CVE-2017-12340

{"containers": {"cna": {"affected": [{"product": "Cisco Multilayer Director, Nexus 7000 Series, and Nexus 7700 Series Switches", "vendor": "n/a", "versions": [{"status": "affected", "version": "Cisco Multilayer Director, Nexus 7000 Series, and Nexus 7700 Series Switches"}]}], "datePublic": "2017-11-30T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A vulnerability in Cisco NX-OS System Software running on Cisco MDS Multilayer Director Switches, Cisco Nexus 7000 Series Switches, and Cisco Nexus 7700 Series Switches could allow an authenticated, local attacker to access the Bash shell of an affected device's operating system, even if the Bash shell is disabled on the system. The vulnerability is due to insufficient sanitization of user-supplied parameters that are passed to certain functions of the Python scripting sandbox of the affected system. An attacker could exploit this vulnerability to escape the scripting sandbox and enter the Bash shell of the operating system with the privileges of the authenticated user for the affected system. To exploit this vulnerability, the attacker must have local access to the affected system and be authenticated to the affected system with administrative or Python execution privileges. Cisco Bug IDs: CSCvd86513."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2017-12-07T10:57:01.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "102069", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/102069"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "ID": "CVE-2017-12340", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco Multilayer Director, Nexus 7000 Series, and Nexus 7700 Series Switches", "version": {"version_data": [{"version_value": "Cisco Multilayer Director, Nexus 7000 Series, and Nexus 7700 Series Switches"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in Cisco NX-OS System Software running on Cisco MDS Multilayer Director Switches, Cisco Nexus 7000 Series Switches, and Cisco Nexus 7700 Series Switches could allow an authenticated, local attacker to access the Bash shell of an affected device's operating system, even if the Bash shell is disabled on the system. The vulnerability is due to insufficient sanitization of user-supplied parameters that are passed to certain functions of the Python scripting sandbox of the affected system. An attacker could exploit this vulnerability to escape the scripting sandbox and enter the Bash shell of the operating system with the privileges of the authenticated user for the affected system. To exploit this vulnerability, the attacker must have local access to the affected system and be authenticated to the affected system with administrative or Python execution privileges. Cisco Bug IDs: CSCvd86513."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-284"}]}]}, "references": {"reference_data": [{"name": "102069", "refsource": "BID", "url": "http://www.securityfocus.com/bid/102069"}, {"name": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch", "refsource": "CONFIRM", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T18:36:56.229Z"}, "title": "CVE Program Container", "references": [{"name": "102069", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/102069"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch"}]}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2017-12340", "datePublished": "2017-11-30T09:00:00.000Z", "dateReserved": "2017-08-03T00:00:00.000Z", "dateUpdated": "2024-08-05T18:36:56.229Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Cisco Multilayer Director, Nexus 7000 Series, and Nexus 7700 Series Switches", "vendor": "n/a", "versions": [{"status": "affected", "version": "Cisco Multilayer Director, Nexus 7000 Series, and Nexus 7700 Series Switches"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:nx-os:8.1\\(0.70\\)s0:*:*:*:*:*:*:*", "matchCriteriaId": "EEC6B471-BE9B-4301-BEE7-3FF50DC94937", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in Cisco NX-OS System Software running on Cisco MDS Multilayer Director Switches, Cisco Nexus 7000 Series Switches, and Cisco Nexus 7700 Series Switches could allow an authenticated, local attacker to access the Bash shell of an affected device's operating system, even if the Bash shell is disabled on the system. The vulnerability is due to insufficient sanitization of user-supplied parameters that are passed to certain functions of the Python scripting sandbox of the affected system. An attacker could exploit this vulnerability to escape the scripting sandbox and enter the Bash shell of the operating system with the privileges of the authenticated user for the affected system. To exploit this vulnerability, the attacker must have local access to the affected system and be authenticated to the affected system with administrative or Python execution privileges. Cisco Bug IDs: CSCvd86513."}, {"lang": "es", "value": "Una vulnerabilidad en Cisco NX-OS System Software que se ejecute en Cisco MDS Multilayer Director Switches, Cisco Nexus 7000 Series Switches y Cisco Nexus 7700 Series Switches podr\u00eda permitir que un atacante local autenticado acceda al shell Bash del sistema operativo de un dispositivo afectado, incluso si el shell Bash est\u00e1 deshabilitado en el sistema. La vulnerabilidad se debe a la sanitizaci\u00f3n insuficiente de par\u00e1metros proporcionados por el usuario que se pasan a algunas funciones del sandbox de scripting de Python del dispositivo afectado. Un atacante podr\u00eda explotar esta vulnerabilidad para escapar la sandbox de scripting y ejecutar el shell Bash del sistema operativo con los privilegios del usuario autenticado para el sistema afectado. Para explotar esta vulnerabilidad, el atacante debe tener acceso local al sistema afectado y estar autenticado en el sistema afectado con privilegios de administrador o de ejecuci\u00f3n de Python. Cisco Bug IDs: CSCvd86513."}], "id": "CVE-2017-12340", "lastModified": "2026-06-17T01:03:10.417", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 0.8, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-11-30T09:29:00.650", "references": [{"source": "psirt@cisco.com", "url": "http://www.securityfocus.com/bid/102069"}, {"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/102069"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-116"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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