cve-2021-36222
Vulnerability from cvelistv5
Published
2021-07-22 17:28
Modified
2024-08-04 00:54
Severity ?
Summary
ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.
References
cve@mitre.orghttps://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562Patch, Third Party Advisory
cve@mitre.orghttps://github.com/krb5/krb5/releasesRelease Notes, Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20211022-0003/Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20211104-0007/Third Party Advisory
cve@mitre.orghttps://web.mit.edu/kerberos/advisories/Not Applicable
cve@mitre.orghttps://www.debian.org/security/2021/dsa-4944Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/krb5/krb5/releasesRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20211022-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20211104-0007/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://web.mit.edu/kerberos/advisories/Not Applicable
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4944Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:54:51.338Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://web.mit.edu/kerberos/advisories/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/krb5/krb5/releases"
          },
          {
            "name": "DSA-4944",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2021/dsa-4944"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20211022-0003/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20211104-0007/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-04T08:06:53",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://web.mit.edu/kerberos/advisories/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/krb5/krb5/releases"
        },
        {
          "name": "DSA-4944",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2021/dsa-4944"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20211022-0003/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20211104-0007/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-36222",
          "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": "ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://web.mit.edu/kerberos/advisories/",
              "refsource": "MISC",
              "url": "https://web.mit.edu/kerberos/advisories/"
            },
            {
              "name": "https://github.com/krb5/krb5/releases",
              "refsource": "MISC",
              "url": "https://github.com/krb5/krb5/releases"
            },
            {
              "name": "DSA-4944",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2021/dsa-4944"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuoct2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
            },
            {
              "name": "https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562",
              "refsource": "CONFIRM",
              "url": "https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20211022-0003/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20211022-0003/"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20211104-0007/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20211104-0007/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-36222",
    "datePublished": "2021-07-22T17:28:47",
    "dateReserved": "2021-07-07T00:00:00",
    "dateUpdated": "2024-08-04T00:54:51.338Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-36222\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-07-22T18:15:23.337\",\"lastModified\":\"2024-11-21T06:13:20.520\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n ec_verify en el archivo kdc/kdc_preauth_ec.c en el Centro de Distribuci\u00f3n de Claves (KDC) en MIT Kerberos 5 (tambi\u00e9n se conoce como krb5) versiones anteriores a 1.18.4 y versiones 1.19.x  anteriores a 1.19.2, permite a atacantes remotos causar una desreferencia de puntero NULL y un bloqueo del daemon. Esto ocurre porque un valor de retorno no es manejado apropiadamente en una situaci\u00f3n determinada\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"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-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.18.4\",\"matchCriteriaId\":\"2E53BDCF-4782-44E2-BDDE-306701FBC042\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.19.0\",\"versionEndExcluding\":\"1.19.2\",\"matchCriteriaId\":\"54E20AF1-B697-4F21-88FE-AB2D937CEA76\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*\",\"matchCriteriaId\":\"3A756737-1CC4-42C2-A4DF-E1C893B4E2D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"B55E8D50-99B4-47EC-86F9-699B67D473CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1BE6C1F-2565-4E97-92AA-16563E5660A5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5735E553-9731-4AAC-BCFF-989377F817B3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BDFB1169-41A0-4A86-8E4F-FDA9730B1E94\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndIncluding\":\"8.0.26\",\"matchCriteriaId\":\"709E83B4-8C66-4255-870B-2F72B37BA8C6\"}]}]}],\"references\":[{\"url\":\"https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/krb5/krb5/releases\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20211022-0003/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20211104-0007/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://web.mit.edu/kerberos/advisories/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Not Applicable\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-4944\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpuoct2021.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/krb5/krb5/releases\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20211022-0003/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20211104-0007/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://web.mit.edu/kerberos/advisories/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Not Applicable\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-4944\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpuoct2021.html\",\"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.




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.