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Explain the buffer overflow problem. Give one real life example of buffer overflow attacks (research on the web). Buffer overflow problem occurs when a program or process attempts to write more data to a fixed length block of memory. This vulnerability has a potential cause of a system crash, or a possible opportunity to being a cyberattack. A buffer can be defined as a sequential section of memory allocated to contain anything from a character string to an array of integers. Buffer overflow happens when there is more data in a buffer than the allocated memory can handle and causing data overflow into adjacent storage. The extra information which has to go somewhere can overflow into adjacent memory space, corrupting or overwriting the data held in that space. Secure development practices should include regular testing to detect and fix buffer overflows. These practices include automatic protection at the language level and bounds-checking at run-time.

Explain the buffer overflow problem. Give one real life example of buffer overflow attacks (research on the web). Buffer overflow problem occurs when a program or process attempts to write more data to a fixed length block of memory. This vulnerability has a potential cause of a system crash, or a possible opportunity to being a cyberattack. A buffer can be defined as a sequential section of memory allocated to contain anything from a character string to an array of integers. Buffer overflow happens when there is more data in a buffer than the allocated memory can handle and causing data overflow into adjacent storage. The extra information which has to go somewhere can overflow into adjacent memory space, corrupting or overwriting the data held in that space. Secure development practices should include regular testing to detect and fix buffer overflows. These practices include automatic protection at the language level and bounds-checking at run-time.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Explain the buffer overflow problem. Give one real life example of buffer overflow attacks (research on the web). Buffer overflow problem occurs when a program or process attempts to write more data to a fixed length block of memory. This vulnerability has a potential cause of a system crash, or a possible opportunity to being a cyberattack. A buffer can be defined as a sequential section of memory allocated to contain anything from a character string to an array of integers. Buffer overflow happens when there is more data in a buffer than the allocated memory can handle and causing data overflow into adjacent storage. The extra information which has to go somewhere can overflow into adjacent memory space, corrupting or overwriting the data held in that space. Secure development practices should include regular testing to detect and fix buffer overflows. These practices include automatic protection at the language level and bounds-checking at run-time. The Blaster worm that attacked Microsoft Windows Systems in August 2003 relied upon a known buffer overflow in remote procedure call facilities. Once it was installed on a given computer, Blaster would attempt to find other vulnerable computers. Upon finding a vulnerable computer, Blaster would issue instructions that would create a process on the target and cause the worm to be downloaded to it. CERT® Advisory CA-2003-20 W32/Blaster worm http://www.cert.org/advisories/CA-2003-20.html
Transcribed Image Text:Explain the buffer overflow problem. Give one real life example of buffer overflow attacks (research on the web). Buffer overflow problem occurs when a program or process attempts to write more data to a fixed length block of memory. This vulnerability has a potential cause of a system crash, or a possible opportunity to being a cyberattack. A buffer can be defined as a sequential section of memory allocated to contain anything from a character string to an array of integers. Buffer overflow happens when there is more data in a buffer than the allocated memory can handle and causing data overflow into adjacent storage. The extra information which has to go somewhere can overflow into adjacent memory space, corrupting or overwriting the data held in that space. Secure development practices should include regular testing to detect and fix buffer overflows. These practices include automatic protection at the language level and bounds-checking at run-time. The Blaster worm that attacked Microsoft Windows Systems in August 2003 relied upon a known buffer overflow in remote procedure call facilities. Once it was installed on a given computer, Blaster would attempt to find other vulnerable computers. Upon finding a vulnerable computer, Blaster would issue instructions that would create a process on the target and cause the worm to be downloaded to it. CERT® Advisory CA-2003-20 W32/Blaster worm http://www.cert.org/advisories/CA-2003-20.html
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