Vulnerability Details CVE-2018-12056
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://lists.apache.org/thread.html/a62aa2706105d68f1c02023fe24aaa3c13b4d8a1826181fed07d9682%40%3Cnotifications.zookeeper.apache.org%3E
- https://medium.com/%40jonghyk.song/to-be-a-winner-of-ethereum-gambling-game-all-for-one-by-breaking-prng-1ab011163d40
- https://lists.apache.org/thread.html/a62aa2706105d68f1c02023fe24aaa3c13b4d8a1826181fed07d9682%40%3Cnotifications.zookeeper.apache.org%3E
- https://medium.com/%40jonghyk.song/to-be-a-winner-of-ethereum-gambling-game-all-for-one-by-breaking-prng-1ab011163d40
Products affected by CVE-2018-12056
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cpe:2.3:a:all-for-one:all_for_one:-