csaf_redhat - RHSA-2020:3706

RHSA-2020:3706

Vulnerability from csaf_redhat

Published

2020-09-10 06:48

Modified

2024-11-15 06:15

Summary

Red Hat Security Advisory: openstack-nova security update

Notes

Topic

An update for openstack-nova is now available for Red Hat OpenStack Platform 15 (Stein). Red Hat Product Security has rated this update as having a security impact of Important. 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): * Soft reboot after live-migration reverts instance to original source domain XML (CVE-2020-17376) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.

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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        "relates_to_product_reference": "8Base-RHOS-15.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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          "product_id": "8Base-RHOS-15.0:openstack-nova-serialproxy-1:19.1.0-0.20200207070459.bf9d9e5.el8ost.noarch"
        },
        "product_reference": "openstack-nova-serialproxy-1:19.1.0-0.20200207070459.bf9d9e5.el8ost.noarch",
        "relates_to_product_reference": "8Base-RHOS-15.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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        "relates_to_product_reference": "8Base-RHOS-15.0"
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    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Lee Yarwood"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        },
        {
          "names": [
            "Tadayoshi Hosoya"
          ],
          "organization": "NEC"
        }
      ],
      "cve": "CVE-2020-17376",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2020-08-05T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1869426"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An information disclosure flaw was found in the live migration feature of OpenStack Nova. A user may gain access to destination host devices with the same path as those on the source host. This flaw allows an attacker to perform a soft reboot of an instance that has previously undergone live migration. The greatest impact of this vulnerability is to the confidentiality of many possible device types, but those at special risk are block storage devices, potentially revealing data of other users.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openstack-nova: Soft reboot after live-migration reverts instance to original source domain XML",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat OpenStack Platform 10 was initially marked as affected, however it has since been discovered that the flaw is actually not present in this version. For this reason, the update in RHSA-2020:3711 can be either applied or ignored for RHOSP 10.",
          "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": [
          "8Base-RHOS-15.0:openstack-nova-1:19.1.0-0.20200207070459.bf9d9e5.el8ost.noarch",
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          "8Base-RHOS-15.0:openstack-nova-conductor-1:19.1.0-0.20200207070459.bf9d9e5.el8ost.noarch",
          "8Base-RHOS-15.0:openstack-nova-console-1:19.1.0-0.20200207070459.bf9d9e5.el8ost.noarch",
          "8Base-RHOS-15.0:openstack-nova-migration-1:19.1.0-0.20200207070459.bf9d9e5.el8ost.noarch",
          "8Base-RHOS-15.0:openstack-nova-novncproxy-1:19.1.0-0.20200207070459.bf9d9e5.el8ost.noarch",
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-17376"
        },
        {
          "category": "external",
          "summary": "RHBZ#1869426",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1869426"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-17376",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-17376"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-17376",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-17376"
        },
        {
          "category": "external",
          "summary": "https://bugs.launchpad.net/nova/+bug/1890501",
          "url": "https://bugs.launchpad.net/nova/+bug/1890501"
        }
      ],
      "release_date": "2020-08-25T15:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-09-10T06:48:46+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",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:3706"
        },
        {
          "category": "workaround",
          "details": "Public clouds using non-default configurations (allowing untrusted users to initiate live migrations) face significant additional risk. If it is not possible to immediately apply patches, a temporary policy change is recommended: disable soft reboots by setting wait_soft_reboot_seconds to zero. This effectively forces any soft reboots to instead be overridden as a hard reboot. Find more information in Nova\u0027s documentation https://docs.openstack.org/nova/ussuri/configuration/config.html\n\nDeployments which use unique device paths for each cinder volume face an extremely low risk of being affected by this flaw.",
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        {
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            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "openstack-nova: Soft reboot after live-migration reverts instance to original source domain XML"
    }
  ]
}

cve-2020-17376

Vulnerability from cvelistv5

Published

2020-08-26 18:45

Modified

2024-08-04 13:53

Severity ?

Summary

An issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova before 19.3.1, 20.x before 20.3.1, and 21.0.0. By performing a soft reboot of an instance that has previously undergone live migration, a user may gain access to destination host devices that share the same paths as host devices previously referenced by the virtual machine on the source host. This can include block devices that map to different Cinder volumes at the destination than at the source. Only deployments allowing host-based connections (for instance, root and ephemeral devices) are affected.

References

▼	URL	Tags
	https://launchpad.net/bugs/1890501	x_refsource_MISC
	https://security.openstack.org/ossa/OSSA-2020-006.html	x_refsource_CONFIRM
	http://www.openwall.com/lists/oss-security/2020/08/25/4	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted