cve-2018-19962
Vulnerability from cvelistv5
Published
2018-12-08 04:00
Modified
2024-08-05 11:51
Severity ?
Summary
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
cve@mitre.orghttp://www.securityfocus.com/bid/106182Third Party Advisory, VDB Entry
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
cve@mitre.orghttps://support.citrix.com/article/CTX239432Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2019/dsa-4369Third Party Advisory
cve@mitre.orghttps://xenbits.xen.org/xsa/advisory-275.htmlVendor Advisory, Patch
Impacted products
n/an/a
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:51:17.785Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.citrix.com/article/CTX239432"
          },
          {
            "name": "DSA-4369",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2019/dsa-4369"
          },
          {
            "name": "106182",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/106182"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://xenbits.xen.org/xsa/advisory-275.html"
          },
          {
            "name": "FEDORA-2019-bce6498890",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/"
          },
          {
            "name": "openSUSE-SU-2019:1226",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"
          },
          {
            "name": "[debian-lts-announce] 20191008 [SECURITY] [DLA 1949-1] xen security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-12-07T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-10-08T14:06:09",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.citrix.com/article/CTX239432"
        },
        {
          "name": "DSA-4369",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2019/dsa-4369"
        },
        {
          "name": "106182",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/106182"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://xenbits.xen.org/xsa/advisory-275.html"
        },
        {
          "name": "FEDORA-2019-bce6498890",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/"
        },
        {
          "name": "openSUSE-SU-2019:1226",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"
        },
        {
          "name": "[debian-lts-announce] 20191008 [SECURITY] [DLA 1949-1] xen security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-19962",
          "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": "An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.citrix.com/article/CTX239432",
              "refsource": "CONFIRM",
              "url": "https://support.citrix.com/article/CTX239432"
            },
            {
              "name": "DSA-4369",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2019/dsa-4369"
            },
            {
              "name": "106182",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/106182"
            },
            {
              "name": "https://xenbits.xen.org/xsa/advisory-275.html",
              "refsource": "MISC",
              "url": "https://xenbits.xen.org/xsa/advisory-275.html"
            },
            {
              "name": "FEDORA-2019-bce6498890",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/"
            },
            {
              "name": "openSUSE-SU-2019:1226",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"
            },
            {
              "name": "[debian-lts-announce] 20191008 [SECURITY] [DLA 1949-1] xen security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-19962",
    "datePublished": "2018-12-08T04:00:00",
    "dateReserved": "2018-12-07T00:00:00",
    "dateUpdated": "2024-08-05T11:51:17.785Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-19962\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2018-12-08T04:29:00.297\",\"lastModified\":\"2023-11-07T02:55:46.397\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto un problema en Xen hasta las versiones 4.11.x en plataformas AMD x86, que podr\u00eda permitir que usuarios invitados del sistema operativo obtengan privilegios del host del sistema operativo. Esto se debe a que los mapeos de IOMMU peque\u00f1os se combinan de forma insegura con mapeos m\u00e1s grandes.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.1,\"impactScore\":6.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:C/I:C/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":6.9},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.11.1\",\"matchCriteriaId\":\"EA6D0834-FE53-4844-A6C7-0BB2DC64DBA3\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"405F950F-0772-41A3-8B72-B67151CC1376\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:*\",\"matchCriteriaId\":\"93BE83D6-26D9-46E0-B031-27A03A83537A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"49D662D7-33DF-4DB3-946E-E9E410DC96CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:7.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1077F43A-22AA-436E-97ED-51CF74E92BA2\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/106182\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.citrix.com/article/CTX239432\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2019/dsa-4369\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://xenbits.xen.org/xsa/advisory-275.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\",\"Patch\"]}]}}"
  }
}


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 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.