cve-2016-9382
Vulnerability from cvelistv5
Published
2017-01-23 21:00
Modified
2024-08-06 02:50
Severity ?
Summary
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.
Impacted products
Vendor Product Version
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T02:50:36.977Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "94470",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/94470"
          },
          {
            "name": "GLSA-201612-56",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201612-56"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/advisory-192.html"
          },
          {
            "name": "1037341",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1037341"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.citrix.com/article/CTX218775"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-11-22T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-06-30T16:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "94470",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94470"
        },
        {
          "name": "GLSA-201612-56",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201612-56"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/advisory-192.html"
        },
        {
          "name": "1037341",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1037341"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.citrix.com/article/CTX218775"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-9382",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "94470",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/94470"
            },
            {
              "name": "GLSA-201612-56",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201612-56"
            },
            {
              "name": "http://xenbits.xen.org/xsa/advisory-192.html",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/advisory-192.html"
            },
            {
              "name": "1037341",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1037341"
            },
            {
              "name": "https://support.citrix.com/article/CTX218775",
              "refsource": "CONFIRM",
              "url": "https://support.citrix.com/article/CTX218775"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-9382",
    "datePublished": "2017-01-23T21:00:00",
    "dateReserved": "2016-11-17T00:00:00",
    "dateUpdated": "2024-08-06T02:50:36.977Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-9382\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2017-01-23T21:59:02.830\",\"lastModified\":\"2024-11-21T03:01:04.080\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.\"},{\"lang\":\"es\",\"value\":\"Xen 4.0.x hasta la versi\u00f3n 4.7.x administra mal los conmutadores de tareas x86 para el modo VM86, lo que permite a usuarios locales del SO invitado x86 HVM de 32-bit obtener privilegios o provocar una denegaci\u00f3n de servicio (ca\u00edda del SO invitado) aprovechando un sistema operativo invitado que utiliza conmutaci\u00f3n de tareas de hardware y permite iniciar una una nueva tarea en modo VM86.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":4.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"550223A9-B9F1-440A-8C25-9F0F76AF7301\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FC734D58-96E5-4DD2-8781-F8E0ADB96462\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"62CEC1BF-1922-410D-BCBA-C58199F574C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"923F2C2B-4A65-4823-B511-D0FEB7C7FAB2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C1A24DED-B2EC-4D9C-9FA4-DD37EF3E3BFC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D532B60-C8DD-4A2F-9D05-E574D23EB754\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5D83CA8B-8E49-45FA-8FAB-C15052474542\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"27537DF5-7E0F-463F-BA87-46E329EE07AC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EA4F978-9145-4FE6-B4F9-15207E52C40A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"22A995FD-9B7F-4DF0-BECF-4B086E470F1E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"219597E2-E2D7-4647-8A7C-688B96300158\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"65E55950-EACA-4209-B2A1-E09026FC6006\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"47640819-FC43-49ED-8A77-728C3D7255B3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2448537F-87AD-45C1-9FB0-7A49CA31BD76\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E36B2265-70E1-413B-A7CF-79D39E9ADCFB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"37148A72-BE20-45C5-8589-2309ED84D08C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FB736B4C-325A-4B27-8C8A-15E60B8A8C82\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF948E6A-07BE-4C7D-8A98-002E89D35F4D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C0E23B94-1726-4F63-84BB-8D83FAB156D7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C76124AB-4E3D-4BE0-AAEA-7FC05868E2FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F30B5EF5-0AE8-420B-A103-B1B25A372F09\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F784EF07-DBEC-492A-A0F4-F9F7B2551A0B\"},{\"vulnerable\":true,\"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,\"criteria\":\"cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"90CCECD0-C0F9-45A8-8699-64428637EBCA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F0ED340C-6746-471E-9F2D-19D62D224B7A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"99BD7C4F-DE4C-4508-B20D-46A94B616C5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3374F1FB-70F9-4EBC-837B-0D42282E3E5F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.5.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"37DA3D28-EAE7-4EC9-977C-444A46CBD9C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4B6F7CE9-C409-4D88-9A99-B21420633F45\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B814C381-4991-495A-B530-7543F977B346\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"14442705-D243-4250-A486-E70989946D73\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BBB7BAFE-9CB4-40D2-908C-55307728116F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1DD0255-9127-4C7F-9C02-42198820363E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.7.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8FDFDDA0-51D2-4995-9B4D-48047C940FC5\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5FCF191B-971A-4945-AB14-08091689BE2F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BCEA97B9-A443-4F87-81B4-B3F0E94AC18E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"56434D13-7A7B-495C-A135-2688C706A065\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"405F950F-0772-41A3-8B72-B67151CC1376\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/94470\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037341\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://xenbits.xen.org/xsa/advisory-192.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201612-56\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.citrix.com/article/CTX218775\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/94470\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037341\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://xenbits.xen.org/xsa/advisory-192.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201612-56\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://support.citrix.com/article/CTX218775\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.