CVE-2018-17987
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductHashheroes
PublishedDec 26, 2018
First seenDec 26, 2018
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hashheroes hashheroes | No range specified | — |
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