FKIE_CVE-2013-4368

Vulnerability from fkie_nvd - Published: 2013-10-17 23:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2013-1449.html
secalert@redhat.comhttp://security.gentoo.org/glsa/glsa-201407-03.xml
secalert@redhat.comhttp://www.debian.org/security/2014/dsa-3006
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2013/10/10/10
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/87799
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2013-1449.html
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201407-03.xml
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2014/dsa-3006
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/10/10/10
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/87799
Impacted products
Vendor Product Version
xen xen *
xen xen 3.0.2
xen xen 3.0.3
xen xen 3.0.4
xen xen 3.1.3
xen xen 3.1.4
xen xen 3.2.0
xen xen 3.2.1
xen xen 3.2.2
xen xen 3.2.3
xen xen 3.3.0
xen xen 3.3.1
xen xen 3.3.2
xen xen 3.4.0
xen xen 3.4.1
xen xen 3.4.2
xen xen 3.4.3
xen xen 3.4.4
xen xen 4.0.0
xen xen 4.0.1
xen xen 4.0.2
xen xen 4.0.3
xen xen 4.0.4
xen xen 4.1.0
xen xen 4.1.1
xen xen 4.1.2
xen xen 4.1.3
xen xen 4.1.4
xen xen 4.1.5
xen xen 4.1.6.1
xen xen 4.2.0
xen xen 4.2.1
xen xen 4.2.2
xen xen 4.2.3
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register."
    },
    {
      "lang": "es",
      "value": "La instrucci\u00f3n de emulaci\u00f3n outs en Xen 3.1.x, 4.2.x, 4.3.x, y anteriores versiones, cuando se usa la anulaci\u00f3n del segmento FS: o GS:, utiliza una variable sin inicializar como segmento base, lo que permite a usuarios locales de 64-bit PV obtener informaci\u00f3n sensible (contenido de la pila de hipervisor) a trav\u00e9s de vectores relacionados de datos obsoletos en un registro del segmento."
    }
  ],
  "id": "CVE-2013-4368",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 1.9,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  },
  "published": "2013-10-17T23:55:04.487",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html"
    },
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      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html"
    },
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      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html"
    },
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      "url": "http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html"
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      "url": "http://rhn.redhat.com/errata/RHSA-2013-1449.html"
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      "url": "http://security.gentoo.org/glsa/glsa-201407-03.xml"
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      "url": "http://www.debian.org/security/2014/dsa-3006"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.openwall.com/lists/oss-security/2013/10/10/10"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/87799"
    },
    {
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      "url": "http://www.debian.org/security/2014/dsa-3006"
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      "url": "http://www.openwall.com/lists/oss-security/2013/10/10/10"
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      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/87799"
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.