Fuzzing JavaScript WebAssembly APIs using Dharma/Domato (Chrome/v8)

Fuzzing JavaScript WebAssembly APIs using Dharma/Domato (Chrome/v8)

ByPatrick Ventuzelo

Fuzzing JavaScript WebAssembly APIs using Dharma/Domato (V8 engine) First of all, Happy new hacking year everyone 😉 I got asked multiple time if fuzzing WebAssembly APIs of Javascript engines is complicated, so here is a short tutorial using Dharma (but you can use Domato if you prefer). In this blogpost, I will first detailed which WebAssembly…

How to create a valid polyglot HTML/JS/WebAssembly module

How to create a valid polyglot HTML/JS/WebAssembly module

ByPatrick Ventuzelo

How to create polyglot HTML/JS/WebAssembly module Just a bit of context first, so last month I was at the hack.lu conference to give a workshop about “Reversing WebAssembly module 101” and spend some amazing time with friends. Workshop goes well, attendees were really interested and even better I received the award of the best talk/workshop…

Analysis of Google Keep WebAssembly module
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Analysis of Google Keep WebAssembly module

ByPatrick Ventuzelo

Analysis of Google Keep WebAssembly module Last month, i was at REcon Montreal to give my training about WebAssembly Security and after some discussion people always ask me this question: Is WebAssembly already used in the wild? The answer is of course YES and some WebAssembly modules are potentially running right now in your browser…