david wong

Hey! I'm David, a security engineer at the Blockchain team of Facebook, previously a security consultant for the Cryptography Services of NCC Group. I'm also the author of the Real World Cryptography book. This is my blog about cryptography and security and other related topics that I find interesting.

Format String, Heap Overflow posted December 2014

In my Software Security class that looks like a continuous game in assembly, we're now learning format string and heap overflow through Protostar a set of challenges on those attacks. It's a nice addition to crackmes and microcorruption.


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