{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "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" } ] } }