Give an explanation of how buffer overflow attacks are carried out and what the results of such an attack are.
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Give an explanation of how buffer overflow attacks are carried out and what the results of such an attack are.
Step by step
Solved in 4 steps
- 1) Please explain the key fact relating to where local variables are stored that makes buffer overflow attacks possible. 2) Pick a defense that addresses the security concerns arising from the problem you identified in part 1, and explain how it addresses them.Why do buffer overflow vulnerabilities exist?Both buffer-overflow and format-string vulnerabilities can lead to the modification of the return address field, but the ways how the field is modified are different in these two attacks. Please describe their differences, and comment on which one is less restricted.
- Explain three methods to prevent and/or detect buffer overflow attacks. (Hint: for the buffer overflow lab we disabled some defenses. feel free to google those defenses).How does the "lost update" problem occur in databases, and how can it be prevented?Discuss the benefits of APFS snapshots and how they facilitate system backups.
- How does memory encryption work, and why is it crucial for data security in cloud computing and virtualized environments?Distinguish between differential and incremental backups, with a focus on database backups and restores, as well as their dependability (do they always work?).What's the role of "transaction logs" in crash recovery?