{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "Updated openstack-neutron packages that fix one security issue are now\navailable for Red Hat Enterprise Linux OpenStack Platform 4.0\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.", "title": "Topic" }, { "category": "general", "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, 'neutron' replaces 'quantum'\nas the core component of OpenStack Networking.\n\nA denial of service flaw was found in the way neutron handled the\n'dns_nameservers' parameter. By providing specially crafted\n'dns_nameservers' 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\nAll openstack-neutron users are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues.", "title": "Details" }, { "category": "legal_disclaimer", "text": "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.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2015:0044", "url": "https://access.redhat.com/errata/RHSA-2015:0044" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "1163457", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1163457" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_0044.json" } ], "title": "Red Hat Security Advisory: openstack-neutron security update", "tracking": { "current_release_date": "2025-11-21T17:51:19+00:00", "generator": { "date": "2025-11-21T17:51:19+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.6.12" } }, "id": "RHSA-2015:0044", "initial_release_date": "2015-01-13T17:57:13+00:00", "revision_history": [ { "date": "2015-01-13T17:57:13+00:00", "number": "1", "summary": "Initial version" }, { "date": "2015-01-13T17:57:13+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2025-11-21T17:51:19+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux OpenStack Platform 4.0", "product": { "name": "Red Hat Enterprise Linux OpenStack Platform 4.0", 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"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 'dns_nameservers' parameter. By providing specially crafted 'dns_nameservers' 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's 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" } ] }