cve-2018-0395
Vulnerability from cvelistv5
Published
2018-10-17 20:00
Modified
2024-09-17 01:21
Summary
Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T03:21:15.658Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20181017 Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"
          },
          {
            "name": "1041919",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1041919"
          },
          {
            "name": "105674",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/105674"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco NX-OS Software",
          "vendor": "Cisco",
          "versions": [
            {
              "lessThan": "6.2(1)",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Firepower 4100 Series Next-Generation Firewalls",
          "vendor": "Cisco",
          "versions": [
            {
              "lessThan": "\u003c2.3.1.58",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2018-10-17T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads. The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-10-20T09:57:01",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20181017 Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"
        },
        {
          "name": "1041919",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1041919"
        },
        {
          "name": "105674",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/105674"
        }
      ],
      "source": {
        "advisory": "cisco-sa-20181017-fxnx-os-dos",
        "defect": [
          [
            "CSCuc98542",
            "CSCvf23367",
            "CSCvj94174",
            "CSCvj96148"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2018-10-17T16:00:00-0500",
          "ID": "CVE-2018-0395",
          "STATE": "PUBLIC",
          "TITLE": "Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco NX-OS Software",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "6.2(1)"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Firepower 4100 Series Next-Generation Firewalls",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "\u003c2.3.1.58"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads. The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly."
            }
          ]
        },
        "exploit": [
          {
            "lang": "en",
            "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
          }
        ],
        "impact": {
          "cvss": {
            "baseScore": "8.8",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20181017 Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"
            },
            {
              "name": "1041919",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1041919"
            },
            {
              "name": "105674",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/105674"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-20181017-fxnx-os-dos",
          "defect": [
            [
              "CSCuc98542",
              "CSCvf23367",
              "CSCvj94174",
              "CSCvj96148"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2018-0395",
    "datePublished": "2018-10-17T20:00:00Z",
    "dateReserved": "2017-11-27T00:00:00",
    "dateUpdated": "2024-09-17T01:21:42.887Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-0395\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2018-10-17T19:29:00.303\",\"lastModified\":\"2023-04-20T17:17:59.437\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads. The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la implementaci\u00f3n LLDP (Link Layer Discovery Protocol) para Cisco FXOS Software y Cisco NX-OS Software podr\u00eda permitir que un atacante adyacente no autenticado cree una condici\u00f3n de denegaci\u00f3n de servicio (DoS) cuando el dispositivo se recarga inesperadamente. Esta vulnerabilidad se debe a una validaci\u00f3n incorrecta de entradas de determinados campos type, length y value (TLV) de la cabecera de la trama LLDP. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un paquete LLDP a una interfaz del dispositivo objetivo. Su explotaci\u00f3n con \u00e9xito podr\u00eda permitir que el atacante provoque el reinicio inesperado del switch.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.6,\"impactScore\":3.6},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:M/Au:N/C:N/I:N/A:P\",\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":2.9},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":5.5,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:6.0\\\\(4\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A967FB72-BCEB-4A76-A322-DDB0C4094E7C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:6.1\\\\(3\\\\)s2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"60DD88C1-F02E-497C-BAAF-D52B5A9A6224\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:nexus_7000_10-slot:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B22B3865-30E9-4B5A-A37D-DC33F1150FFE\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:nexus_7000_18-slot:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"459A7F11-52BF-4AD6-B495-4C4D6C050493\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:nexus_7000_4-slot:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FEACA55F-4335-4478-B608-EB92EE1D6C6D\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:nexus_7000_9-slot:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB73543E-9B5B-4BA9-8FB4-666AF5AC8B6B\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:nexus_7700_10-slot:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E5ABB175-81BE-4C46-BD2D-70016508BE22\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:nexus_7700_18-slot:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"71F93299-A715-4E97-87FE-B1E248EA98BD\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:nexus_7700_2-slot:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D71B228-FFE5-45F7-ADCF-6D359ADA6D31\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:nexus_7700_6-slot:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9F3AD807-5A0F-4DF5-9A7A-748205F409E7\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:firepower_extensible_operating_system:r231:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EC52EFF8-C5A8-4530-B3F5-03BCC023D6AC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:r231:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"883FB3A5-8C8C-41E5-ACA5-F75B4597076A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_9300:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07DAFDDA-718B-4B69-A524-B0CEB80FE960\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:12.3\\\\(1e\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"94E4F174-8F51-41AF-82C7-0CA577753191\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_9300:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07DAFDDA-718B-4B69-A524-B0CEB80FE960\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:3.2\\\\(3d\\\\)c:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"484C51B0-CA59-4E7C-B4E7-454AFF5F75F9\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:ucs:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6166A0C7-D633-4835-88DB-B60E5B1AA818\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/105674\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1041919\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.