Question: What is the significance of canary values in mitigating stack-based buffer overflows?
Answer:
Canary values in mitigating stack-based buffer overflows detect tampering of the stack by placing a random value before the return address, making it harder for attackers to overwrite it.
MCQ: What is the significance of canary values in mitigating stack-based buffer overflows?
Explanation:
Canary values in mitigating stack-based buffer overflows detect tampering of the stack by placing a random value before the return address, making it harder for attackers to overwrite it.
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Related Questions
- 1. How does heap spraying contribute to the success of memory corruption attacks?
- 2. What is the purpose of using pointer validation in mitigating memory corruption attacks?
- 3. How can attackers exploit off-by-one vulnerabilities in memory corruption attacks?
- 4. What is the role of the Global Offset Table (GOT) in memory corruption attacks?
- 5. How does the use of ASLR (Address Space Layout Randomization) impact memory corruption attacks?
- 6. In memory corruption attacks, what is the purpose of In memory corruption attacks, what is the purpose of using the "unlink" technique?
- 7. What is a use-after-free vulnerability in the context of web security?
- 8. How can attackers exploit use-after-free vulnerabilities to execute arbitrary code?
- 9. What is the primary consequence of use-after-free vulnerabilities in web security?
- 10. How can attackers manipulate freed memory in use-after-free vulnerabilities to achieve code execution?
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