FKIE_CVE-2014-8595

Vulnerability from fkie_nvd - Published: 2014-11-19 18:59 - Updated: 2025-04-12 10:46
Severity ?
Summary
arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
cve@mitre.orghttp://secunia.com/advisories/62537
cve@mitre.orghttp://secunia.com/advisories/62672
cve@mitre.orghttp://support.citrix.com/article/CTX200288
cve@mitre.orghttp://support.citrix.com/article/CTX201794
cve@mitre.orghttp://www.debian.org/security/2015/dsa-3140Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/71151
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-110.htmlPatch, Vendor Advisory
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/98768
cve@mitre.orghttps://security.gentoo.org/glsa/201504-04
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/62537
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/62672
af854a3a-2127-422b-91ae-364da2661108http://support.citrix.com/article/CTX200288
af854a3a-2127-422b-91ae-364da2661108http://support.citrix.com/article/CTX201794
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2015/dsa-3140Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/71151
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-110.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/98768
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201504-04
Impacted products
Vendor Product Version
debian debian_linux 7.0
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
xen xen 4.3.0
xen xen 4.3.1
xen xen 4.4.0
opensuse opensuse 13.1
opensuse opensuse 13.2
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction."
    },
    {
      "lang": "es",
      "value": "El fichero arch/x86/x86_emulate.c in Xen 3.2.1 hasta 4.4.x no comprueba correctamente los privilegios, lo que permite a los usuarios invitados HVM locales conseguir privilegios o causar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de una instrucci\u00f3n manipulada de rama lejana (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, o (6) LRET."
    }
  ],
  "id": "CVE-2014-8595",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 1.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2014-11-19T18:59:11.707",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html"
    },
    {
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      "url": "http://secunia.com/advisories/62537"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/62672"
    },
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    },
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    },
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      "url": "http://www.securityfocus.com/bid/71151"
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      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98768"
    },
    {
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      "url": "https://security.gentoo.org/glsa/201504-04"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/62537"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/62672"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://support.citrix.com/article/CTX200288"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://support.citrix.com/article/CTX201794"
    },
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      "url": "http://www.securityfocus.com/bid/71151"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Vendor Advisory"
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      "url": "http://xenbits.xen.org/xsa/advisory-110.html"
    },
    {
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      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98768"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201504-04"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-17"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.
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