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...

CVE-2018-12975: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

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...

PT-2018-11507

Name of the Vulnerable Software and Affected Versions CryptoSaga affected versions not specified Description The issue concerns the random function in the smart contract implementation of CryptoSaga, an Ethereum game. This function generates a random value using publicly readable variables such a...