Vulnerability in NBA NFT contracts allows non-whitelisted users to mint NFTs

04/21 03:43

BlockSec tweeted: " We found that there is a loophole in the NBA NFT contract, which allows non-whitelisted users to mint successfully, investors please pay attention. Contract loopholes: Although the contract confirms the signature information, it does not confirm whether the signature content is consistent with the Sender Address, so users who are not in the whitelist can also successfully mint by copying other people's signatures. The attacker can mint successfully by copying the txn of the whiteliste user. We have found that some attackers mint 100 NFTs and sell them on Opensea."
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