{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-07-30T00:00:00", "descriptions": [{"lang": "en", "value": "The 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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-08-07T14:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://etherscan.io/address/0xa44e464b13280340904ffef0a65b8a0033460430"}, {"tags": ["x_refsource_MISC"], "url": "https://medium.com/coinmonks/get-legendary-items-by-breaking-pnrg-of-mycyptochamp-an-ethereum-online-game-cve-2018-12855-6e6beb41b8df"}, {"tags": ["x_refsource_MISC"], "url": "https://etherscan.io/address/0x689FB61845488297dfE7586E5f7956475955d2Dc"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "[email protected]", "ID": "CVE-2018-12885", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The 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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://etherscan.io/address/0xa44e464b13280340904ffef0a65b8a0033460430", "refsource": "MISC", "url": "https://etherscan.io/address/0xa44e464b13280340904ffef0a65b8a0033460430"}, {"name": "https://medium.com/coinmonks/get-legendary-items-by-breaking-pnrg-of-mycyptochamp-an-ethereum-online-game-cve-2018-12855-6e6beb41b8df", "refsource": "MISC", "url": "https://medium.com/coinmonks/get-legendary-items-by-breaking-pnrg-of-mycyptochamp-an-ethereum-online-game-cve-2018-12855-6e6beb41b8df"}, {"name": "https://etherscan.io/address/0x689FB61845488297dfE7586E5f7956475955d2Dc", "refsource": "MISC", "url": "https://etherscan.io/address/0x689FB61845488297dfE7586E5f7956475955d2Dc"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T08:45:02.506Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://etherscan.io/address/0xa44e464b13280340904ffef0a65b8a0033460430"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://medium.com/coinmonks/get-legendary-items-by-breaking-pnrg-of-mycyptochamp-an-ethereum-online-game-cve-2018-12855-6e6beb41b8df"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://etherscan.io/address/0x689FB61845488297dfE7586E5f7956475955d2Dc"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-12885", "datePublished": "2018-08-07T15:00:00", "dateReserved": "2018-06-26T00:00:00", "dateUpdated": "2024-08-05T08:45:02.506Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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