FKIE_CVE-2016-7154

Vulnerability from fkie_nvd - Published: 2016-09-21 14:25 - Updated: 2025-04-12 10:46
Severity ?
6.7 (Medium) - CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.
References
cve@mitre.orghttp://support.citrix.com/article/CTX216071Third Party Advisory
cve@mitre.orghttp://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
cve@mitre.orghttp://www.debian.org/security/2016/dsa-3663
cve@mitre.orghttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
cve@mitre.orghttp://www.securityfocus.com/bid/92863Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1036754Third Party Advisory, VDB Entry
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-188.htmlPatch, Vendor Advisory
cve@mitre.orghttp://xenbits.xen.org/xsa/xsa188.patchPatch
af854a3a-2127-422b-91ae-364da2661108http://support.citrix.com/article/CTX216071Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3663
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/92863Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1036754Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-188.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/xsa188.patchPatch
Impacted products
Vendor Product Version
xen xen 4.4.0
xen xen 4.4.1
xen xen 4.4.2
xen xen 4.4.3
xen xen 4.4.4
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "1044792C-D544-457C-9391-4F3B5BAB978D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "FBD9AD01-50B7-4951-8A73-A6CF4801A487",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "89AA8FD5-E997-4F0D-AFB6-FFBE0073BA5D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "75615D84-9CA1-456C-816D-768E37B074A4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "7AB87384-A1F8-4136-A242-441C655D9364",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n de memoria en el c\u00f3digo de canal de evento FIFO en Xen 4.4.x permite a administradores locales del SO invitado provocar una denegaci\u00f3n de servicio (ca\u00edda de host) y posiblemente ejecutar c\u00f3digo arbitrario u obtener informaci\u00f3n sensible a trav\u00e9s de un n\u00famero de marco invitado no v\u00e1lido."
    }
  ],
  "id": "CVE-2016-7154",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-09-21T14:25:27.160",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://support.citrix.com/article/CTX216071"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2016/dsa-3663"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/92863"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1036754"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-188.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://xenbits.xen.org/xsa/xsa188.patch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://support.citrix.com/article/CTX216071"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2016/dsa-3663"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/92863"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1036754"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-188.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://xenbits.xen.org/xsa/xsa188.patch"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.