CVEvulnerability

CVE-2018-14715

7.5 HIGH Published 2018-08-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-08-03
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 endCoinFlip function and throwSlammer function of the smart contract implementations for Cryptogs, an Ethereum game, generate random numbers with an old block's hash. Therefore, attackers can predict the random number and always win the game.

Affected configurations

• cryptogs cryptogs

Related

Weakness · CWE (1)

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

References