cron-attack) |
14 job that deletes the files in \texttt{/tmp}? (Hint: cron-attack) |
15 |
15 |
16 \item How does a buffer-overflow attack work? (Hint: What happens on |
16 \item How does a buffer-overflow attack work? (Hint: What happens on |
17 the stack.) |
17 the stack.) |
18 |
18 |
19 \item Why is it crucuial for a buffer overflow attack that the stack |
19 \item Why is it crucial for a buffer overflow attack that the stack |
20 grows from higher addresses to lower ones? |
20 grows from higher addresses to lower ones? |
21 |
21 |
22 \item If the attacker uses a buffer overflow attack in order to |
22 \item If the attacker uses a buffer overflow attack in order to |
23 inject code, why can this code not contain any zero bytes? |
23 inject code, why can this code not contain any zero bytes? |
24 |
24 |