Question: How does an attacker typically inject malicious code in a buffer overflow attack?
Answer:
In a buffer overflow attack, an attacker typically injects malicious code by overwriting a return address with a pointer to the malicious code.
MCQ: How does an attacker typically inject malicious code in a buffer overflow attack?
Correct Answer:
A. By encrypting the code
Explanation:
In a buffer overflow attack, an attacker typically injects malicious code by overwriting a return address with a pointer to the malicious code.
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Related Questions
- 1. What is the purpose of a NOP sled in a buffer overflow attack?
- 2. In a stack-based buffer overflow, what is the target of the attack often overwritten with malicious data?
- 3. What is the purpose of data execution prevention (DEP) in mitigating buffer overflow attacks?
- 4. How can stack canaries (canary values) enhance security in the context of buffer overflow attacks?
- 5. What is the role of ASLR (Address Space Layout Randomization) in mitigating buffer overflow attacks?
- 6. How does heap-based buffer overflow differ from stack-based buffer overflow?
- 7. What is the purpose of shellcode in the context of buffer overflow attacks?
- 8. In a return-to-libc attack, what technique is employed by attackers to execute arbitrary code?
- 9. What is a common countermeasure against return-oriented programming (ROP) in buffer overflow attacks?
- 10. What is the significance of size validation in mitigating buffer overflow vulnerabilities?
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