BSC suffers $73k Vyper attack following Curve Finance exploit
The BNB Smart Chain (BSC) was hit by copycat attacks caused by a vulnerability in the Vyper programming language. It mirrors the Curve Finance defi protocol exploit . Blockchain security firm BlockSec revealed that as of July 30, approximately $73,000 worth of cryptocurrencies were stolen from the BSC through three separate exploit s. The latest development mirrored the ongoing exploit s on Ethereum’s Curve Finance, which had already seen losses surpassing $41 million. The sheet updated. Losses have already ~$41m!https://t.co/lCaS4uEPzm https://t.co/stQYNJFS7y pic.twitter.com/P7jG8NHnV4 — BlockSec (@BlockSecTeam) July 30, 2023 The vulnerability in question was found in Vyper versions 0.2.15, 0.2.16, and 0.3.0, which were used by various defi pools. The malfunctioning reentrancy lock in these versions enabled attackers to execute multiple functions simultaneously, leading to the possibility of draining all funds from affected contracts. Vyper, the programming language...