Question: What is the risk of using user-controlled input directly in format string functions?
Answer:
Using user-controlled input directly in format string functions without proper validation can lead to format string vulnerabilities, exposing the application to unauthorized memory access.
MCQ: What is the risk of using user-controlled input directly in format string functions?
Explanation:
Using user-controlled input directly in format string functions without proper validation can lead to format string vulnerabilities, exposing the application to unauthorized memory access.
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Related Questions
- 1. How does the %n format specifier contribute to achieving arbitrary write in format string vulnerabilities?
- 2. What is the significance of using a precision field with the %s format specifier in format string vulnerabilities?
- 3. How can attackers use the %p format specifier in format string vulnerabilities?
- 4. In the context of format string vulnerabilities, what is a potential countermeasure to prevent unauthorized memory access?
- 5. What is the role of format string length limitation in mitigating format string vulnerabilities?
- 6. How can attackers use the %n format specifier to achieve arbitrary read in format string vulnerabilities?
- 7. In the context of format string vulnerabilities, how does the lack of proper format specifiers contribute to security risks?
- 8. What is the role of the format string stack in format string vulnerabilities?
- 9. How does using constant format strings contribute to security in the context of format string vulnerabilities?
- 10. What is the purpose of performing bounds checking on user-controlled format strings?
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