CVE-2018-12454 | BDVDB-2026-102743 Detail

Description#

The _addguess function of a simplelottery smart contract implementation for 1000 Guess, an Ethereum gambling game, generates a random value with publicly readable variables such as the current block information and a private variable (which can be read with a getStorageAt call). Therefore, it allows attackers to always win and get rewards.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://medium.com/%40jonghyk.song/attack-on-pseudo-random-number-generator-prng-used-in-1000-guess-an-ethereum-lottery-game-7b76655f953d

Exploit#

No public exploit known

History#

Version 12018-06-17Record published in the CVE List.
Version 22024-08-05Most recent update recorded in the CVE List.