Nostra, a lending protocol on Starknet, suffered a DeFi exploit where an attacker manipulated its NSTR price feed from $0.006 to $49.5, using the inflated token as collateral to borrow approximately $3.5M in multiple cryptocurrencies. The protocol paused operations while investigating, highlighting the critical vulnerability of oracle price feeds in DeFi systems.
Nostra, a lending protocol on Starknet, suffered a DeFi exploit where an attacker manipulated its NSTR price feed from $0.006 to $49.5, using the inflated token as collateral to borrow approximately $3.5M in multiple assets. The incident highlights the critical vulnerability of oracle price feeds in DeFi systems, prompting Nostra to pause all lending and borrowing operations while investigating.