{ "id": "CVE-2018-0155", "sourceIdentifier": "psirt@cisco.com", "published": "2018-03-28T22:29:00.420", "lastModified": "2025-01-27T20:10:19.450", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial of service (DoS) condition. The vulnerability is due to insufficient error handling when the BFD header in a BFD packet is incomplete. An attacker could exploit this vulnerability by sending a crafted BFD message to or across an affected switch. A successful exploit could allow the attacker to trigger a reload of the system. This vulnerability affects Catalyst 4500 Supervisor Engine 6-E (K5), Catalyst 4500 Supervisor Engine 6L-E (K10), Catalyst 4500 Supervisor Engine 7-E (K10), Catalyst 4500 Supervisor Engine 7L-E (K10), Catalyst 4500E Supervisor Engine 8-E (K10), Catalyst 4500E Supervisor Engine 8L-E (K10), Catalyst 4500E Supervisor Engine 9-E (K10), Catalyst 4500-X Series Switches (K10), Catalyst 4900M Switch (K5), Catalyst 4948E Ethernet Switch (K5). Cisco Bug IDs: CSCvc40729." }, { "lang": "es", "value": "Una vulnerabilidad en la implementaci\u00f3n de la descarga Bidirectional Forwarding Detection (BFD) de Cisco Catalyst 4500 Series Switches y Cisco Catalyst 4500-X Series Switches podr\u00eda permitir que un atacante remoto no autenticado provoque el cierre inesperado del proceso iosd, lo que provocar\u00eda una denegaci\u00f3n de servicio (DoS). La vulnerabilidad se debe a la gesti\u00f3n insuficiente de errores cuando la cabecera BFD de un paquete BFD est\u00e1 incompleta. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un mensaje BFD manipulado a un switch afectado o a trav\u00e9s de \u00e9l. Un exploit con \u00e9xito podr\u00eda permitir que el atacante cause el reinicio del sistema. Esta vulnerabilidad afecta a Catalyst 4500 Supervisor Engine 6-E (K5), Catalyst 4500 Supervisor Engine 6L-E (K10), Catalyst 4500 Supervisor Engine 7-E (K10), Catalyst 4500 Supervisor Engine 7L-E (K10), Catalyst 4500E Supervisor Engine 8-E (K10), Catalyst 4500E Supervisor Engine 8L-E (K10), Catalyst 4500E Supervisor Engine 9-E (K10), Catalyst 4500-X Series Switches (K10), Catalyst 4900M Switch (K5) y Catalyst 4948E Ethernet Switch (K5). Cisco Bug IDs: CSCvc40729." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 4.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "baseScore": 7.8, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "cisaExploitAdd": "2022-03-03", "cisaActionDue": "2022-03-17", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability", "weaknesses": [ { "source": "psirt@cisco.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-388" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-755" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:ios:3.6\\(2\\)e:*:*:*:*:*:*:*", "matchCriteriaId": "3ACD48AE-B818-40CE-848B-90B9BF1D4255" }, { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:ios_xe:3.6\\(2\\)e:*:*:*:*:*:*:*", "matchCriteriaId": "0D9506FB-B290-44AF-80A1-F698BEC3CBC0" } ] }, { "operator": "OR", "negate": 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"cpe:2.3:o:cisco:ios:3.6\\(2\\)e:*:*:*:*:*:*:*", "matchCriteriaId": "3ACD48AE-B818-40CE-848B-90B9BF1D4255" }, { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:ios_xe:3.6\\(2\\)e:*:*:*:*:*:*:*", "matchCriteriaId": "0D9506FB-B290-44AF-80A1-F698BEC3CBC0" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:rockwellautomation:allen-bradley_stratix_8300_industrial_managed_ethernet_switch:-:*:*:*:*:*:*:*", "matchCriteriaId": "E96AE552-ABC5-4101-ACF6-B7F20FFB4043" } ] } ] } ], "references": [ { "url": "http://www.securityfocus.com/bid/103565", "source": "psirt@cisco.com", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1040587", "source": "psirt@cisco.com", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05", "source": "psirt@cisco.com", "tags": [ "Third Party Advisory", "US Government Resource" ] }, { "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd", "source": "psirt@cisco.com", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.securityfocus.com/bid/103565", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1040587", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "US Government Resource" ] }, { "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }