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Can somebody explain the different steps to produce a heapspray attack (what are the needed vulnerabilities in the targeted software, what are the limitations of such technique, how to proceed, ...) and how to render it as reliable as possible ?

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up vote 2 down vote accepted

Peter(corelanc0d3r) - Corelan team has one of the best Buffer Overflow tutorials on the internet

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Heap Spraying is more the distraction used to enable someone to perform the actual attack. It in itself does not compromise any security measure. It is typically used in conjunction with injected code which is the payload. Think of it as a no op sled.

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