RHSA-2015:0044

Vulnerability from csaf_redhat - Published: 2015-01-13 17:57 - Updated: 2025-11-21 17:51
Summary
Red Hat Security Advisory: openstack-neutron security update

Notes

Topic
Updated openstack-neutron packages that fix one security issue are now available for Red Hat Enterprise Linux OpenStack Platform 4.0 Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Details
OpenStack Networking (neutron) is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines. As of Red Hat Enterprise Linux OpenStack Platform 4.0, 'neutron' replaces 'quantum' as the core component of OpenStack Networking. A denial of service flaw was found in the way neutron handled the 'dns_nameservers' parameter. By providing specially crafted 'dns_nameservers' values, an authenticated user could use this flaw to crash the neutron service. (CVE-2014-7821) Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges Henry Yamauchi, Charles Neill, and Michael Xin (Rackspace) as the original reporters. All openstack-neutron users are advised to upgrade to these updated packages, which contain backported patches to correct these issues.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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          "name": "openstack-neutron-nicira-0:2013.2.4-6.el6ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 4.0",
          "product_id": "6Server-RHOS-4.0:openstack-neutron-nicira-0:2013.2.4-6.el6ost.noarch"
        },
        "product_reference": "openstack-neutron-nicira-0:2013.2.4-6.el6ost.noarch",
        "relates_to_product_reference": "6Server-RHOS-4.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openstack-neutron-openvswitch-0:2013.2.4-6.el6ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 4.0",
          "product_id": "6Server-RHOS-4.0:openstack-neutron-openvswitch-0:2013.2.4-6.el6ost.noarch"
        },
        "product_reference": "openstack-neutron-openvswitch-0:2013.2.4-6.el6ost.noarch",
        "relates_to_product_reference": "6Server-RHOS-4.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openstack-neutron-plumgrid-0:2013.2.4-6.el6ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 4.0",
          "product_id": "6Server-RHOS-4.0:openstack-neutron-plumgrid-0:2013.2.4-6.el6ost.noarch"
        },
        "product_reference": "openstack-neutron-plumgrid-0:2013.2.4-6.el6ost.noarch",
        "relates_to_product_reference": "6Server-RHOS-4.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openstack-neutron-ryu-0:2013.2.4-6.el6ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 4.0",
          "product_id": "6Server-RHOS-4.0:openstack-neutron-ryu-0:2013.2.4-6.el6ost.noarch"
        },
        "product_reference": "openstack-neutron-ryu-0:2013.2.4-6.el6ost.noarch",
        "relates_to_product_reference": "6Server-RHOS-4.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openstack-neutron-vpn-agent-0:2013.2.4-6.el6ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 4.0",
          "product_id": "6Server-RHOS-4.0:openstack-neutron-vpn-agent-0:2013.2.4-6.el6ost.noarch"
        },
        "product_reference": "openstack-neutron-vpn-agent-0:2013.2.4-6.el6ost.noarch",
        "relates_to_product_reference": "6Server-RHOS-4.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python-neutron-0:2013.2.4-6.el6ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 4.0",
          "product_id": "6Server-RHOS-4.0:python-neutron-0:2013.2.4-6.el6ost.noarch"
        },
        "product_reference": "python-neutron-0:2013.2.4-6.el6ost.noarch",
        "relates_to_product_reference": "6Server-RHOS-4.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "OpenStack project"
          ]
        }
      ],
      "cve": "CVE-2014-7821",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2014-11-12T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1163457"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A denial of service flaw was found in the way neutron handled the \u0027dns_nameservers\u0027 parameter. By providing specially crafted \u0027dns_nameservers\u0027 values, an authenticated user could use this flaw to crash the neutron service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openstack-neutron: DoS via maliciously crafted dns_nameservers",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "6Server-RHOS-4.0:openstack-neutron-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-0:2013.2.4-6.el6ost.src",
          "6Server-RHOS-4.0:openstack-neutron-bigswitch-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-brocade-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-cisco-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-hyperv-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-linuxbridge-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-mellanox-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-metaplugin-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-metering-agent-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-midonet-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-ml2-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-nec-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-nicira-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-openvswitch-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-plumgrid-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-ryu-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:openstack-neutron-vpn-agent-0:2013.2.4-6.el6ost.noarch",
          "6Server-RHOS-4.0:python-neutron-0:2013.2.4-6.el6ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2014-7821"
        },
        {
          "category": "external",
          "summary": "RHBZ#1163457",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1163457"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2014-7821",
          "url": "https://www.cve.org/CVERecord?id=CVE-2014-7821"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-7821",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-7821"
        }
      ],
      "release_date": "2014-11-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2015-01-13T17:57:13+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "6Server-RHOS-4.0:openstack-neutron-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-0:2013.2.4-6.el6ost.src",
            "6Server-RHOS-4.0:openstack-neutron-bigswitch-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-brocade-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-cisco-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-hyperv-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-linuxbridge-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-mellanox-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-metaplugin-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-metering-agent-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-midonet-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-ml2-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-nec-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-nicira-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-openvswitch-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-plumgrid-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-ryu-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-vpn-agent-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:python-neutron-0:2013.2.4-6.el6ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2015:0044"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "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"
          },
          "products": [
            "6Server-RHOS-4.0:openstack-neutron-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-0:2013.2.4-6.el6ost.src",
            "6Server-RHOS-4.0:openstack-neutron-bigswitch-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-brocade-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-cisco-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-hyperv-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-linuxbridge-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-mellanox-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-metaplugin-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-metering-agent-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-midonet-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-ml2-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-nec-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-nicira-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-openvswitch-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-plumgrid-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-ryu-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:openstack-neutron-vpn-agent-0:2013.2.4-6.el6ost.noarch",
            "6Server-RHOS-4.0:python-neutron-0:2013.2.4-6.el6ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openstack-neutron: DoS via maliciously crafted dns_nameservers"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.