cve-2016-9379
Vulnerability from cvelistv5
Published
2017-01-23 21:00
Modified
2024-08-06 02:50
Severity ?
Summary
The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.
Impacted products
Vendor Product Version
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T02:50:37.614Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/xsa198.patch"
          },
          {
            "name": "94473",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/94473"
          },
          {
            "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-198.html"
          },
          {
            "name": "1037347",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1037347"
          },
          {
            "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": "The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file."
        }
      ],
      "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": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/xsa198.patch"
        },
        {
          "name": "94473",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94473"
        },
        {
          "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-198.html"
        },
        {
          "name": "1037347",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1037347"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.citrix.com/article/CTX218775"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-9379",
          "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": "The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://xenbits.xen.org/xsa/xsa198.patch",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/xsa198.patch"
            },
            {
              "name": "94473",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/94473"
            },
            {
              "name": "GLSA-201612-56",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201612-56"
            },
            {
              "name": "http://xenbits.xen.org/xsa/advisory-198.html",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/advisory-198.html"
            },
            {
              "name": "1037347",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1037347"
            },
            {
              "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-2016-9379",
    "datePublished": "2017-01-23T21:00:00",
    "dateReserved": "2016-11-17T00:00:00",
    "dateUpdated": "2024-08-06T02:50:37.614Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-9379\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2017-01-23T21:59:02.707\",\"lastModified\":\"2024-11-21T03:01:03.623\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.\"},{\"lang\":\"es\",\"value\":\"El emulador de cargador de arranque pygrub en Xen, cuando se solicita el formato de salida de la expresi\u00f3n S, permite a administradores locales del SO invitado que utilizan pygrub leer o eliminar archivos arbitrarios en el host a trav\u00e9s de citas de cadenas y expresiones S en el archivo de configuraci\u00f3n del gestor de arranque.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N\",\"baseScore\":7.9,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.5,\"impactScore\":5.8}],\"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-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C2B9CCC2-BAC5-4A65-B8D4-4B71EBBA0C2F\"}]}]},{\"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/94473\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037347\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://xenbits.xen.org/xsa/advisory-198.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://xenbits.xen.org/xsa/xsa198.patch\",\"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/94473\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037347\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://xenbits.xen.org/xsa/advisory-198.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://xenbits.xen.org/xsa/xsa198.patch\",\"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.