High severity7.5NVD Advisory· Published Aug 3, 2018· Updated Jun 17, 2026

CVE-2018-14715

Description

The endCoinFlip function and throwSlammer function of the smart contract implementations for Cryptogs, an Ethereum game, generate random numbers with an old block's hash. Therefore, attackers can predict the random number and always win the game.

Affected products

Cryptopp/Crypto\+\+llm-fuzzy

Patches

Vulnerability mechanics

References

medium.com/%40jonghyk.song/attack-on-pseudo-random-number-generator-prng-used-in-cryptogs-an-ethereum-cve-2018-14715-f63a51ac2eb9nvd

News mentions

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