Publications
Killing Filecoin nodes
In January, we identified and reported a vulnerability in the Lotus and Venus clients of the Filecoin network that allowed an attacker to remotely crash a node and trigger a denial of service. This issue is caused by an incorrect validation of an index, resulting in an index out-of-range panic. The vulnerability […]
Detecting MISO and Opyn’s msg.value reuse vulnerability with Slither
On August 18, 2021, samczsun reported a critical vulnerability in SushiSwap’s MISO smart contracts, which put ~350 million USD (109 thousand ETH) at risk. This issue is similar to an attack that was conducted on the Opyn codebase in August of 2020. At the time of the report, I was finishing my […]