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The vulnerabilities are due to the improper parsing of LDAP packets by an affected device. An attacker could exploit these vulnerabilities by sending an LDAP packet crafted using Basic Encoding Rules (BER) to an affected device. The LDAP packet must have a source IP address of an LDAP server configured on the targeted device. A successful exploit could cause the affected device to reload, resulting in a DoS condition. Firepower 4100 Series Next-Generation Firewalls are affected in versions prior to 2.0.1.201, 2.2.2.54, and 2.3.1.75. Firepower 9300 Security Appliances are affected in versions prior to 2.0.1.201, 2.2.2.54 and 2.3.1.75. MDS 9000 Series Multilayer Switches are affected in versions prior to 8.2(1). Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(1). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(2). Nexus 7000 and 7700 Series Switches are affected in versions prior to 8.2(1). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(1). Cisco UCS 6200 and 6300 Fabric Interconnect devices are affected in versions prior to 3.2(2b)."}, {"lang": "es", "value": "M\u00faltiples vulnerabilidades en la implementaci\u00f3n de una funcionalidad de Lightweight Directory Access Protocol (LDAP) en los software FXOS y NX-OS de Cisco podr\u00edan permitir a un atacante remoto no autenticado provocar que un dispositivo afectado se actualice nuevamente, conduciendo a una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Estas vulnerabilidades se deben a un an\u00e1lisis sint\u00e1ctico incorrecto de los paquetes LDAP de un dispositivo afectado. Un atacante podr\u00eda explotar estas vulnerabilidades enviando un paquete LDAP manipulado mediante el uso de reglas denominadas \"Basic Encoding Rules\" (BER) a un dispositivo afectado. El paquete LDAP deber\u00e1 tener una direcci\u00f3n IP de origen de un servidor LDAP que est\u00e9 configurado en el dispositivo objetivo. Si se tiene \u00e9xito, el dispositivo afectado podr\u00eda recargarse, provocando una denegaci\u00f3n de servicio. Los firewalls de Firepower 4100 Series Next-Generation se ven afectados en versiones anteriores a las 2.0.1.201, 2.2.2.52 y 2.3.1.75. Firepower 9300 Security Appliances se ven afectados en versiones anteriores a las 2.0.1.201, 2.2.2.52 y 2.3.1.75. Los switches de MDS 9000 Series Multilayer se ven afectados en versiones anteriores a la 8.2(1). Los switches de Nexus 3000 Series se ven afectados en versiones anteriores a la 7.0(3)I7(1). Los switches de Nexus 3500 Platform se ven afectados en versiones anteriores a la 7.0(3)I7(2). Los switches de Nexus, en sus series 7000 y 7700, se ven afectados en versiones anteriores a la 8.2(1). Las versiones anteriores a la 70(3)I7(1) de Nexus 9000 Series Switches, en modo NX-OS, se ven afectadas. Los dispositivos Cisco UCS 6200 y 6300 Fabric Interconnect, se ven afectados en versiones anteriores a la 3.2(2b)."}], "id": "CVE-2019-1597", "lastModified": "2024-11-21T04:36:53.300", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "ykramarz@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-03-07T19:29:00.270", "references": [{"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/107394"}, {"source": "ykramarz@cisco.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxosldap"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/107394"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxosldap"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "ykramarz@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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