{"id":"CVE-2018-13877","state":"PUBLISHED","title":"The doPayouts() function of the smart contract implementation for MegaCryptoPolis, an Ethereum game, has a Denial of Service vulnerability. If a smart contract that has a fallback ","description":"The doPayouts() function of the smart contract implementation for MegaCryptoPolis, an Ethereum game, has a Denial of Service vulnerability. If a smart contract that has a fallback function always causing exceptions buys a land, users cannot buy lands near that contract's land, because those purchase attempts will not be completed unless the doPayouts() function successfully sends Ether to certain neighbors.","publishedAt":"2018-08-06T20:00:00.000Z","updatedAt":"2024-08-05T09:14:47.335Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://medium.com/coinmonks/denial-of-service-dos-attack-on-megacryptopolis-an-ethereum-game-cve-2018-13877-cdd7f7ef8b08"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:17.855Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/13xxx/CVE-2018-13877.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-13877","state":"PUBLISHED","datePublished":"2018-08-06T20:00:00.000Z","dateUpdated":"2024-08-05T09:14:47.335Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2018-07-10T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The doPayouts() function of the smart contract implementation for MegaCryptoPolis, an Ethereum game, has a Denial of Service vulnerability. If a smart contract that has a fallback function always causing exceptions buys a land, users cannot buy lands near that contract's land, because those purchase attempts will not be completed unless the doPayouts() function successfully sends Ether to certain neighbors."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://medium.com/coinmonks/denial-of-service-dos-attack-on-megacryptopolis-an-ethereum-game-cve-2018-13877-cdd7f7ef8b08","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2018-08-06T19:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2018-07-31T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-13877","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 doPayouts() function of the smart contract implementation for MegaCryptoPolis, an Ethereum game, has a Denial of Service vulnerability. If a smart contract that has a fallback function always causing exceptions buys a land, users cannot buy lands near that contract's land, because those purchase attempts will not be completed unless the doPayouts() function successfully sends Ether to certain neighbors."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://medium.com/coinmonks/denial-of-service-dos-attack-on-megacryptopolis-an-ethereum-game-cve-2018-13877-cdd7f7ef8b08","refsource":"MISC","url":"https://medium.com/coinmonks/denial-of-service-dos-attack-on-megacryptopolis-an-ethereum-game-cve-2018-13877-cdd7f7ef8b08"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://medium.com/coinmonks/denial-of-service-dos-attack-on-megacryptopolis-an-ethereum-game-cve-2018-13877-cdd7f7ef8b08","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T09:14:47.335Z"}}]}}}