gsd-2020-35509
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.
Aliases
Aliases
CVE-2020-35509


To clipboard 

{
   GSD: {
      alias: "CVE-2020-35509",
      description: "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
      id: "GSD-2020-35509",
      references: [
         "https://access.redhat.com/errata/RHSA-2021:3534",
         "https://access.redhat.com/errata/RHSA-2021:3529",
         "https://access.redhat.com/errata/RHSA-2021:3528",
         "https://access.redhat.com/errata/RHSA-2021:3527",
         "https://security.archlinux.org/CVE-2020-35509",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-35509",
         ],
         details: "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
         id: "GSD-2020-35509",
         modified: "2023-12-13T01:22:01.062709Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "secalert@redhat.com",
            ID: "CVE-2020-35509",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "keycloak",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "=",
                                       version_value: "11.0.3, 12.0.0",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "n/a",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        cweId: "CWE-20",
                        lang: "eng",
                        value: "CWE-20",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://access.redhat.com/security/cve/cve-2020-35509",
                  refsource: "MISC",
                  url: "https://access.redhat.com/security/cve/cve-2020-35509",
               },
            ],
         },
      },
      "gitlab.com": {
         advisories: [
            {
               affected_range: "(,14.0.0)",
               affected_versions: "All versions before 14.0.0",
               cvss_v3: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-295",
                  "CWE-937",
               ],
               date: "2022-12-05",
               description: "keycloak accepts an expired certificate by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
               fixed_versions: [
                  "14.0.0",
               ],
               identifier: "CVE-2020-35509",
               identifiers: [
                  "GHSA-rpj2-w6fr-79hc",
                  "CVE-2020-35509",
               ],
               not_impacted: "All versions starting from 14.0.0",
               package_slug: "maven/org.keycloak/keycloak-core",
               pubdate: "2022-08-24",
               solution: "Upgrade to version 14.0.0 or above.",
               title: "Improper Certificate Validation",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2020-35509",
                  "https://access.redhat.com/security/cve/cve-2020-35509",
                  "https://github.com/keycloak/keycloak/pull/6330",
                  "https://github.com/keycloak/keycloak/pull/8067",
                  "https://github.com/keycloak/keycloak/commit/478319348bdfdb9b6d39122f41edf2af79f679bb",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=1912427",
                  "https://github.com/keycloak/keycloak/blob/4f330f4a57cbfcf6202b60546518261c66e59a35/services/src/main/java/org/keycloak/authentication/authenticators/x509/ValidateX509CertificateUsername.java#L74-L76",
                  "https://github.com/advisories/GHSA-rpj2-w6fr-79hc",
               ],
               uuid: "3d926952-20b2-4c5c-98ed-e8e15337a966",
            },
         ],
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:redhat:keycloak:12.0.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:redhat:keycloak:11.0.3:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "secalert@redhat.com",
               ID: "CVE-2020-35509",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-295",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://access.redhat.com/security/cve/cve-2020-35509",
                     refsource: "MISC",
                     tags: [
                        "Vendor Advisory",
                     ],
                     url: "https://access.redhat.com/security/cve/cve-2020-35509",
                  },
               ],
            },
         },
         impact: {
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "NONE",
                  baseScore: 5.4,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "LOW",
                  integrityImpact: "LOW",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
                  version: "3.1",
               },
               exploitabilityScore: 2.8,
               impactScore: 2.5,
            },
         },
         lastModifiedDate: "2022-12-01T14:40Z",
         publishedDate: "2022-08-23T16:15Z",
      },
   },
}


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