rhsa-2015_0430
Vulnerability from csaf_redhat
Published
2015-03-05 09:52
Modified
2024-11-22 07:41
Summary
Red Hat Security Advisory: virt-who security, bug fix, and enhancement update

Notes

Topic
An updated virt-who package that fixes one security issue, several bugs, and adds various enhancements is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Details
The virt-who package provides an agent that collects information about virtual guests present in the system and reports them to the subscription manager. It was discovered that the /etc/sysconfig/virt-who configuration file, which may contain hypervisor authentication credentials, was world-readable. A local user could use this flaw to obtain authentication credentials from this file. (CVE-2014-0189) Red Hat would like to thank Sal Castiglione for reporting this issue. The virt-who package has been upgraded to upstream version 0.11, which provides a number of bug fixes and enhancements over the previous version. The most notable bug fixes and enhancements include: * Support for remote libvirt. * A fix for using encrypted passwords. * Bug fixes and enhancements that increase the stability of virt-who. (BZ#1122489) This update also fixes the following bugs: * Prior to this update, the virt-who agent failed to read the list of virtual guests provided by the VDSM daemon. As a consequence, when in VDSM mode, the virt-who agent was not able to send updates about virtual guests to Subscription Asset Manager (SAM) and Red Hat Satellite. With this update, the agent reads the list of guests when in VDSM mode correctly and reports to SAM and Satellite as expected. (BZ#1153405) * Previously, virt-who used incorrect information when connecting to Red Hat Satellite 5. Consequently, virt-who could not connect to Red Hat Satellite 5 servers. The incorrect parameter has been corrected, and virt-who can now successfully connect to Red Hat Satellite 5. (BZ#1158859) * Prior to this update, virt-who did not decode the hexadecimal representation of a password before decrypting it. As a consequence, the decrypted password did not match the original password, and attempts to connect using the password failed. virt-who has been updated to decode the encrypted password and, as a result, virt-who now handles storing credentials using encrypted passwords as expected. (BZ#1161607) In addition, this update adds the following enhancement: * With this update, virt-who is able to read the list of guests from a remote libvirt hypervisor. (BZ#1127965) Users of virt-who are advised to upgrade to this updated package, which corrects these issues and adds these enhancements.
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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{
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      "text": "Moderate"
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    "category": "csaf_security_advisory",
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      {
        "category": "summary",
        "text": "An updated virt-who package that fixes one security issue, several bugs,\nand adds various enhancements is now available for Red Hat Enterprise\nLinux 7.\n\nRed Hat Product Security has rated this update as having Moderate security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The virt-who package provides an agent that collects information about\nvirtual guests present in the system and reports them to the\nsubscription manager.\n\nIt was discovered that the /etc/sysconfig/virt-who configuration file,\nwhich may contain hypervisor authentication credentials, was\nworld-readable. A local user could use this flaw to obtain authentication\ncredentials from this file. (CVE-2014-0189)\n\nRed Hat would like to thank Sal Castiglione for reporting this issue.\n\nThe virt-who package has been upgraded to upstream version 0.11, which\nprovides a number of bug fixes and enhancements over the previous version.\nThe most notable bug fixes and enhancements include:\n\n* Support for remote libvirt.\n* A fix for using encrypted passwords.\n* Bug fixes and enhancements that increase the stability of virt-who.\n(BZ#1122489)\n\nThis update also fixes the following bugs:\n\n* Prior to this update, the virt-who agent failed to read the list of\nvirtual guests provided by the VDSM daemon. As a consequence, when in VDSM\nmode, the virt-who agent was not able to send updates about virtual guests\nto Subscription Asset Manager (SAM) and Red Hat Satellite. With this\nupdate, the agent reads the list of guests when in VDSM mode correctly and\nreports to SAM and Satellite as expected. (BZ#1153405)\n\n* Previously, virt-who used incorrect information when connecting to Red\nHat Satellite 5. Consequently, virt-who could not connect to Red Hat\nSatellite 5 servers. The incorrect parameter has been corrected, and\nvirt-who can now successfully connect to Red Hat Satellite 5. (BZ#1158859)\n\n* Prior to this update, virt-who did not decode the hexadecimal\nrepresentation of a password before decrypting it. As a consequence, the\ndecrypted password did not match the original password, and attempts to\nconnect using the password failed. virt-who has been updated to decode the\nencrypted password and, as a result, virt-who now handles storing\ncredentials using encrypted passwords as expected. (BZ#1161607)\n\nIn addition, this update adds the following enhancement:\n\n* With this update, virt-who is able to read the list of guests from a\nremote libvirt hypervisor. (BZ#1127965)\n\nUsers of virt-who are advised to upgrade to this updated package, which\ncorrects these issues and adds these enhancements.",
        "title": "Details"
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        "category": "legal_disclaimer",
        "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.",
        "title": "Terms of Use"
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_0430.json"
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    ],
    "title": "Red Hat Security Advisory: virt-who security, bug fix, and enhancement update",
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        },
        "product_reference": "virt-who-0:0.11-5.el7.src",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Sal Castiglione"
          ]
        }
      ],
      "cve": "CVE-2014-0189",
      "cwe": {
        "id": "CWE-522",
        "name": "Insufficiently Protected Credentials"
      },
      "discovery_date": "2014-04-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1088732"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "It was discovered that the /etc/sysconfig/virt-who configuration file, which may contain hypervisor authentication credentials, was world-readable. A local user could use this flaw to obtain authentication credentials from this file.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "virt-who: plaintext hypervisor passwords in world-readable /etc/sysconfig/virt-who configuration file",
          "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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          "7Client:virt-who-0:0.11-5.el7.src",
          "7Server:virt-who-0:0.11-5.el7.noarch",
          "7Server:virt-who-0:0.11-5.el7.src",
          "7Workstation:virt-who-0:0.11-5.el7.noarch",
          "7Workstation:virt-who-0:0.11-5.el7.src"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2014-0189"
        },
        {
          "category": "external",
          "summary": "RHBZ#1088732",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1088732"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2014-0189",
          "url": "https://www.cve.org/CVERecord?id=CVE-2014-0189"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0189",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0189"
        }
      ],
      "release_date": "2014-03-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2015-03-05T09:52:45+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "7Client:virt-who-0:0.11-5.el7.src",
            "7Server:virt-who-0:0.11-5.el7.noarch",
            "7Server:virt-who-0:0.11-5.el7.src",
            "7Workstation:virt-who-0:0.11-5.el7.noarch",
            "7Workstation:virt-who-0:0.11-5.el7.src"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2015:0430"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "products": [
            "7Client:virt-who-0:0.11-5.el7.noarch",
            "7Client:virt-who-0:0.11-5.el7.src",
            "7Server:virt-who-0:0.11-5.el7.noarch",
            "7Server:virt-who-0:0.11-5.el7.src",
            "7Workstation:virt-who-0:0.11-5.el7.noarch",
            "7Workstation:virt-who-0:0.11-5.el7.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "virt-who: plaintext hypervisor passwords in world-readable /etc/sysconfig/virt-who configuration file"
    }
  ]
}


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