rhsa-2013_0709
Vulnerability from csaf_redhat
Published
2013-04-04 20:16
Modified
2024-11-22 06:22
Summary
Red Hat Security Advisory: openstack-nova security and bug fix update

Notes

Topic
Updated openstack-nova packages that fix two security issues and various bugs are now available for Red Hat OpenStack Folsom. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
Details
The openstack-nova packages provide OpenStack Compute (code name Nova), which provides services for provisioning, managing, and using virtual machine instances. A flaw was found in the way the Nova VNC proxy handled console tokens. In some cases, a console token that was valid for one virtual machine could be used to connect to the console of a different user's virtual machine. Note that this flaw did not bypass the normal user name and password authentication on the virtual machine. The attacker would need to know valid credentials to log into the virtual machine. (CVE-2013-0335) There was no limit on the number of fixed IP addresses a virtual machine could be assigned with. This could lead to a denial of service if an attacker assigned all available IP addresses to their virtual machine. With this update, a default limit of 10 IP addresses per virtual machine is enforced. The "quota_fixed_ips" option in "/etc/nova/nova.conf" can be used to set a higher or lower limit. (CVE-2013-1838) Red Hat would like to thank the OpenStack project for reporting these issues. Upstream acknowledges Loganathan Parthipan (HP) and Rohit Karajgi (NTT Data) as the original, independent reporters of CVE-2013-0335, and Vish Ishaya (Nebula) as the original reporter of CVE-2013-1838. This update also fixes various bugs in the openstack-nova packages. All users of openstack-nova are advised to upgrade to these updated packages, which correct these issues. After installing the updated packages, the running Nova services will be restarted automatically.
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 two security issues and various\nbugs are now available for Red Hat OpenStack Folsom.\n\nThe Red Hat Security Response Team has rated this update as having moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
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        "text": "The openstack-nova packages provide OpenStack Compute (code name Nova),\nwhich provides services for provisioning, managing, and using virtual\nmachine instances.\n\nA flaw was found in the way the Nova VNC proxy handled console tokens. In\nsome cases, a console token that was valid for one virtual machine could\nbe used to connect to the console of a different user\u0027s virtual machine.\nNote that this flaw did not bypass the normal user name and password\nauthentication on the virtual machine. The attacker would need to know\nvalid credentials to log into the virtual machine. (CVE-2013-0335)\n\nThere was no limit on the number of fixed IP addresses a virtual machine\ncould be assigned with. This could lead to a denial of service if an\nattacker assigned all available IP addresses to their virtual machine. With\nthis update, a default limit of 10 IP addresses per virtual machine is\nenforced. The \"quota_fixed_ips\" option in \"/etc/nova/nova.conf\" can be\nused to set a higher or lower limit. (CVE-2013-1838)\n\nRed Hat would like to thank the OpenStack project for reporting these\nissues. Upstream acknowledges Loganathan Parthipan (HP) and Rohit Karajgi\n(NTT Data) as the original, independent reporters of CVE-2013-0335, and\nVish Ishaya (Nebula) as the original reporter of CVE-2013-1838.\n\nThis update also fixes various bugs in the openstack-nova packages.\n\nAll users of openstack-nova are advised to upgrade to these updated\npackages, which correct these issues. After installing the updated\npackages, the running Nova services will be restarted automatically.",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "OpenStack project"
          ]
        }
      ],
      "cve": "CVE-2013-0335",
      "discovery_date": "2013-02-25T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "915586"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circumstances by using the VNC token for a deleted VM that was bound to the same VNC port.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "nova: VNC proxy can connect to the wrong VM",
          "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"
        }
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          "6Server-Folsom:openstack-nova-common-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-compute-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-console-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-doc-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-network-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-objectstore-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-scheduler-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-volume-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:python-nova-0:2012.2.3-7.el6ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2013-0335"
        },
        {
          "category": "external",
          "summary": "RHBZ#915586",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=915586"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-0335",
          "url": "https://www.cve.org/CVERecord?id=CVE-2013-0335"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-0335",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-0335"
        }
      ],
      "release_date": "2013-02-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-04-04T20:16:00+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/knowledge/articles/11258",
          "product_ids": [
            "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.src",
            "6Server-Folsom:openstack-nova-api-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-cert-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-common-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-compute-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-console-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-doc-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-network-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-objectstore-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-scheduler-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-volume-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:python-nova-0:2012.2.3-7.el6ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0709"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.src",
            "6Server-Folsom:openstack-nova-api-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-cert-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-common-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-compute-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-console-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-doc-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-network-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-objectstore-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-scheduler-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-volume-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:python-nova-0:2012.2.3-7.el6ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "nova: VNC proxy can connect to the wrong VM"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "OpenStack project"
          ]
        },
        {
          "names": [
            "Vish Ishaya"
          ],
          "organization": "Nebula",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2013-1838",
      "discovery_date": "2013-03-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "919648"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) does not properly implement a quota for fixed IPs, which allows remote authenticated users to cause a denial of service (resource exhaustion and failure to spawn new instances) via a large number of calls to the addFixedIp function.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Nova: DoS by allocating all Fixed IPs",
          "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": [
          "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.src",
          "6Server-Folsom:openstack-nova-api-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-cert-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-common-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-compute-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-console-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-doc-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-network-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-objectstore-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-scheduler-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:openstack-nova-volume-0:2012.2.3-7.el6ost.noarch",
          "6Server-Folsom:python-nova-0:2012.2.3-7.el6ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2013-1838"
        },
        {
          "category": "external",
          "summary": "RHBZ#919648",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=919648"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-1838",
          "url": "https://www.cve.org/CVERecord?id=CVE-2013-1838"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-1838",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1838"
        }
      ],
      "release_date": "2013-03-14T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-04-04T20:16:00+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/knowledge/articles/11258",
          "product_ids": [
            "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.src",
            "6Server-Folsom:openstack-nova-api-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-cert-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-common-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-compute-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-console-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-doc-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-network-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-objectstore-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-scheduler-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-volume-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:python-nova-0:2012.2.3-7.el6ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0709"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-0:2012.2.3-7.el6ost.src",
            "6Server-Folsom:openstack-nova-api-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-cert-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-common-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-compute-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-console-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-doc-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-network-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-objectstore-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-scheduler-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:openstack-nova-volume-0:2012.2.3-7.el6ost.noarch",
            "6Server-Folsom:python-nova-0:2012.2.3-7.el6ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "Nova: DoS by allocating all Fixed IPs"
    }
  ]
}


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