Question: In a return-to-libc attack, what technique is employed by attackers to execute arbitrary code?
Answer:
In a return-to-libc attack, attackers redirect control flow to existing library functions, avoiding the need to inject malicious code.
MCQ: In a return-to-libc attack, what technique is employed by attackers to execute arbitrary code?
Correct Answer:
A. Overwriting the stack canary
Explanation:
In a return-to-libc attack, attackers redirect control flow to existing library functions, avoiding the need to inject malicious code.
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Related Questions
- 1. What is a common countermeasure against return-oriented programming (ROP) in buffer overflow attacks?
- 2. What is the significance of size validation in mitigating buffer overflow vulnerabilities?
- 3. How does stack smashing protection (SSP) enhance security against buffer overflow attacks?
- 4. In the context of buffer overflow attacks, what is a NOP sled used for?
- 5. How does input validation contribute to mitigating buffer overflow vulnerabilities?
- 6. What is the significance of understanding the calling conventions in buffer overflow attacks?
- 7. How does stack canary work in preventing buffer overflows?
- 8. What is the primary purpose of fuzzing in the context of buffer overflow attacks?
- 9. What is a potential limitation of using automated tools for detecting buffer overflows?
- 10. How does code obfuscation impact the analysis of buffer overflow vulnerabilities?
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