CVE-2018-14715

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.

Score

CVSS 3.0 7.5 High

Status

Modified - cve@mitre.org

Published

2018-08-03

Last modified

2024-08-05

Weaknesses

CWE-338

Affected products

• Cryptogs (Cryptogs)

References

• https://medium.com/%40jonghyk.song/attack-on-pseudo-random-number-generator-prng-used-in-cryptogs-an-ethereum-cve-2018-…