gsd-2019-20104
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
CVE-2019-20104


To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-20104",
    "description": "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.",
    "id": "GSD-2019-20104"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-20104"
      ],
      "details": "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.",
      "id": "GSD-2019-20104",
      "modified": "2023-12-13T01:23:43.097894Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "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/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.2.11",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.3.8",
                "versionStartIncluding": "3.3.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.4.7",
                "versionStartIncluding": "3.4.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.5.2",
                "versionStartIncluding": "3.5.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.6.2",
                "versionStartIncluding": "3.6.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.7.1",
                "versionStartIncluding": "3.6.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.0.0",
                "versionStartIncluding": "3.7.2",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@atlassian.com",
          "ID": "CVE-2019-20104"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-776"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "N/A",
              "refsource": "N/A",
              "tags": [
                "Vendor Advisory"
              ],
              "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",
              "tags": [
                "Exploit",
                "Technical Description"
              ],
              "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-01-01T19:56Z",
      "publishedDate": "2020-02-06T03:15Z"
    }
  }
}


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.