CVE-2017-6678

{"id": "CVE-2017-6678", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "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}]}, "published": "2017-06-26T07:29:00.247", "references": [{"url": "http://www.securityfocus.com/bid/99195", "tags": ["Third Party Advisory", "VDB Entry"], "source": "ykramarz@cisco.com"}, {"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-vpc", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-755"}]}, {"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the ingress UDP packet processing functionality of Cisco Virtualized Packet Core-Distributed Instance (VPC-DI) Software 19.2 through 21.0 could allow an unauthenticated, remote attacker to cause both control function (CF) instances on an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient handling of user-supplied data by the affected software. An attacker could exploit this vulnerability by sending crafted UDP packets to the distributed instance (DI) network addresses of both CF instances on an affected system. A successful exploit could allow the attacker to cause an unhandled error condition on the affected system, which would cause the CF instances to reload and consequently cause the entire VPC to reload, resulting in the disconnection of all subscribers and a DoS condition on the affected system. This vulnerability can be exploited via IPv4 traffic only. Cisco Bug IDs: CSCvc01665 CSCvc35565."}, {"lang": "es", "value": "Una vulnerabilidad en la funcionalidad de procesamiento de paquetes de entrada UDP del software Cisco Virtualized Packet Core-Distributed Instance (VPC-DI) de la versi\u00f3n 19.2 a la 21.0 podr\u00eda permitir que un atacante remoto no autenticado haga que ambas instancias de funci\u00f3n de control (CF) se recarguen en un sistema afectado, lo que resulta en una denegaci\u00f3n de servicio (DoS). La vulnerabilidad se debe a la gesti\u00f3n insuficiente por parte del software afectado de datos proporcionados por el usuario. Un atacante podr\u00eda explotar esta vulnerabilidad enviando paquetes UDP manipulados a las direcciones de red de la instancia distribuida (DI) de ambas instancias CF en un sistema afectado. Un exploit con \u00e9xito podr\u00eda permitir que el atacante provoque una condici\u00f3n de error no gestionada en el sistema afectado, lo que provocar\u00eda que las instancias CF se recarguen y hagan que el VPC completo se recargue. Esto resulta en la desconexi\u00f3n de todos los suscriptores y una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en el sistema afectado. Esta vulnerabilidad solo puede ser explotada mediante tr\u00e1fico IPv4. Cisco Bug IDs: CSCvc01665 CSCvc35565."}], "lastModified": "2019-10-09T23:28:55.450", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:virtualized_packet_core:v19.2_base:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76DE3913-DE6C-48A2-BB24-6AF617501DF4"}, {"criteria": "cpe:2.3:a:cisco:virtualized_packet_core:v19.3_base:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "89FE29AF-11C8-495F-86C2-B19B14FD4D7E"}, {"criteria": "cpe:2.3:a:cisco:virtualized_packet_core:v20.0_base:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F3CA29A-DA96-4C48-8140-A73C5857DBE7"}, {"criteria": "cpe:2.3:a:cisco:virtualized_packet_core:v20.1_base:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A7E2AF37-4985-433F-80BE-7060E921A3B7"}, {"criteria": "cpe:2.3:a:cisco:virtualized_packet_core:v20.2_base:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E4DC29E7-BEE9-4CAA-892C-77FD39A10263"}, {"criteria": "cpe:2.3:a:cisco:virtualized_packet_core:v21.0_base:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36453D39-614F-4086-8977-A4466BBB6B64"}], "operator": "OR"}]}], "sourceIdentifier": "ykramarz@cisco.com"}