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HIGH

The random() function of the smart contract implementation for CryptoSaga, an Ethereum game, generates a random value with publicly readable variables such as timestamp, the current block's blockhash, and a private variable (which can be read with a getStorageAt call)

Published Sep 24, 2018

Description

The random() function of the smart contract implementation for CryptoSaga, an Ethereum game, generates a random value with publicly readable variables such as timestamp, the current block's blockhash, and a private variable (which can be read with a getStorageAt call). Therefore, attackers can precompute the random number and manipulate the game (e.g., get powerful characters or get critical damages).

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

CWE-338

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 24, 2018
Updated Aug 5, 2024
Reserved Jun 28, 2018
Link CVE-2018-12975
CISA Vulnrichment
Updated n/a
NVD
Status Modified
Modified Jun 17, 2026
Link CVE-2018-12975
Red Hat
Severity n/a
Public date n/a
Links CVE-2018-12975