rhsa-2018:0314
Vulnerability from csaf_redhat
Published
2018-02-13 19:17
Modified
2025-08-03 17:04
Summary
Red Hat Security Advisory: openstack-nova security and bug fix update

Notes

Topic
An update for openstack-nova is now available for Red Hat OpenStack Platform 11.0 (Ocata). Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
OpenStack Compute (nova) launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform. Compute provides the software, control panels, and APIs required to orchestrate a cloud, including running virtual machine instances and controlling access through users and projects. Security Fix(es): * By rebuilding an instance using a new image, an authenticated user may be able to circumvent the Filter Scheduler, bypassing imposed filters (for example, the ImagePropertiesFilter or the IsolatedHostsFilter). (CVE-2017-16239) Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges George Shuklin (Servers.com) as the original reporter. Bug Fix(es): * A recent update caused OpenStack Compute to ignore the disk cache mode configuration. This caused I/O performance degradation in instances. This fix corrects how OpenStack Compute configures disk caching. Instances no longer suffer performance degradation. (BZ#1508647)
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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        "category": "default_component_of",
        "full_product_name": {
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        "relates_to_product_reference": "7Server-RH7-RHOS-11.0"
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        "category": "default_component_of",
        "full_product_name": {
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        "product_reference": "openstack-nova-scheduler-1:15.0.8-5.el7ost.noarch",
        "relates_to_product_reference": "7Server-RH7-RHOS-11.0"
      },
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        "category": "default_component_of",
        "full_product_name": {
          "name": "openstack-nova-serialproxy-1:15.0.8-5.el7ost.noarch as a component of Red Hat OpenStack Platform 11.0",
          "product_id": "7Server-RH7-RHOS-11.0:openstack-nova-serialproxy-1:15.0.8-5.el7ost.noarch"
        },
        "product_reference": "openstack-nova-serialproxy-1:15.0.8-5.el7ost.noarch",
        "relates_to_product_reference": "7Server-RH7-RHOS-11.0"
      },
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        "category": "default_component_of",
        "full_product_name": {
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        "product_reference": "openstack-nova-spicehtml5proxy-1:15.0.8-5.el7ost.noarch",
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        "category": "default_component_of",
        "full_product_name": {
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        },
        "product_reference": "python-nova-1:15.0.8-5.el7ost.noarch",
        "relates_to_product_reference": "7Server-RH7-RHOS-11.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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          "product_id": "7Server-RH7-RHOS-11.0:python-nova-tests-1:15.0.8-5.el7ost.noarch"
        },
        "product_reference": "python-nova-tests-1:15.0.8-5.el7ost.noarch",
        "relates_to_product_reference": "7Server-RH7-RHOS-11.0"
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    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "the OpenStack project"
          ]
        },
        {
          "names": [
            "George Shuklin"
          ],
          "organization": "Servers.com",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2017-16239",
      "cwe": {
        "id": "CWE-841",
        "name": "Improper Enforcement of Behavioral Workflow"
      },
      "discovery_date": "2017-10-31T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1508539"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "By rebuilding an instance using a new image, an authenticated user may be able to circumvent the Filter Scheduler, bypassing imposed filters (for example, the ImagePropertiesFilter or the IsolatedHostsFilter).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openstack-nova: Nova Filter Scheduler bypass through rebuild action",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The upstream fix requires RequestSpec, which was introduced in OSP10. Patching versions, prior to version 10, comes with a considerable risk of introducing new bugs. Based on the impact of this vulnerability it was determined that OSP6 to 9 would not be fixed.",
          "title": "Statement"
        },
        {
          "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-11.0:openstack-nova-1:15.0.8-5.el7ost.noarch",
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          "7Server-RH7-RHOS-11.0:openstack-nova-api-1:15.0.8-5.el7ost.noarch",
          "7Server-RH7-RHOS-11.0:openstack-nova-cells-1:15.0.8-5.el7ost.noarch",
          "7Server-RH7-RHOS-11.0:openstack-nova-cert-1:15.0.8-5.el7ost.noarch",
          "7Server-RH7-RHOS-11.0:openstack-nova-common-1:15.0.8-5.el7ost.noarch",
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          "7Server-RH7-RHOS-11.0:openstack-nova-conductor-1:15.0.8-5.el7ost.noarch",
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          "7Server-RH7-RHOS-11.0:openstack-nova-migration-1:15.0.8-5.el7ost.noarch",
          "7Server-RH7-RHOS-11.0:openstack-nova-network-1:15.0.8-5.el7ost.noarch",
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          "7Server-RH7-RHOS-11.0:openstack-nova-scheduler-1:15.0.8-5.el7ost.noarch",
          "7Server-RH7-RHOS-11.0:openstack-nova-serialproxy-1:15.0.8-5.el7ost.noarch",
          "7Server-RH7-RHOS-11.0:openstack-nova-spicehtml5proxy-1:15.0.8-5.el7ost.noarch",
          "7Server-RH7-RHOS-11.0:python-nova-1:15.0.8-5.el7ost.noarch",
          "7Server-RH7-RHOS-11.0:python-nova-tests-1:15.0.8-5.el7ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-16239"
        },
        {
          "category": "external",
          "summary": "RHBZ#1508539",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1508539"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-16239",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-16239"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-16239",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-16239"
        }
      ],
      "release_date": "2017-11-14T15:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2018-02-13T19:17:04+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "7Server-RH7-RHOS-11.0:openstack-nova-api-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-cells-1:15.0.8-5.el7ost.noarch",
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            "7Server-RH7-RHOS-11.0:openstack-nova-scheduler-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-serialproxy-1:15.0.8-5.el7ost.noarch",
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            "7Server-RH7-RHOS-11.0:python-nova-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:python-nova-tests-1:15.0.8-5.el7ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2018:0314"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.0"
          },
          "products": [
            "7Server-RH7-RHOS-11.0:openstack-nova-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-1:15.0.8-5.el7ost.src",
            "7Server-RH7-RHOS-11.0:openstack-nova-api-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-cells-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-cert-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-common-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-compute-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-conductor-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-console-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-migration-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-network-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-novncproxy-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-placement-api-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-scheduler-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-serialproxy-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:openstack-nova-spicehtml5proxy-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:python-nova-1:15.0.8-5.el7ost.noarch",
            "7Server-RH7-RHOS-11.0:python-nova-tests-1:15.0.8-5.el7ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openstack-nova: Nova Filter Scheduler bypass through rebuild action"
    }
  ]
}


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