rhsa-2012_1557
Vulnerability from csaf_redhat
Published
2012-12-10 20:55
Modified
2024-11-22 05:54
Summary
Red Hat Security Advisory: openstack-keystone security, bug fix, and enhancement update

Notes

Topic
Updated openstack-keystone packages that fix two security issues, multiple bugs, and add enhancements 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-keystone packages provide Keystone, a Python implementation of the OpenStack identity service API, which provides Identity, Token, Catalog, and Policy services. The openstack-keystone packages have been upgraded to upstream version 2012.2.1, which provides a number of bug fixes and enhancements over the previous version. (BZ#883829) This update also fixes the following security issues: A flaw in Keystone allowed an attacker with access to the web and network interfaces to continue using chained tokens linked to tokens that had expired. This would allow the attacker to continue using the tokens despite the parent token being expired, giving them continued access to OpenStack services. (CVE-2012-5563) It was found that Keystone did not correctly handle users being removed from tenants when Amazon Elastic Compute Cloud (Amazon EC2) style credentials (credentials that are issued in the same format as standard Amazon EC2 credentials) were in use. When a user was removed from a tenant, they retained the privileges provided by that tenant, allowing them to access resources they should no longer have access to. (CVE-2012-5571) Red Hat would like to thank the OpenStack project for reporting these issues. Upstream acknowledges Anndy as the original reporter of CVE-2012-5563, and Vijaya Erukala as the original reporter of CVE-2012-5571. All users of openstack-keystone are advised to upgrade to these updated packages, which correct these issues and add these enhancements. After installing the updated packages, the Keystone service (openstack-keystone) 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.


To clipboard 

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        "text": "Updated openstack-keystone packages that fix two security issues, multiple\nbugs, and add enhancements 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-keystone packages provide Keystone, a Python implementation\nof the OpenStack identity service API, which provides Identity, Token,\nCatalog, and Policy services.\n\nThe openstack-keystone packages have been upgraded to upstream version\n2012.2.1, which provides a number of bug fixes and enhancements over the\nprevious version. (BZ#883829)\n\nThis update also fixes the following security issues:\n\nA flaw in Keystone allowed an attacker with access to the web and network  \ninterfaces to continue using chained tokens linked to tokens that had \nexpired. This would allow the attacker to continue using the tokens despite \nthe parent token being expired, giving them continued access to OpenStack \nservices. (CVE-2012-5563)\n\nIt was found that Keystone did not correctly handle users being removed\nfrom tenants when Amazon Elastic Compute Cloud (Amazon EC2) style\ncredentials (credentials that are issued in the same format as standard\nAmazon EC2 credentials) were in use. When a user was removed from a tenant,\nthey retained the privileges provided by that tenant, allowing them to\naccess resources they should no longer have access to. (CVE-2012-5571)\n\nRed Hat would like to thank the OpenStack project for reporting these\nissues. Upstream acknowledges Anndy as the original reporter of\nCVE-2012-5563, and Vijaya Erukala as the original reporter of\nCVE-2012-5571.\n\nAll users of openstack-keystone are advised to upgrade to these updated\npackages, which correct these issues and add these enhancements. After\ninstalling the updated packages, the Keystone service (openstack-keystone)\nwill be restarted automatically.",
        "title": "Details"
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    "title": "Red Hat Security Advisory: openstack-keystone security, bug fix, and enhancement update",
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    {
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        {
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          "summary": "Acknowledged by upstream."
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      "ids": [
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      "notes": [
        {
          "category": "description",
          "text": "OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by creating new tokens through token chaining.  NOTE: this issue exists because of a CVE-2012-3426 regression.",
          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
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        }
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=879402"
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          "date": "2012-12-10T20:55:00+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": [
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            "6Server-Folsom:openstack-keystone-doc-0:2012.2.1-1.el6ost.noarch",
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        }
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      "scores": [
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            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "products": [
            "6Server-Folsom:openstack-keystone-0:2012.2.1-1.el6ost.noarch",
            "6Server-Folsom:openstack-keystone-0:2012.2.1-1.el6ost.src",
            "6Server-Folsom:openstack-keystone-doc-0:2012.2.1-1.el6ost.noarch",
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          ]
        }
      ],
      "threats": [
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          "details": "Moderate"
        }
      ],
      "title": "OpenStack: Keystone extension of token validity through token chaining"
    },
    {
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        {
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          "text": "880399"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "OpenStack Keystone Essex (2012.1) and Folsom (2012.2) does not properly handle EC2 tokens when the user role has been removed from a tenant, which allows remote authenticated users to bypass intended authorization restrictions by leveraging a token for the removed user role.",
          "title": "Vulnerability description"
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          "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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          "url": "https://www.cve.org/CVERecord?id=CVE-2012-5571"
        },
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2012-5571"
        },
        {
          "category": "external",
          "summary": "https://bugs.launchpad.net/keystone/+bug/1064914",
          "url": "https://bugs.launchpad.net/keystone/+bug/1064914"
        }
      ],
      "release_date": "2012-11-28T00:00:00+00:00",
      "remediations": [
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          "date": "2012-12-10T20:55:00+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",
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            "6Server-Folsom:openstack-keystone-doc-0:2012.2.1-1.el6ost.noarch",
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          ],
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            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2012:1557"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "products": [
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            "6Server-Folsom:openstack-keystone-0:2012.2.1-1.el6ost.src",
            "6Server-Folsom:openstack-keystone-doc-0:2012.2.1-1.el6ost.noarch",
            "6Server-Folsom:python-keystone-0:2012.2.1-1.el6ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "OpenStack: Keystone EC2-style credentials invalidation issue"
    }
  ]
}


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