CVE-2018-17987

Published: Dec 26, 2018Modified: Nov 21, 2024

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Hashheroes: Hashheroes

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Hashheroes Hashheroes	All versions

Related CWEs

Use of Insufficiently Random Values

The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

References (2)

https://github.com/TEAM-C4B/CVE-LIST/tree/master/CVE-2018-17987

Source: cve@mitre.org

ExploitThird Party Advisory

https://github.com/TEAM-C4B/CVE-LIST/tree/master/CVE-2018-17987

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.