CVE-2018-12885

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Summary

CVECVE-2018-12885
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-08-07 15:29:00 UTC
Updated2018-10-18 14:40:00 UTC
DescriptionThe randMod() function of the smart contract implementation for MyCryptoChamp, an Ethereum game, generates a random value with publicly readable variables such as the current block information and a private variable, (which can be read with a getStorageAt call). Therefore, attackers can get powerful champs/items and get rewards.

Risk And Classification

Problem Types: CWE-338

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mycryptochamp Mycryptochamp - All All All
Application Mycryptochamp Mycryptochamp - All All All

References

ReferenceSourceLinkTags
MyCryptoChampCore | 0x689FB61845488297dfE7586E5f7956475955d2Dc MISC etherscan.io Third Party Advisory
Get legendary items by breaking PNRG of MyCyptoChamp, an Ethereum online game (CVE-2018–12885) MISC medium.com Exploit, Third Party Advisory
Ethereum Accounts, Addresses and Contracts MISC etherscan.io Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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