Question: What is the purpose of the stack canary in mitigating heap-based buffer overflows?
Answer:
The stack canary in mitigating heap-based buffer overflows detects tampering of critical data structures by placing a random value before them, making it harder for attackers to manipulate heap data.
MCQ: What is the purpose of the stack canary in mitigating heap-based buffer overflows?
Explanation:
The stack canary in mitigating heap-based buffer overflows detects tampering of critical data structures by placing a random value before them, making it harder for attackers to manipulate heap data.
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Related Questions
- 1. How does the use of the "Safe Unlinking" technique mitigate double-free vulnerabilities in memory corruption attacks?
- 2. What is the purpose of heap grooming in memory corruption attacks?
- 3. How can attackers exploit use-after-free vulnerabilities in memory corruption attacks?
- 4. What is the purpose of the "double-fetch" technique in memory corruption attacks?
- 5. How does the use of stack cookies contribute to mitigating stack-based buffer overflows?
- 6. In the context of memory corruption attacks, what is the role of heap metadata?
- 7. How can attackers exploit integer overflow vulnerabilities in the context of memory corruption attacks?
- 8. What is the significance of canary values in mitigating stack-based buffer overflows?
- 9. How does heap spraying contribute to the success of memory corruption attacks?
- 10. What is the purpose of using pointer validation in mitigating memory corruption attacks?
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