CVE-2018-14087

An issue was discovered in a smart contract implementation for EUC (EUC), an Ethereum token. The contract has an integer overflow. If the owner sets the value of buyPrice to a large number in setPrices() then the "msg.value * buyPrice" will cause an integer overflow in the fallback function.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/hellowuzekai/blockchains/blob/master/overflow2.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:encryptedtoken_project:encryptedtoken:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-07-16 02:29

Updated : 2024-02-28 16:48

NVD link : CVE-2018-14087

Mitre link : CVE-2018-14087

CVE.ORG link : CVE-2018-14087

JSON object : View

Products Affected

encryptedtoken_project

encryptedtoken

CWE

CWE-190

Integer Overflow or Wraparound

{"id": "CVE-2018-14087", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2018-07-16T02:29:00.397", "references": [{"url": "https://github.com/hellowuzekai/blockchains/blob/master/overflow2.md", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in a smart contract implementation for EUC (EUC), an Ethereum token. The contract has an integer overflow. If the owner sets the value of buyPrice to a large number in setPrices() then the \"msg.value * buyPrice\" will cause an integer overflow in the fallback function."}, {"lang": "es", "value": "Se ha descubierto un problema en una implementaci\u00f3n de contrato inteligente para EUC (EUC), un token de Ethereum. El contrato tiene un desbordamiento de enteros. Si el propietario establece el valor de buyPrice a un n\u00famero grande en setPrices(), \"msg.value * buyPrice\" provocar\u00e1 un desbordamiento de enteros en la funci\u00f3n fallback."}], "lastModified": "2020-02-18T14:26:04.617", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:encryptedtoken_project:encryptedtoken:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "95C03366-CF0E-45C6-8EF7-8EB30BC6C795"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}