CVE-2018-14715 - Vulnerability Details - OpenCVE

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.

Published: 2018-08-03

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:cryptogs:cryptogs:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2018-6609	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.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00371.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://medium.com/%40jonghyk.song/attack-on-pseudo-random-number-generator-prng-used-in-cryptogs-an-ethereum-cve-2018-14715-f63a51ac2eb9

History

No history.

Subscriptions

Cryptogs Cryptogs

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-08-03T18:00:00.000Z

Updated: 2024-08-05T09:38:13.110Z

Reserved: 2018-07-28T00:00:00.000Z

Link: CVE-2018-14715

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-08-03T18:29:00.580

Modified: 2024-11-21T03:49:39.333

Link: CVE-2018-14715

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-338

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