CVE-2018-5739

{"id": "CVE-2018-5739", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security-officer@isc.org", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2019-01-16T20:29:00.940", "references": [{"url": "https://kb.isc.org/docs/aa-01626", "tags": ["Vendor Advisory"], "source": "security-officer@isc.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-772"}]}], "descriptions": [{"lang": "en", "value": "An extension to hooks capabilities which debuted in Kea 1.4.0 introduced a memory leak for operators who are using certain hooks library facilities. In order to support multiple requests simultaneously, Kea 1.4 added a callout handle store but unfortunately the initial implementation of this store does not properly free memory in every case. Hooks which make use of query4 or query6 parameters in their callouts can leak memory, resulting in the eventual exhaustion of available memory and subsequent failure of the server process. Affects Kea DHCP 1.4.0."}, {"lang": "es", "value": "Una extensi\u00f3n de las capacidades de enlace que debut\u00f3 en Kea 1.4.0 introdujo una fuga de memoria para los operadores que emplean ciertas caracter\u00edsticas de la biblioteca de enlaces. Para poder soportar m\u00faltiples peticiones de forma simult\u00e1nea, Kea 1.4 introdujo un almac\u00e9n de manejo de llamadas pero, desafortunadamente, la implementaci\u00f3n inicial de este almac\u00e9n no libera memoria correctamente en cada caso. Los enlaces que emplean los par\u00e1metros query4 o query6 en sus llamadas pueden filtrar memoria, lo que resulta en el agotamiento de la memoria disponible y el el subsiguiente error del proceso del servidor. Afecta a Kea DHCP 1.4.0."}], "lastModified": "2019-10-09T23:41:33.423", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isc:kea:1.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0A6F1B5-E158-4C10-9C2D-57CEF9B8CF9E"}], "operator": "OR"}]}], "sourceIdentifier": "security-officer@isc.org"}