CryptoSaga has a flawed logic vulnerability

CryptoSaga is an Ether-based digital currency. A security vulnerability exists in the 'random' function in CryptoSaga's smart contract implementation. An attacker could use the vulnerability to pre-calculate random numbers and manipulate the game...

Design/Logic Flaw

The random function of the smart contract implementation for CryptoSaga, an Ethereum game, generates a random value with publicly readable variables such as timestamp, the current block's blockhash, and a private variable which can be read with a getStorageAt call. Therefore, attackers can...