Wow did I underestimate this one! I told myself it would take quite some time to build a reliable exploit once I found a bug in Adobe Reader. There are so many mitigations to work through once you have an exploitable crash. Amongst others: Data Execution Protection (DEP: prevents your code from being executed), Address… Read More

It all started with the public disclosure of a HackerOne report submitted to Keybase by another researcher. It was a minor character escaping issue, but one that probably had the highest impact of all vulnerability reports submitted to their program—given that it was issued their highest bounty payout at the time. I immediately noticed the… Read More

I decided to give a descent test to the LIEF project. Executable parsers are not a new thing but that one picked my curiosity (just like most Quarkslab projects) because it also provides dead simple instrumentation functions. To top it up, LIEF is easy to use and well documented, which is becoming a rare perk… Read More

Today we released Echidna, our next-generation EVM smart fuzzer at EthCC. It’s the first-ever fuzzer to target smart contracts, and has powerful features like abstract state-machine modeling and automatic minimal test case generation. We’ve been working on it for quite some time, and are thrilled to finally share it with the world. Source: trailofbits… Read More