Double Spend in AirDropDistribution.sol

Handle elprofesor Vulnerability details HIGH Impact Due to improper validation of input, approved airdrop users are able to double spend airdrop allocated tokens. This is due to insufficient validation in validate and claimExact which allows the user to reset the amount of tokens they have claime...

Can't claim last part of airdrop

Handle gpersoon Vulnerability details Impact Suppose you are eligible for the last part of your airdrop or your entire airdrop if you haven't claimed anything yet. Then you call the function claim of AirdropDistribution.sol, which has the following statement: "assertairdropmsg.sender.amount -...

Invalid or missing validity check

Handle fr0zn Vulnerability details Vulnerability Details On the AirdropDistribution.sol, inside the validate function line 506 , the validatedmsg.sender is not checked and the validation for an already airdropped user is done using the airdropmsg.sender.amount value. Provide a detailed descriptio...