Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cryptogs | Cryptogs | - |
Related Weaknesses (CWE)
References
- https://medium.com/%40jonghyk.song/attack-on-pseudo-random-number-generator-prng
- https://medium.com/%40jonghyk.song/attack-on-pseudo-random-number-generator-prng
FAQ
What is CVE-2018-14715?
CVE-2018-14715 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 pred...
How severe is CVE-2018-14715?
CVE-2018-14715 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-14715?
Check the references section above for vendor advisories and patch information. Affected products include: Cryptogs Cryptogs.