CVE-2018-17987

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...

CVE-2018-17987

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...

CVE-2018-17987

HashHeroes Tiles is affected by CVE-2018-17987 in the determineWinner function of its Ethereum smart contract. The vulnerability arises from using a blockhash value to generate a random number when NUM_TILES equals the number of tile Purchases, enabling an attacker to influence the prize by being...