The determineWinner function of a smart contract implementation for HashHeroes Tiles, an Ethereum game, uses a certain blockhash value in an attempt to generate a random number for the case where NUM_TILES equals the number of people who purchased a tile, which allows an attacker to control the awarding of the prize by being the last person to purchase a tile.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-12-26T20:00:00

Updated: 2024-08-05T11:01:14.926Z

Reserved: 2018-10-04T00:00:00

Link: CVE-2018-17987

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2018-12-26T21:29:00.997

Modified: 2019-02-14T19:08:02.910

Link: CVE-2018-17987

cve-icon Redhat

No data.