No way to revoke Approval in DelegateToken.approve leads to un authorized calling of DelegateToken.transferFrom

Lines of code Vulnerability details Impact There is no way to revoke the approval which given via DelegateToken.approveaddress,delegateTokenId. They can able call the DelegateToken.transferFrom even the tokenHolder revoke the permission using the DelegateToken.setApprovalForAll if the spender...

Using safeTransferFrom() Functions But without Getting the Approval

Lines of code Vulnerability details Impact 2 safeTransferFrom calls are Used for ERC20 Token Line: 90, 172 using SafeTransferLib But without getting the Approval using safeApprove function. The Calls will always fail. 3 more safeTransferFrom calls are Used for ERC721 Tokens Line: 239, 259, 370...

Rarible NFT Marketplace Flaw Could've Let Attackers Hijack Crypto Wallets

Cybersecurity researchers have disclosed a now-fixed security flaw in the Rarible non-fungible token NFT marketplace that, if successfully exploited, could have led to account takeover and theft of cryptocurrency assets. "By luring victims to click on a malicious NFT, an attacker can take full...