Dai users are now safe from losing all of their funds after MakerDao fixed the critical bug. Who helped them see the bug?
Every Dai user nearly experienced a complete loss of funds due to a critical bug. Fortunately, MakerDAO quickly fixed the crucial matter that might result in a lot worse scenario if discovered later.
HackerOne user Lucash-dev disclosed the critical bug in MakerDAO’s planned Multi-Collateral Dai (MCD) upgrade. Moreover, the said bug can allow an attacker to loot all of the collateral stored in the MCD system, possibly in a single transaction.
According to the report, the bug was discovered during the testing phase of the MCD upgrade. And it happened before any user access the system. Also, the attack has a higher chance of success rate. It was because of a complete lack of access control in a MakerDAO smart contract.
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