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Exploiting Buffer Overflow Course

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Course Description:

What’s Buffer Overflow

Buffers are reminiscence storage areas that briefly maintain knowledge whereas it’s being transferred from one location to a different. A buffer overflow (or buffer overrun) happens when the quantity of knowledge exceeds the storage capability of the reminiscence buffer. Consequently, this system making an attempt to write down the info to the buffer overwrites adjoining reminiscence areas.

For instance, a buffer for log-in credentials could also be designed to anticipate username and password inputs of 8 bytes, so if a transaction includes an enter of 10 bytes (that’s, 2 bytes greater than anticipated), this system might write the surplus knowledge previous the buffer boundary.

Buffer overflows can have an effect on all forms of software program. They sometimes end result from malformed inputs or failure to allocate sufficient house for the buffer. If the transaction overwrites executable code, it will probably trigger this system to behave unpredictably and generate incorrect outcomes, reminiscence entry errors, or crashes.

Attackers exploit buffer overflow points by overwriting the reminiscence of an software. This adjustments the execution path of this system, triggering a response that damages recordsdata or exposes non-public info. For instance, an attacker might introduce additional code, sending new directions to the applying to realize entry to IT methods.

If attackers know the reminiscence format of a program, they’ll deliberately feed enter that the buffer can’t retailer, and overwrite areas that maintain executable code, changing it with their very own code. For instance, an attacker can overwrite a pointer (an object that factors to a different space in reminiscence) and level it to an exploit payload, to realize management over this system.

The problem is that almost all IT professionals should not have the overall software program improvement background required to start the topic of buffer overflow. This course cuts down the technical topics of laptop reminiscence administration, controlling code, and knowledge inside a working program, and exploiting poor high quality software program into phrases that IT folks with no software program improvement data can perceive.

On this course you’ll be taught the fundamentals of Buffer overflow and in addition you’ll get an concept of exploiting methods utilizing Buffer overflow. See you inside!

Who this course is for:

  • Newbie Programmers

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