{ "id": "CVE-2018-14089", "sourceIdentifier": "cve@mitre.org", "published": "2018-07-16T02:29:00.507", "lastModified": "2018-09-12T16:55:54.877", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An issue was discovered in a smart contract implementation for Virgo_ZodiacToken, an Ethereum token. In this contract, 'bool sufficientAllowance = allowance <= _value' will cause an arbitrary transfer in the function transferFrom because '<=' is used instead of '>=' (which was intended). An attacker can transfer from any address to his address, and does not need to meet the 'allowance > value' condition." }, { "lang": "es", "value": "Se ha descubierto un problema en una implementaci\u00f3n de contrato inteligente para Virgo_ZodiacToken, un token de Ethereum. En este contrato, \"bool sufficientAllowance = allowance <= _value\" provocar\u00e1 una transferencia arbitraria en la funci\u00f3n transferFrom debido a que \"<=\" se emplea en lugar de \">=\" (lo que estaba planeado). Un atacante puede transferir desde cualquier direcci\u00f3n a la suya sin necesitar cumplir la condici\u00f3n \"allowance > value\"." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:virgo_zodiactoken_project:virgo_zodiactoken:-:*:*:*:*:*:*:*", "matchCriteriaId": "03F5EBA8-1A32-4D89-A18A-C09F96DF568A" } ] } ] } ], "references": [ { "url": "https://github.com/hellowuzekai/blockchains/blob/master/transferFrom.md", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] } ] }