rhsa-2014:1942
Vulnerability from csaf_redhat
Published
2014-12-02 16:58
Modified
2024-11-22 08:41
Summary
Red Hat Security Advisory: openstack-neutron security and bug fix update

Notes

Topic
Updated openstack-neutron packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 7. 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. This update also fixes the following bugs: * Prior to this update, the network name and UUID were not sent to N1KV during the subnet creation process. Consequently, N1KV was unable to properly associate the network and subnet in its local configuration. This update addresses this issue by sending the required network name and UUID during subnet creation, with the result that they are now properly associated on the N1KV. (BZ#1118508) * Previously, a rollback did not result in all entries being cleared from the N1KV-specific database tables, resulting in the presence of stale entries. This update addresses the issue by performing a proper cleanup of all N1KV tables. Consequently, stale entries are no longer left in the N1KV tables. (BZ#1124991) * Previously, the N1KV OpenStack Networking (neutron) plug-in did not sent the subtype for overlay networks during the network segment pool creation process. This update addresses this issue by sending the required details during the creation process. (BZ#1130336) 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.


To clipboard 

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        "text": "Updated openstack-neutron packages that fix one security issue and several\nbugs are now available for Red Hat Enterprise Linux OpenStack Platform 5.0\nfor Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having Moderate security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
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        "text": "OpenStack Networking (neutron) is a pluggable, scalable, and API-driven\nsystem that provisions networking services to virtual machines. Its main\nfunction is to manage connectivity to and from virtual machines. As of Red\nHat Enterprise Linux OpenStack Platform 4.0, \u0027neutron\u0027 replaces \u0027quantum\u0027\nas the core component of OpenStack Networking.\n\nA denial of service flaw was found in the way neutron handled the\n\u0027dns_nameservers\u0027 parameter. By providing specially crafted\n\u0027dns_nameservers\u0027 values, an authenticated user could use this flaw to\ncrash the neutron service. (CVE-2014-7821)\n\nRed Hat would like to thank the OpenStack project for reporting this issue.\nUpstream acknowledges Henry Yamauchi, Charles Neill, and Michael Xin\n(Rackspace) as the original reporters.\n\nThis update also fixes the following bugs:\n\n* Prior to this update, the network name and UUID were not sent to N1KV\nduring the subnet creation process. Consequently, N1KV was unable to\nproperly associate the network and subnet in its local configuration.\nThis update addresses this issue by sending the required network name and\nUUID during subnet creation, with the result that they are now properly\nassociated on the N1KV. (BZ#1118508)\n\n* Previously, a rollback did not result in all entries being cleared from\nthe N1KV-specific database tables, resulting in the presence of stale\nentries. This update addresses the issue by performing a proper cleanup of\nall N1KV tables. Consequently, stale entries are no longer left in the N1KV\ntables. (BZ#1124991)\n\n* Previously, the N1KV OpenStack Networking (neutron) plug-in did not sent\nthe subtype for overlay networks during the network segment pool creation\nprocess. This update addresses this issue by sending the required details\nduring the creation process. (BZ#1130336)\n\nAll openstack-neutron users are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues.",
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        {
          "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"
        },
        {
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          "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"
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            "7Server-RH7-RHOS-5.0:openstack-neutron-oneconvergence-nvsd-0:2014.1.3-11.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-neutron-openvswitch-0:2014.1.3-11.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-neutron-plumgrid-0:2014.1.3-11.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-neutron-ryu-0:2014.1.3-11.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-neutron-vmware-0:2014.1.3-11.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-neutron-vpn-agent-0:2014.1.3-11.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:python-neutron-0:2014.1.3-11.el7ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openstack-neutron: DoS via maliciously crafted dns_nameservers"
    }
  ]
}


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