fkie_cve-2015-8554
Vulnerability from fkie_nvd
Published
2016-04-14 14:59
Modified
2025-04-12 10:46
Severity ?
7.5 (High) - CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Summary
Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."
References
cve@mitre.orghttp://support.citrix.com/article/CTX203879Vendor Advisory
cve@mitre.orghttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
cve@mitre.orghttp://www.securityfocus.com/bid/79579
cve@mitre.orghttp://www.securitytracker.com/id/1034481
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-164.htmlVendor Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/201604-03
af854a3a-2127-422b-91ae-364da2661108http://support.citrix.com/article/CTX203879Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/79579
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034481
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-164.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201604-03
Impacted products
Vendor Product Version
xen xen *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AF989165-3B7E-4743-8E97-6558BD164A8F",
              "versionEndIncluding": "4.6.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a \"write path.\""
    },
    {
      "lang": "es",
      "value": "Desbordamiento de buffer en hw/pt-msi.c en Xen 4.6.x y versiones anteriores, cuando se utiliza el modelo de dispositivo qemu-xen-traditional (tambi\u00e9n conocido como qemu-dm), permite a administradores locales x86 HVM invitados obtener privilegios aprovechando un sistema con acceso a un dispositivo PCI f\u00edsico con capacidad de paso a trav\u00e9s de MSI-X y a entradas de tabla MSI-X, relacionado con una \"ruta de escritura\"."
    }
  ],
  "id": "CVE-2015-8554",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "SINGLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.6,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:S/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 2.7,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-04-14T14:59:05.223",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.citrix.com/article/CTX203879"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/79579"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1034481"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-164.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.gentoo.org/glsa/201604-03"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.citrix.com/article/CTX203879"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/79579"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034481"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-164.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201604-03"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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