CVE-2018-17987

The determineWinner function of a smart contract implementation for HashHeroes Tiles, an Ethereum game, uses a certain blockhash value in an attempt to…

published December 26, 2018

CVSS
—
EPSS
1%
Percentile
60.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00926 · 60.1th percentile
Published
2018-12-26T20:00Z
EPSS history
Timeline
  • 26 DEC 20:00Z
    The determineWinner function of a smart contract implementation for HashHeroes Tiles, an Ethereum game, uses a certain blockhash value in an attempt to…
    cvelistv5