CVE-2013-6456 (GCVE-0-2013-6456)

Vulnerability from cvelistv5 – Published: 2014-04-15 18:00 – Updated: 2024-08-06 17:39
VLAI
Summary
The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to "paths under /proc/$PID/root" and the virInitctlSetRunLevel function.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1082 records in the last 180 days details
References
URL Tags
http://libvirt.org/news.html x_refsource_CONFIRM
http://secunia.com/advisories/56187 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/60895 third-party-advisoryx_refsource_SECUNIA
http://security.gentoo.org/glsa/glsa-201412-04.xml vendor-advisoryx_refsource_GENTOO
http://libvirt.org/git/?p=libvirt.git%3Ba=commit%… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2014-0… vendor-advisoryx_refsource_SUSE
http://security.libvirt.org/2013/0018.html x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1045643 x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.securityfocus.com/bid/65743 vdb-entryx_refsource_BID
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug… x_refsource_MISC
http://secunia.com/advisories/56215 third-party-advisoryx_refsource_SECUNIA
Date Public
2014-02-19 00:00
Show details on NVD website

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                  {
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                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to \"paths under /proc/$PID/root\" and the virInitctlSetRunLevel function."
          },
          {
            "lang": "es",
            "value": "El controlador LXC (lxc/lxc_driver.c) en libvirt 1.0.1 hasta 1.2.1 permite a usuarios locales  (1) borrar dispositivos arbitrarios a trav\u00e9s de API virDomainDeviceDettach y un ataque symlink en /dev en el contenedor; (2)  crear nodos arbitrarios (mknod) a trav\u00e9s de la API virDomainDeviceAttach y un ataque symlink en /dev en el contenedor; y  causar una denegaci\u00f3n de servicio (apagado o reinicio del sistema operativo del host) a trav\u00e9s de (3) virDomainShutdown o (4) virDomainReboot API y a un ataque symlink en /dev/initctl en el contenedor, relacionado con \"rutas contenidas en /proc/$PID/root\" y la funci\u00f3n virInitctlSetRunLevel.\n"
          }
        ],
        "id": "CVE-2013-6456",
        "lastModified": "2026-05-06T22:30:45.220",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "ADJACENT_NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 5.8,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:A/AC:M/Au:S/C:N/I:P/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 4.4,
              "impactScore": 7.8,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2014-04-15T23:55:08.547",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=5fc590ad9f4"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://libvirt.org/news.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129199.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-updates/2014-05/msg00004.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/56187"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/56215"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/60895"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://security.gentoo.org/glsa/glsa-201412-04.xml"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://security.libvirt.org/2013/0018.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/65743"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=732394"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045643"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=5fc590ad9f4"
          },
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://secunia.com/advisories/56215"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/60895"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://security.gentoo.org/glsa/glsa-201412-04.xml"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://security.libvirt.org/2013/0018.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/65743"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=732394"
          },
          {
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045643"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-59"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-27T11:35:31+00:00",
      "cve": "CVE-2013-6456",
      "id": "CVE-2013-6456",
      "initial_release_date": "2013-12-17T00:00:00+00:00",
      "product_status:known_affected": "33",
      "product_status:known_not_affected": "8",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libvirt: unsafe usage of paths under /proc/$PID/root",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-6456.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-05-27T13:24:49Z",
      "cve": "CVE-2013-6456",
      "id": "CVE-2013-6456",
      "initial_release_date": "2023-02-15T05:34:05Z",
      "product_status:known_not_affected": "211",
      "product_status:recommended": "514",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2013-6456",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2013-6456.json",
      "version": "18"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.