Publicly Readable _seed Value in maxRandom Function Allows Attackers to Always Win in All For One Ethereum Gambling Game

CVE-2018-12056 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

The maxRandom function of a smart contract implementation for All For One, an Ethereum gambling game, generates a random value with publicly readable variables because the _seed value can be retrieved with a getStorageAt call. Therefore, it allows attackers to always win and get rewards.

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