HashHeroes Tiles Security Breach

HashHeroes Tiles is an ethereum-based guessing game. A security vulnerability exists in the 'determineWinner' function in the smart contract implementation of HashHeroes Tiles. An attacker could exploit this vulnerability to control the awarding of prizes by being the last user to make a purchase...

Code injection

The determineWinner function of a smart contract implementation for HashHeroes Tiles, an Ethereum game, uses a certain blockhash value in an attempt to generate a random number for the case where NUMTILES equals the number of people who purchased a tile, which allows an attacker to control the...