rhsa-2014:0940
Vulnerability from csaf_redhat
Published
2014-07-24 17:21
Modified
2024-11-22 08:16
Summary
Red Hat Security Advisory: openstack-nova security and bug fix update

Notes

Topic
Updated openstack-nova packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for Red Hat Enterprise Linux 7. The Red Hat Security Response Team 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 Compute (Nova) launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform. A side-channel timing attack flaw was found in Nova. An attacker could possibly use this flaw to guess valid instance ID signatures, giving them access to details of another instance, by analyzing the response times of requests for instance metadata. This issue only affected configurations that proxy metadata requests via Neutron. (CVE-2014-3517) Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges Alex Gaynor from Rackspace as the original reporter. This update also fixes the following bugs: * The GlusterFS driver changes the file name used to point to a volume when a snapshot is changed, but in the past the new file name was not stored in Compute's block device information. As a result, if the VM was shut down and started again, the old file name in the snapshot chain was used, resulting in corruption of the qcow2 chain and unexpected results in the instance. This has been fixed by persisting the new file name in Compute's block device info when a snapshot is created. Now, GlusterFS volumes work as expected after creating or deleting a snapshot and then rebooting the instance. (BZ#1085852) * Previously, in some cases, it may not have been possible to attach a read-only volume to an instance. (BZ#1100358) * The sysfsutils package enables the Compute service to attach Block Storage volumes. This package is automatically installed by PackStack. However, sysfsutils was not a dependency of the Compute service; as such, when not using PackStack, it was possible to deploy OpenStack without sysfsutils installed. When this occurred, the Compute service was unable to attach Block Storage volumes. With this release, the sysfsutils package is now a dependency of the Compute service. This ensures that sysfsutils is installed, regardless of what deployment method is used. (BZ#1114637) * An issue with Fibre Channel Cinder volumes not being removed after the image has been destroyed has been fixed. (BZ#1115375) * This update fixes legacy group support, allowing you to provide a group by name in the scheduler hint instead of using the new server groups API. (BZ#1116866) * The openstack-nova package has been updated to upstream version 2014.1.1, which fixes a number of bugs. (BZ#1117895) All openstack-nova users are advised to upgrade to these updated packages, which 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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        "text": "Updated openstack-nova packages that fix one security issue and several\nbugs are now available for Red Hat Enterprise Linux OpenStack Platform 5.0\n(Icehouse) for Red Hat Enterprise Linux 7.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available from the CVE link in\nthe References section.",
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        "text": "OpenStack Compute (Nova) launches and schedules large networks of virtual\nmachines, creating a redundant and scalable cloud computing platform.\n\nA side-channel timing attack flaw was found in Nova. An attacker could\npossibly use this flaw to guess valid instance ID signatures, giving them\naccess to details of another instance, by analyzing the response times of\nrequests for instance metadata. This issue only affected configurations\nthat proxy metadata requests via Neutron. (CVE-2014-3517)\n\nRed Hat would like to thank the OpenStack project for reporting this issue.\nUpstream acknowledges Alex Gaynor from Rackspace as the original reporter.\n\nThis update also fixes the following bugs:\n\n* The GlusterFS driver changes the file name used to point to a volume when\na snapshot is changed, but in the past the new file name was not stored in\nCompute\u0027s block device information.\n\nAs a result, if the VM was shut down and started again, the old file name\nin the snapshot chain was used, resulting in corruption of the qcow2 chain\nand unexpected results in the instance.\n\nThis has been fixed by persisting the new file name in Compute\u0027s block\ndevice info when a snapshot is created. Now, GlusterFS volumes work as\nexpected after creating or deleting a snapshot and then rebooting the\ninstance. (BZ#1085852)\n\n* Previously, in some cases, it may not have been possible to attach a\nread-only volume to an instance. (BZ#1100358)\n\n* The sysfsutils package enables the Compute service to attach Block\nStorage volumes. This package is automatically installed by PackStack.\nHowever, sysfsutils was not a dependency of the Compute service; as such,\nwhen not using PackStack, it was possible to deploy OpenStack without\nsysfsutils installed. When this occurred, the Compute service was unable to\nattach Block Storage volumes.\n\nWith this release, the sysfsutils package is now a dependency of the\nCompute service. This ensures that sysfsutils is installed, regardless of\nwhat deployment method is used. (BZ#1114637)\n\n* An issue with Fibre Channel Cinder volumes not being removed after the\nimage has been destroyed has been fixed. (BZ#1115375)\n\n* This update fixes legacy group support, allowing you to provide a group\nby name in the scheduler hint instead of using the new server groups API.\n(BZ#1116866)\n\n* The openstack-nova package has been updated to upstream version\n2014.1.1, which fixes a number of bugs. (BZ#1117895)\n\nAll openstack-nova users are advised to upgrade to these updated packages,\nwhich correct these issues.",
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        "relates_to_product_reference": "7Server-RH7-RHOS-5.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openstack-nova-novncproxy-0:2014.1.1-4.el7ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7",
          "product_id": "7Server-RH7-RHOS-5.0:openstack-nova-novncproxy-0:2014.1.1-4.el7ost.noarch"
        },
        "product_reference": "openstack-nova-novncproxy-0:2014.1.1-4.el7ost.noarch",
        "relates_to_product_reference": "7Server-RH7-RHOS-5.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openstack-nova-objectstore-0:2014.1.1-4.el7ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7",
          "product_id": "7Server-RH7-RHOS-5.0:openstack-nova-objectstore-0:2014.1.1-4.el7ost.noarch"
        },
        "product_reference": "openstack-nova-objectstore-0:2014.1.1-4.el7ost.noarch",
        "relates_to_product_reference": "7Server-RH7-RHOS-5.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openstack-nova-scheduler-0:2014.1.1-4.el7ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7",
          "product_id": "7Server-RH7-RHOS-5.0:openstack-nova-scheduler-0:2014.1.1-4.el7ost.noarch"
        },
        "product_reference": "openstack-nova-scheduler-0:2014.1.1-4.el7ost.noarch",
        "relates_to_product_reference": "7Server-RH7-RHOS-5.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python-nova-0:2014.1.1-4.el7ost.noarch as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7",
          "product_id": "7Server-RH7-RHOS-5.0:python-nova-0:2014.1.1-4.el7ost.noarch"
        },
        "product_reference": "python-nova-0:2014.1.1-4.el7ost.noarch",
        "relates_to_product_reference": "7Server-RH7-RHOS-5.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "OpenStack project"
          ]
        },
        {
          "names": [
            "Alex Gaynor"
          ],
          "organization": "Rackspace",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2014-3517",
      "cwe": {
        "id": "CWE-385",
        "name": "Covert Timing Channel"
      },
      "discovery_date": "2014-06-24T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1112499"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A side-channel timing attack flaw was found in Nova. An attacker could possibly use this flaw to guess valid instance ID signatures, giving them access to details of another instance, by analyzing the response times of requests for instance metadata. This issue only affected configurations that proxy metadata requests via Neutron.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openstack-nova: timing attack issue allows access to other instances\u0027 configuration information",
          "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": [
          "7Server-RH7-RHOS-5.0:openstack-nova-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-0:2014.1.1-4.el7ost.src",
          "7Server-RH7-RHOS-5.0:openstack-nova-api-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-cells-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-cert-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-common-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-compute-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-conductor-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-console-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-doc-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-network-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-novncproxy-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-objectstore-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:openstack-nova-scheduler-0:2014.1.1-4.el7ost.noarch",
          "7Server-RH7-RHOS-5.0:python-nova-0:2014.1.1-4.el7ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2014-3517"
        },
        {
          "category": "external",
          "summary": "RHBZ#1112499",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1112499"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2014-3517",
          "url": "https://www.cve.org/CVERecord?id=CVE-2014-3517"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-3517",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-3517"
        }
      ],
      "release_date": "2014-07-17T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2014-07-24T17:21:42+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\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Server-RH7-RHOS-5.0:openstack-nova-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-0:2014.1.1-4.el7ost.src",
            "7Server-RH7-RHOS-5.0:openstack-nova-api-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-cells-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-cert-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-common-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-compute-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-conductor-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-console-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-doc-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-network-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-novncproxy-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-objectstore-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-scheduler-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:python-nova-0:2014.1.1-4.el7ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2014:0940"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "products": [
            "7Server-RH7-RHOS-5.0:openstack-nova-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-0:2014.1.1-4.el7ost.src",
            "7Server-RH7-RHOS-5.0:openstack-nova-api-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-cells-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-cert-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-common-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-compute-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-conductor-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-console-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-doc-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-network-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-novncproxy-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-objectstore-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:openstack-nova-scheduler-0:2014.1.1-4.el7ost.noarch",
            "7Server-RH7-RHOS-5.0:python-nova-0:2014.1.1-4.el7ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openstack-nova: timing attack issue allows access to other instances\u0027 configuration information"
    }
  ]
}


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