cve-2019-20104
Vulnerability from cvelistv5
Published
2020-02-06 03:10
Modified
2024-09-16 17:04
Severity ?
Summary
The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability.
Impacted products
Vendor Product Version
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:32:10.611Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jira.atlassian.com/browse/CWD-5526"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Crowd",
          "vendor": "Atlassian",
          "versions": [
            {
              "lessThan": "3.6.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "3.7.0",
              "versionType": "custom"
            },
            {
              "lessThan": "3.7.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2020-02-05T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Restriction of XML External Entity Reference",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-02-10T16:41:55",
        "orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
        "shortName": "atlassian"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jira.atlassian.com/browse/CWD-5526"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@atlassian.com",
          "DATE_PUBLIC": "2020-02-05T00:00:00",
          "ID": "CVE-2019-20104",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Crowd",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "3.6.2"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "3.7.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "3.7.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Atlassian"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Improper Restriction of XML External Entity Reference"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jira.atlassian.com/browse/CWD-5526",
              "refsource": "MISC",
              "url": "https://jira.atlassian.com/browse/CWD-5526"
            },
            {
              "name": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/",
              "refsource": "MISC",
              "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
    "assignerShortName": "atlassian",
    "cveId": "CVE-2019-20104",
    "datePublished": "2020-02-06T03:10:24.881912Z",
    "dateReserved": "2019-12-30T00:00:00",
    "dateUpdated": "2024-09-16T17:04:16.877Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-20104\",\"sourceIdentifier\":\"security@atlassian.com\",\"published\":\"2020-02-06T03:15:10.123\",\"lastModified\":\"2024-11-21T04:38:04.280\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability.\"},{\"lang\":\"es\",\"value\":\"La aplicaci\u00f3n de cliente OpenID en Atlassian Crowd antes de la versi\u00f3n 3.6.2 y desde la versi\u00f3n 3.7.0 anteriores a 3.7.1, permite a atacantes remotos llevar a cabo un ataque de Denegaci\u00f3n de Servicio por medio de una vulnerabilidad de tipo XML Entity Expansion.\"}],\"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-776\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.2.11\",\"matchCriteriaId\":\"10182807-762F-492A-A74F-AAF659F8B45B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.3.0\",\"versionEndExcluding\":\"3.3.8\",\"matchCriteriaId\":\"ACABB443-7E07-4C6F-A32B-DD2F78603E81\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.4.0\",\"versionEndExcluding\":\"3.4.7\",\"matchCriteriaId\":\"8C438EFF-3115-4932-A8E4-2A3D333C0420\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.5.0\",\"versionEndExcluding\":\"3.5.2\",\"matchCriteriaId\":\"32363B16-622B-40B2-81FD-891350688619\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.6.0\",\"versionEndExcluding\":\"3.6.2\",\"matchCriteriaId\":\"F5E26921-D031-47FE-98BA-E0BDF43A1CDD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.6.3\",\"versionEndExcluding\":\"3.7.1\",\"matchCriteriaId\":\"ED1160D9-F1BB-4D34-9240-9ECB04C2D19A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.7.2\",\"versionEndExcluding\":\"4.0.0\",\"matchCriteriaId\":\"CB431461-C139-4E40-9B50-CEE0EDAE6679\"}]}]}],\"references\":[{\"url\":\"https://jira.atlassian.com/browse/CWD-5526\",\"source\":\"security@atlassian.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/\",\"source\":\"security@atlassian.com\",\"tags\":[\"Exploit\",\"Technical Description\"]},{\"url\":\"https://jira.atlassian.com/browse/CWD-5526\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Technical Description\"]}]}}"
  }
}


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.