CVE-2020-25927

{"id": "CVE-2020-25927", "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}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/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}]}, "published": "2021-08-18T19:15:07.247", "references": [{"url": "http://www.iniche.com/source-code/networking-stack/nichestack.php", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/", "tags": ["Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.kb.cert.org/vuls/id/608209", "tags": ["Third Party Advisory", "US Government Resource"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Out-of-bounds Read. The impact is: a denial of service (remote). The component is: DNS response processing in function: dns_upcall(). The attack vector is: a specific DNS response packet. The code does not check whether the number of queries/responses specified in the DNS packet header corresponds to the query/response data available in the DNS packet."}, {"lang": "es", "value": "La funcionalidad DNS en InterNiche NicheStack TCP/IP versi\u00f3n 4.0.1, est\u00e1 afectada por: Lectura fuera de l\u00edmites. El impacto es: una denegaci\u00f3n de servicio (remoto). El componente es: Procesamiento de respuestas DNS en la funci\u00f3n: dns_upcall(). El vector de ataque es: un paquete de respuesta DNS espec\u00edfico. El c\u00f3digo no comprueba si el n\u00famero de consultas/respuestas especificado en el encabezado del paquete DNS se corresponde con los datos de consulta/respuesta disponibles en el paquete DNS."}], "lastModified": "2021-08-26T18:23:43.370", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:hcc-embedded:nichestack_tcp\\/ip:4.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EBA5023C-F403-43DA-BC96-F0D020D6E213"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}