CVEvulnerability

CVE-2018-12056

7.5 HIGH Published 2018-08-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-08-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-338

Description

The maxRandom function of a smart contract implementation for All For One, an Ethereum gambling game, generates a random value with publicly readable variables because the _seed value can be retrieved with a getStorageAt call. Therefore, it allows attackers to always win and get rewards.

Affected configurations

• all-for-one all for one

Related

Weakness · CWE (1)

  • CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) weakness

References