GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2018-14635

Vulnerability from fkie_nvd - Published: 2018-09-10 19:29 - Updated: 2026-06-17 01:41
Severity
6.5 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:2710Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:2715Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:2721Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:3792Third Party Advisory
secalert@redhat.comhttps://bugs.launchpad.net/neutron/+bug/1757482Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762dPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2710Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2715Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2721Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3792Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/neutron/+bug/1757482Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762dPatch, Vendor Advisory
Impacted products
Vendor Product Version
redhat openstack 10
redhat openstack 12
redhat openstack 13
openstack neutron *
openstack neutron *
openstack neutron 13.0.0.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "openstack-neutron",
          "vendor": "The Openstack Project",
          "versions": [
            {
              "status": "affected",
              "version": "13.0.0.0b2, 12.0.3, 11.0.5"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*",
              "matchCriteriaId": "E722FEF7-58A6-47AD-B1D0-DB0B71B0C7AA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:redhat:openstack:12:*:*:*:*:*:*:*",
              "matchCriteriaId": "4D4AC996-B340-4A14-86F7-FF83B4D5EC8F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*",
              "matchCriteriaId": "704CFA1A-953E-4105-BFBE-406034B83DED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E3BB2AF8-29B1-49C4-A15B-FF432B20E4B4",
              "versionEndIncluding": "11.0.5",
              "versionStartIncluding": "11.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F675D5F4-0FB0-4D0F-A1D7-07F808820868",
              "versionEndIncluding": "12.0.3",
              "versionStartIncluding": "12.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openstack:neutron:13.0.0.0:b1:*:*:*:*:*:*",
              "matchCriteriaId": "DB8CB3DE-98B1-43A6-AFFB-CC469657DFE4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable."
    },
    {
      "lang": "es",
      "value": "Al emplear el controlador de Linux bridge ml2, los inquilinos sin privilegios pueden crear y adjuntar puertos sin especificar una direcci\u00f3n IP, omitiendo la validaci\u00f3n de direcciones IP. Podr\u00eda ocurrir una denegaci\u00f3n de servicio (DoS) si una direcci\u00f3n IP, en conflicto con invitados o routers existentes, se asigna desde fuera del grupo de asignaci\u00f3n permitido. Las versiones de openstack-neutron anteriores a la 13.0.0.0b2, 12.0.3 y 11.0.5 son vulnerables."
    }
  ],
  "id": "CVE-2018-14635",
  "lastModified": "2026-06-17T01:41:20.640",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "secalert@redhat.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-09-10T19:29:00.313",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2018:2710"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2018:2715"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2018:2721"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2018:3792"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://bugs.launchpad.net/neutron/+bug/1757482"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762d"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2018:2710"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2018:2715"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2018:2721"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2018:3792"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://bugs.launchpad.net/neutron/+bug/1757482"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762d"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.