Learn buffer overflow from scratch

David Artykov
Purple Team
Published in
19 min readMar 15, 2021

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Buffer overflows are challenging to find, and notwithstanding, when you detect one, it is generally hard to exploit.

Photo by Sebastian Herrmann on Unsplash

A buffer is a temporary area for information storage. At the point when more information gets put by a program or framework process, the additional information floods. It makes a portion of that information leak out into different buffers, which can degenerate or overwrite whatever information they were holding. In a buffer overflow assault, the additional information occasionally contains explicit guidelines for activities proposed by a hacker or malevolent user; for instance, the data could trigger a reaction that harms documents, changes information, or uncovers private data.

Buffer overflow is most likely the best-known type of software security vulnerability. Most programming designers realize what buffer overflow vulnerability is, yet buffer overflow assaults against both inheritance and recently created applications are still ubiquitous. Some portion of the issue is because of the wide assortment of ways buffer overflows can happen, and part is because of the error-prone techniques frequently used to prevent them. Buffer overflows are challenging to find, and notwithstanding, when you detect one, it is generally hard to exploit. Nevertheless, aggressors have figured out how to recognize buffer overflows in a staggering array of products…

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