{ "containers": { "cna": { "affected": [ { "product": "Cisco IOS and IOS XE", "vendor": "n/a", "versions": [ { "status": "affected", "version": "Cisco IOS and IOS XE" } ] } ], "datePublic": "2018-03-28T00:00:00.000Z", "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." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-388", "description": "CWE-388", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2018-04-19T13:57:01.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "1040587", "tags": [ "vdb-entry", "x_refsource_SECTRACK" ], "url": "http://www.securitytracker.com/id/1040587" }, { "name": "103565", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/103565" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd" }, { "tags": [ "x_refsource_MISC" ], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "ID": "CVE-2018-0155", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco IOS and IOS XE", "version": { "version_data": [ { "version_value": "Cisco IOS and IOS XE" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-388" } ] } ] }, "references": { "reference_data": [ { "name": "1040587", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1040587" }, { "name": "103565", "refsource": "BID", "url": "http://www.securityfocus.com/bid/103565" }, { "name": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd", "refsource": "CONFIRM", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd" }, { "name": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05", "refsource": "MISC", "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05" } ] } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T03:14:16.886Z" }, "title": "CVE Program Container", "references": [ { "name": "1040587", "tags": [ "vdb-entry", "x_refsource_SECTRACK", "x_transferred" ], "url": "http://www.securitytracker.com/id/1040587" }, { "name": "103565", "tags": [ "vdb-entry", "x_refsource_BID", "x_transferred" ], "url": "http://www.securityfocus.com/bid/103565" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05" } ] }, { "references": [ { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0155", "tags": [ "government-resource" ] } ], "metrics": [ { "cvssV3_1": { "scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2024-11-08T17:28:14.365306Z", "id": "CVE-2018-0155", "options": [ { "Exploitation": "active" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2022-03-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0155" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-12T21:52:53.398Z" } } ] }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2018-0155", "datePublished": "2018-03-28T22:00:00.000Z", "dateReserved": "2017-11-27T00:00:00.000Z", "dateUpdated": "2026-01-12T21:52:53.398Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.2" }