CVE Vulnerability

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 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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/TEAM-C4B/CVE-LIST/tree/master/CVE-2018-17987 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:hashheroes:hashheroes:-:*:*:*:*:*:*:*
Information

Published : 2018-12-26 09:29

Updated : 2019-02-14 07:08

NVD link : CVE-2018-17987

Mitre link : CVE-2018-17987

Products Affected
No products.
CWE
CWE-330