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Buffer Overflow Attacks Explained in Detail, Operating System, CSE, GATE Video Lecture - Computer Science Engineering (CSE)
FAQs on Buffer Overflow Attacks Explained in Detail, Operating System, CSE, GATE Video Lecture - Computer Science Engineering (CSE)
| 1. What is a buffer overflow attack? |  |
Ans. A buffer overflow attack is a type of security vulnerability where an attacker overflows a buffer in a computer program, causing it to overwrite adjacent memory locations. This can lead to unauthorized access, data corruption, and potential execution of arbitrary code.
| 2. How does a buffer overflow attack work? | |
Ans. In a buffer overflow attack, an attacker sends more data to a buffer than it can handle, causing the excess data to overflow into adjacent memory locations. By carefully crafting the excess data, the attacker can overwrite critical information, such as return addresses, and gain control over the program's execution.
| 3. What are the consequences of a buffer overflow attack? | |
Ans. The consequences of a buffer overflow attack can be severe. It can lead to system crashes, remote code execution, privilege escalation, and unauthorized access to sensitive information. Attackers can exploit buffer overflow vulnerabilities to inject malicious code and take control of a compromised system.
| 4. How can buffer overflow attacks be prevented? | |
Ans. Buffer overflow attacks can be prevented by following secure coding practices. This includes proper input validation, using safe programming languages, and implementing bounds checking mechanisms. Additionally, regular security updates and patches should be applied to fix known vulnerabilities in software.
| 5. Can antivirus software detect buffer overflow attacks? | |
Ans. Antivirus software may not directly detect buffer overflow attacks, as they are more focused on detecting known malware and viruses. However, antivirus software can indirectly help by detecting and blocking malicious code that may be inserted through a buffer overflow vulnerability. It is important to have a multi-layered security approach that includes both secure coding practices and up-to-date antivirus software.
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