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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*", "matchCriteriaId": "650EB42C-D85F-482B-972D-7DCAC210DC48", "versionEndIncluding": "15.6", "versionStartIncluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*", "matchCriteriaId": "E4BC49F2-3DCB-45F0-9030-13F6415EE178", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*", "matchCriteriaId": "9D4D8C72-E7BB-40BF-9AE5-622794D63E09", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*", "matchCriteriaId": "AB7DA496-D86E-4662-A8F7-3D3B898A1B46", "versionEndIncluding": "3.7", "versionStartIncluding": "3.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the DHCP client implementation of Cisco IOS (12.2, 12.4, and 15.0 through 15.6) and Cisco IOS XE (3.3 through 3.7) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability occurs during the parsing of a crafted DHCP packet. An attacker could exploit this vulnerability by sending crafted DHCP packets to an affected device that is configured as a DHCP client. A successful exploit could allow the attacker to cause a reload of an affected device, resulting in a DoS condition. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS or IOS XE Software and using a specific DHCP client configuration. Cisco Bug IDs: CSCuu43892."}, {"lang": "es", "value": "Una vulnerabilidad en la implementaci\u00f3n del cliente DHCP de Cisco IOS (12.2, 12.4 y 15.0 hasta la versi\u00f3n 15.6) y Cisco IOS XE (3.3 hasta la versi\u00f3n 3.7) podr\u00eda permitir a un atacante remoto no autenticado provocar una denegaci\u00f3n de servicio (DoS). La vulnerabilidad se produce durante el an\u00e1lisis de un paquete DHCP elaborado. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de paquetes DHCP creados a un dispositivo afectado configurado como un cliente DHCP. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante hacer que el dispositivo se volviera a cargar, lo que dar\u00eda lugar a una condici\u00f3n DoS. Esta vulnerabilidad afecta a los dispositivos Cisco que ejecutan una versi\u00f3n vulnerable del software Cisco IOS o IOS XE y que utilizan una configuraci\u00f3n de cliente DHCP espec\u00edfica. ID de bugs de Cisco: CSCuu43892."}], "id": "CVE-2017-3864", "lastModified": "2020-09-04T16:49:12.827", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-03-22T19:59:00.400", "references": [{"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/97012"}, {"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1038103"}, {"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170322-dhcpc"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-399"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

{}