Private sale replay attack

Lines of code Vulnerability details Impact The private sale signature used in buyFromPrivateSaleFor does not prevent replay attacks. If the NFT ends up in the original seller's wallet again within the deadline it can be purchased from them again. POC S sells to B using a private sale. S creates a...

EIP-712 signatures can be re-used in private sales

Lines of code Vulnerability details Impact Within a NFTMarketPrivateSale contract, buyers are allowed to purchase a seller's NFT. This is done through a seller providing a buyer a EIP-712 signature. The buyer can then call buyFromPrivateSaleFor providing the v, r, and s values of the signature as...