rhsa-2013_0596
Vulnerability from csaf_redhat
Published
2013-03-05 20:56
Modified
2024-11-22 06:15
Summary
Red Hat Security Advisory: openstack-keystone security, bug fix, and enhancement update

Notes

Topic
Updated openstack-keystone packages that fix multiple security issues, various 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 2012.2.3, which provides a number of bug fixes and enhancements over the previous version. (BZ#908995) This update also fixes the following security issues: It was found that Keystone failed to properly validate disabled user accounts, or user accounts associated with disabled tenants or domains, 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. Such users could use this flaw to access resources they should no longer have access to. (CVE-2013-0282) A denial of service flaw was found in the Extensible Markup Language (XML) parser used by Keystone. If a malicious XML file were uploaded for processing, it could possibly cause Keystone to consume an excessive amount of CPU and memory. (CVE-2013-1664) A flaw was found in the XML parser used by Keystone. If a malicious XML file were uploaded for processing, it could cause Keystone to connect to external entities, causing a large amount of system load, or allow an attacker to read files on the Keystone server that are accessible to the user running the Keystone service. (CVE-2013-1665) Red Hat would like to thank the OpenStack project for reporting these issues. Upstream acknowledges Nathanael Burton (National Security Agency) as the original reporter of CVE-2013-0282. 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": "Moderate"
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        "text": "Updated openstack-keystone packages that fix multiple security issues,\nvarious bugs, and add enhancements are now available for Red Hat OpenStack\nFolsom.\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.",
        "title": "Topic"
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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\n2012.2.3, which provides a number of bug fixes and enhancements over the\nprevious version. (BZ#908995)\n\nThis update also fixes the following security issues:\n\nIt was found that Keystone failed to properly validate disabled user\naccounts, or user accounts associated with disabled tenants or domains,\nwhen Amazon Elastic Compute Cloud (Amazon EC2) style credentials\n(credentials that are issued in the same format as standard Amazon EC2\ncredentials) were in use. Such users could use this flaw to access\nresources they should no longer have access to. (CVE-2013-0282)\n\nA denial of service flaw was found in the Extensible Markup Language (XML)\nparser used by Keystone. If a malicious XML file were uploaded for\nprocessing, it could possibly cause Keystone to consume an excessive amount\nof CPU and memory. (CVE-2013-1664)\n\nA flaw was found in the XML parser used by Keystone. If a malicious XML\nfile were uploaded for processing, it could cause Keystone to connect to\nexternal entities, causing a large amount of system load, or allow an\nattacker to read files on the Keystone server that are accessible to the\nuser running the Keystone service. (CVE-2013-1665)\n\nRed Hat would like to thank the OpenStack project for reporting these\nissues. Upstream acknowledges Nathanael Burton (National Security Agency)\nas the original reporter of CVE-2013-0282.\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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        "text": "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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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0596.json"
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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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          "names": [
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          ]
        },
        {
          "names": [
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          ],
          "organization": "National Security Agency",
          "summary": "Acknowledged by upstream."
        }
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      "ids": [
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          "text": "910928"
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          "category": "description",
          "text": "OpenStack Keystone Grizzly before 2013.1, Folsom 2012.1.3 and earlier, and Essex does not properly check if the (1) user, (2) tenant, or (3) domain is enabled when using EC2-style authentication, which allows context-dependent attackers to bypass access restrictions.",
          "title": "Vulnerability description"
        },
        {
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          "text": "Keystone: EC2-style authentication accepts disabled user/tenants",
          "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://bugzilla.redhat.com/show_bug.cgi?id=910928"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-0282",
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-0282",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-0282"
        },
        {
          "category": "external",
          "summary": "http://lists.openstack.org/pipermail/openstack-announce/2013-February/000079.html",
          "url": "http://lists.openstack.org/pipermail/openstack-announce/2013-February/000079.html"
        }
      ],
      "release_date": "2013-02-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-03-05T20:56:00+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-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:python-keystone-0:2012.2.3-3.el6ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0596"
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      ],
      "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-0:2012.2.3-3.el6ost.src",
            "6Server-Folsom:openstack-keystone-doc-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:python-keystone-0:2012.2.3-3.el6ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "Keystone: EC2-style authentication accepts disabled user/tenants"
    },
    {
      "cve": "CVE-2013-1664",
      "discovery_date": "2013-02-18T00:00:00+00:00",
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          "system_name": "Red Hat Bugzilla ID",
          "text": "913808"
        }
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        {
          "category": "description",
          "text": "The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "bindings: Internal entity expansion in Python XML libraries inflicts DoS vulnerabilities",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue affects the versions of python as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates.",
          "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": {
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      },
      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2013-1664"
        },
        {
          "category": "external",
          "summary": "RHBZ#913808",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=913808"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-1664",
          "url": "https://www.cve.org/CVERecord?id=CVE-2013-1664"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-1664",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1664"
        }
      ],
      "release_date": "2013-02-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-03-05T20:56:00+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-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:python-keystone-0:2012.2.3-3.el6ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0596"
        }
      ],
      "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-keystone-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:openstack-keystone-0:2012.2.3-3.el6ost.src",
            "6Server-Folsom:openstack-keystone-doc-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:python-keystone-0:2012.2.3-3.el6ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "bindings: Internal entity expansion in Python XML libraries inflicts DoS vulnerabilities"
    },
    {
      "cve": "CVE-2013-1665",
      "discovery_date": "2013-02-18T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "912982"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex and Folsom, Django, and possibly other products allow remote attackers to read arbitrary files via an XML external entity declaration in conjunction with an entity reference, aka an XML External Entity (XXE) attack.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "bindings: External entity expansion in Python XML libraries inflicts potential security flaws and DoS vulnerabilities",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue affects the versions of python as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates.",
          "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": {
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2013-1665"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-1665",
          "url": "https://www.cve.org/CVERecord?id=CVE-2013-1665"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-1665",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1665"
        }
      ],
      "release_date": "2013-02-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-03-05T20:56:00+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-keystone-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:openstack-keystone-0:2012.2.3-3.el6ost.src",
            "6Server-Folsom:openstack-keystone-doc-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:python-keystone-0:2012.2.3-3.el6ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0596"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-Folsom:openstack-keystone-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:openstack-keystone-0:2012.2.3-3.el6ost.src",
            "6Server-Folsom:openstack-keystone-doc-0:2012.2.3-3.el6ost.noarch",
            "6Server-Folsom:python-keystone-0:2012.2.3-3.el6ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "bindings: External entity expansion in Python XML libraries inflicts potential security flaws and DoS vulnerabilities"
    }
  ]
}


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