Vulnerabilities > CVE-2018-12056 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) vulnerability in All-For-One ALL for ONE

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
NONE
Availability impact
NONE
network
low complexity
all-for-one
CWE-338
NVD
Published: 2018-08-15
Updated: 2024-11-21

Summary

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.

Vulnerable Configurations

Part Description Count
Application
All-For-One
1

Common Weakness Enumeration (CWE)

References