Question: How does stack canary work in preventing buffer overflows?
Answer:
Stack canary works by detecting changes in the canary value during execution, indicating a potential buffer overflow.
MCQ: How does stack canary work in preventing buffer overflows?
Correct Answer:
A. By encrypting the stack memory
Explanation:
Stack canary works by detecting changes in the canary value during execution, indicating a potential buffer overflow.
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Related Questions
- 1. What is the primary purpose of fuzzing in the context of buffer overflow attacks?
- 2. What is a potential limitation of using automated tools for detecting buffer overflows?
- 3. How does code obfuscation impact the analysis of buffer overflow vulnerabilities?
- 4. What is a potential risk of using outdated or unpatched software in the context of buffer overflow attacks?
- 5. How does privilege escalation relate to buffer overflow attacks?
- 6. What is the role of code signing in preventing buffer overflow attacks?
- 7. How does understanding the stack layout contribute to successful buffer overflow attacks?
- 8. What is a potential drawback of relying solely on runtime protections (e.g., DEP, ASLR) against buffer overflow attacks?
- 9. How does understanding the program's logic contribute to the success of a buffer overflow attack?
- 10. In the context of buffer overflow attacks, what is a "ROP chain"?
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