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



{
  "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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