rhsa-2018:2332
Vulnerability from csaf_redhat
Published
2018-08-20 12:55
Modified
2025-08-03 17:05
Summary
Red Hat Security Advisory: openstack-nova security, bug fix, and enhancement update

Notes

Topic
An update for openstack-nova is now available for Red Hat OpenStack Platform 12.0 (Pike). 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. The following packages have been upgraded to a later upstream version: openstack-nova (16.1.4). (BZ#1591212) Security Fix(es): * openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host (CVE-2017-18191) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. For more information about the bug fixes and enhancements included with this update, see the "Technical Notes" section of the Release Notes linked in the References section.
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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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2017-18191",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2018-02-20T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1546937"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "OpenStack Nova has a vulnerability in the handling of encrypted volumes. By detaching and reattaching an encrypted volume, an attacker may access the underlying raw volume and corrupt the LUKS header, resulting in a denial of service attack on the compute host. All Nova installations supporting encrypted volumes are affected.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host",
          "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": [
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          "7Server-RH7-RHOS-12.0:python-nova-1:16.1.4-6.el7ost.noarch",
          "7Server-RH7-RHOS-12.0:python-nova-tests-1:16.1.4-6.el7ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-18191"
        },
        {
          "category": "external",
          "summary": "RHBZ#1546937",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1546937"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-18191",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-18191"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-18191",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18191"
        }
      ],
      "release_date": "2018-02-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2018-08-20T12:55:52+00:00",
          "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "7Server-RH7-RHOS-12.0:openstack-nova-api-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-cells-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-common-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-compute-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-conductor-1:16.1.4-6.el7ost.noarch",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2018:2332"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
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            "7Server-RH7-RHOS-12.0:openstack-nova-1:16.1.4-6.el7ost.src",
            "7Server-RH7-RHOS-12.0:openstack-nova-api-1:16.1.4-6.el7ost.noarch",
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            "7Server-RH7-RHOS-12.0:openstack-nova-common-1:16.1.4-6.el7ost.noarch",
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            "7Server-RH7-RHOS-12.0:openstack-nova-network-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-novncproxy-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-placement-api-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-scheduler-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-serialproxy-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:openstack-nova-spicehtml5proxy-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:python-nova-1:16.1.4-6.el7ost.noarch",
            "7Server-RH7-RHOS-12.0:python-nova-tests-1:16.1.4-6.el7ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host"
    }
  ]
}


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