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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:nx-os:8.1\\(1\\):*:*:*:*:*:*:*", "matchCriteriaId": "AB556839-151C-492E-B4C3-C024276D5AB1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:unified_computing_system:7.0\\(0\\)hsk\\(0.357\\):*:*:*:*:*:*:*", "matchCriteriaId": "F5154CDB-F7D6-44DA-B118-3DF12EFA2067", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software patch. The vulnerability is due to insufficient NX-OS signature verification for software patches. An authenticated, local attacker could exploit this vulnerability to bypass signature verification and load a crafted, unsigned software patch on a targeted device. The attacker would need valid administrator credentials to perform this exploit. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Unified Computing System Manager. Cisco Bug IDs: CSCvf16494, CSCvf23655."}, {"lang": "es", "value": "Una vulnerabilidad en Cisco NX-OS System Software podr\u00eda permitir a un atacante local autenticado omitir la verificaci\u00f3n de firmas cuando se carga un parche de software. La vulnerabilidad se debe a una verificaci\u00f3n de firmas NX-OS insuficiente para parches de software. Un atacante local autenticado podr\u00eda explotar esta vulnerabilidad para omitir la verificaci\u00f3n de firmas y cargar un parche de software manipulado y sin firma en un dispositivo objetivo. El atacante necesitar\u00eda credenciales de administrador v\u00e1lidas para explotar esta vulnerabilidad. Esta vulnerabilidad afecta a los siguientes productos que ejecutan Cisco NX-OS System Software: Multilayer Director Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches y Unified Computing System Manager. Cisco Bug IDs: CSCvf16494, CSCvf23655."}], "id": "CVE-2017-12331", "lastModified": "2017-12-15T02:29:03.547", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-11-30T09:29:00.370", "references": [{"source": "ykramarz@cisco.com", "url": "http://www.securityfocus.com/bid/102159"}, {"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1039930"}, {"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-347"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

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