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



{
   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: "<",
                                       version_value: "3.6.2",
                                    },
                                    {
                                       version_affected: ">=",
                                       version_value: "3.7.0",
                                    },
                                    {
                                       version_affected: "<",
                                       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,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               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",
      },
   },
}


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