RHSA-2013:0127
Vulnerability from csaf_redhat
Published
2013-01-08 04:20
Modified
2024-11-22 04:53
Summary
Red Hat Security Advisory: libvirt security and bug fix update

Notes

Topic
Updated libvirt packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having low 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 libvirt library is a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems. Bus and device IDs were ignored when attempting to attach multiple USB devices with identical vendor or product IDs to a guest. This could result in the wrong device being attached to a guest, giving that guest root access to the device. (CVE-2012-2693) This update also fixes the following bugs: * Previously, the libvirtd library failed to set the autostart flags for already defined QEMU domains. This bug has been fixed, and the domains can now be successfully marked as autostarted. (BZ#675319) * Prior to this update, the virFileAbsPath() function was not taking into account the slash ("/") directory separator when allocating memory for combining the cwd() function and a path. This behavior could lead to a memory corruption. With this update, a transformation to the virAsprintff() function has been introduced into virFileAbsPath(). As a result, the aforementioned behavior no longer occurs. (BZ#680289) * With this update, a man page of the virsh user interface has been enhanced with information on the "domxml-from-native" and "domxml-to-native" commands. A correct notation of the format argument has been clarified. As a result, confusion is avoided when setting the format argument in the described commands. (BZ#783001) All users of libvirt are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, libvirtd 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 libvirt packages that fix one security issue and several bugs are\nnow available for Red Hat Enterprise Linux 5.\n\nThe Red Hat Security Response Team has rated this update as having low\nsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available from the CVE link in\nthe References section.",
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        },
        "product_reference": "libvirt-debuginfo-0:0.8.2-29.el5.ia64",
        "relates_to_product_reference": "5Server-VT"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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        "product_reference": "libvirt-debuginfo-0:0.8.2-29.el5.x86_64",
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        "full_product_name": {
          "name": "libvirt-devel-0:0.8.2-29.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)",
          "product_id": "5Server-VT:libvirt-devel-0:0.8.2-29.el5.i386"
        },
        "product_reference": "libvirt-devel-0:0.8.2-29.el5.i386",
        "relates_to_product_reference": "5Server-VT"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libvirt-devel-0:0.8.2-29.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)",
          "product_id": "5Server-VT:libvirt-devel-0:0.8.2-29.el5.ia64"
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        "product_reference": "libvirt-devel-0:0.8.2-29.el5.ia64",
        "relates_to_product_reference": "5Server-VT"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libvirt-devel-0:0.8.2-29.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)",
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        },
        "product_reference": "libvirt-devel-0:0.8.2-29.el5.x86_64",
        "relates_to_product_reference": "5Server-VT"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libvirt-python-0:0.8.2-29.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)",
          "product_id": "5Server-VT:libvirt-python-0:0.8.2-29.el5.i386"
        },
        "product_reference": "libvirt-python-0:0.8.2-29.el5.i386",
        "relates_to_product_reference": "5Server-VT"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libvirt-python-0:0.8.2-29.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)",
          "product_id": "5Server-VT:libvirt-python-0:0.8.2-29.el5.ia64"
        },
        "product_reference": "libvirt-python-0:0.8.2-29.el5.ia64",
        "relates_to_product_reference": "5Server-VT"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libvirt-python-0:0.8.2-29.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)",
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        },
        "product_reference": "libvirt-python-0:0.8.2-29.el5.x86_64",
        "relates_to_product_reference": "5Server-VT"
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    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2012-2693",
      "discovery_date": "2012-04-26T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "831164"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "libvirt, possibly before 0.9.12, does not properly assign USB devices to virtual machines when multiple devices have the same vendor and product ID, which might cause the wrong device to be associated with a guest and might allow local users to access unintended USB devices.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libvirt: address bus= device= when identicle vendor ID/product IDs usb devices attached are ignored",
          "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": [
          "5Client-VT:libvirt-0:0.8.2-29.el5.i386",
          "5Client-VT:libvirt-0:0.8.2-29.el5.ia64",
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          "5Server-VT:libvirt-python-0:0.8.2-29.el5.ia64",
          "5Server-VT:libvirt-python-0:0.8.2-29.el5.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2012-2693"
        },
        {
          "category": "external",
          "summary": "RHBZ#831164",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=831164"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2012-2693",
          "url": "https://www.cve.org/CVERecord?id=CVE-2012-2693"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2012-2693",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2012-2693"
        }
      ],
      "release_date": "2012-04-28T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-01-08T04:20:00+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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            "5Client-VT:libvirt-0:0.8.2-29.el5.ia64",
            "5Client-VT:libvirt-0:0.8.2-29.el5.src",
            "5Client-VT:libvirt-0:0.8.2-29.el5.x86_64",
            "5Client-VT:libvirt-debuginfo-0:0.8.2-29.el5.i386",
            "5Client-VT:libvirt-debuginfo-0:0.8.2-29.el5.ia64",
            "5Client-VT:libvirt-debuginfo-0:0.8.2-29.el5.x86_64",
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            "5Server-VT:libvirt-python-0:0.8.2-29.el5.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0127"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "HIGH",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 3.7,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "products": [
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            "5Client-VT:libvirt-python-0:0.8.2-29.el5.ia64",
            "5Client-VT:libvirt-python-0:0.8.2-29.el5.x86_64",
            "5Server-VT:libvirt-0:0.8.2-29.el5.i386",
            "5Server-VT:libvirt-0:0.8.2-29.el5.ia64",
            "5Server-VT:libvirt-0:0.8.2-29.el5.src",
            "5Server-VT:libvirt-0:0.8.2-29.el5.x86_64",
            "5Server-VT:libvirt-debuginfo-0:0.8.2-29.el5.i386",
            "5Server-VT:libvirt-debuginfo-0:0.8.2-29.el5.ia64",
            "5Server-VT:libvirt-debuginfo-0:0.8.2-29.el5.x86_64",
            "5Server-VT:libvirt-devel-0:0.8.2-29.el5.i386",
            "5Server-VT:libvirt-devel-0:0.8.2-29.el5.ia64",
            "5Server-VT:libvirt-devel-0:0.8.2-29.el5.x86_64",
            "5Server-VT:libvirt-python-0:0.8.2-29.el5.i386",
            "5Server-VT:libvirt-python-0:0.8.2-29.el5.ia64",
            "5Server-VT:libvirt-python-0:0.8.2-29.el5.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "libvirt: address bus= device= when identicle vendor ID/product IDs usb devices attached are ignored"
    }
  ]
}


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