CVE-2016-4911 (GCVE-0-2016-4911)
Vulnerability from cvelistv5
Published
2016-06-13 14:00
Modified
2024-08-06 00:46
Severity ?
CWE
  • n/a
Summary
The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token.
References
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:46:40.087Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugs.launchpad.net/keystone/+bug/1577558"
          },
          {
            "name": "[oss-security] 20160517 CVE request for vulnerability in OpenStack Keystone",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/05/17/10"
          },
          {
            "name": "90728",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/90728"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.openstack.org/ossa/OSSA-2016-008.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://review.openstack.org/#/c/311886/"
          },
          {
            "name": "[oss-security] 20160517 Re: CVE request for vulnerability in OpenStack Keystone",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/05/17/11"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-05-17T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-11-25T19:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugs.launchpad.net/keystone/+bug/1577558"
        },
        {
          "name": "[oss-security] 20160517 CVE request for vulnerability in OpenStack Keystone",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/05/17/10"
        },
        {
          "name": "90728",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/90728"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.openstack.org/ossa/OSSA-2016-008.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://review.openstack.org/#/c/311886/"
        },
        {
          "name": "[oss-security] 20160517 Re: CVE request for vulnerability in OpenStack Keystone",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/05/17/11"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-4911",
          "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 Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugs.launchpad.net/keystone/+bug/1577558",
              "refsource": "CONFIRM",
              "url": "https://bugs.launchpad.net/keystone/+bug/1577558"
            },
            {
              "name": "[oss-security] 20160517 CVE request for vulnerability in OpenStack Keystone",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/05/17/10"
            },
            {
              "name": "90728",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/90728"
            },
            {
              "name": "https://security.openstack.org/ossa/OSSA-2016-008.html",
              "refsource": "CONFIRM",
              "url": "https://security.openstack.org/ossa/OSSA-2016-008.html"
            },
            {
              "name": "https://review.openstack.org/#/c/311886/",
              "refsource": "CONFIRM",
              "url": "https://review.openstack.org/#/c/311886/"
            },
            {
              "name": "[oss-security] 20160517 Re: CVE request for vulnerability in OpenStack Keystone",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/05/17/11"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-4911",
    "datePublished": "2016-06-13T14:00:00",
    "dateReserved": "2016-05-17T00:00:00",
    "dateUpdated": "2024-08-06T00:46:40.087Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-4911\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-06-13T14:59:07.323\",\"lastModified\":\"2025-04-12T10:46:40.837\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token.\"},{\"lang\":\"es\",\"value\":\"El Fernet Token Provider en OpenStack Identity (Keystone) 9.0.x en versiones anteriores a 9.0.1 (mitaka) permite a usuarios remotos autenticados prevenir la revocaci\u00f3n de una cadena de tokens y eludir las restricciones destinadas al acceso mediante un token con alcance ampliado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:P/A:N\",\"baseScore\":4.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B88FDEF2-E782-485E-80D4-1ADACE60FC66\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"6913A9FE-14FC-4B11-A364-63476ED92D62\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"570EAE79-D60E-4254-92F9-1CDA91AFDB43\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2016/05/17/10\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/05/17/11\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\"]},{\"url\":\"http://www.securityfocus.com/bid/90728\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://bugs.launchpad.net/keystone/+bug/1577558\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://review.openstack.org/#/c/311886/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.openstack.org/ossa/OSSA-2016-008.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/05/17/10\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/05/17/11\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"http://www.securityfocus.com/bid/90728\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://bugs.launchpad.net/keystone/+bug/1577558\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://review.openstack.org/#/c/311886/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.openstack.org/ossa/OSSA-2016-008.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
  }
}


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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.