gsd-2018-10894
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.
Aliases
Aliases
CVE-2018-10894


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-10894",
    "description": "It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.",
    "id": "GSD-2018-10894",
    "references": [
      "https://access.redhat.com/errata/RHSA-2019:0877",
      "https://access.redhat.com/errata/RHSA-2018:3595",
      "https://access.redhat.com/errata/RHSA-2018:3593",
      "https://access.redhat.com/errata/RHSA-2018:3592"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-10894"
      ],
      "details": "It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.",
      "id": "GSD-2018-10894",
      "modified": "2023-12-13T01:22:40.893976Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2018-10894",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "keycloak",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "3.4.3.Final"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Red Hat"
            }
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          }
        ]
      },
      "impact": {
        "cvss": [
          [
            {
              "vectorString": "5.4/CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.0"
            }
          ]
        ]
      },
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                "lang": "eng",
                "value": "CWE-345"
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          {
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            "refsource": "REDHAT",
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          },
          {
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          },
          {
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            "refsource": "REDHAT",
            "url": "https://access.redhat.com/errata/RHSA-2018:3595"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894"
          },
          {
            "name": "RHSA-2019:0877",
            "refsource": "REDHAT",
            "url": "https://access.redhat.com/errata/RHSA-2019:0877"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,3.4.3)",
          "affected_versions": "All versions before 3.4.3",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.0/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": "2023-07-21",
          "description": "It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.",
          "fixed_versions": [
            "3.4.3"
          ],
          "identifier": "CVE-2018-10894",
          "identifiers": [
            "GHSA-xvv8-8wh9-9fh2",
            "CVE-2018-10894"
          ],
          "not_impacted": "",
          "package_slug": "maven/org.keycloak/keycloak-core",
          "pubdate": "2022-05-13",
          "solution": "Upgrade to version 3.4.3 or above.",
          "title": "Improper Certificate Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-10894",
            "https://access.redhat.com/errata/RHSA-2018:3592",
            "https://access.redhat.com/errata/RHSA-2018:3593",
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            "https://github.com/advisories/GHSA-xvv8-8wh9-9fh2"
          ],
          "uuid": "2b41d816-9eaf-4ed4-8197-b4ab8d2d9358"
        },
        {
          "affected_range": "=3.4.3",
          "affected_versions": "Version 3.4.3",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.0/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": "2019-10-09",
          "description": "It was found that SAML authentication in Keycloak incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.",
          "fixed_versions": [
            "4.0.0"
          ],
          "identifier": "CVE-2018-10894",
          "identifiers": [
            "CVE-2018-10894"
          ],
          "not_impacted": "All versions before 3.4.3, all versions after 3.4.3",
          "package_slug": "npm/keycloak-connect",
          "pubdate": "2018-08-01",
          "solution": "Upgrade to version 4.0.0 or above.",
          "title": "Improper Certificate Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-10894",
            "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894"
          ],
          "uuid": "8f27398b-017a-44aa-898f-58cfe6cae9d2"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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          {
            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:redhat:keycloak:3.4.3:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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            ],
            "operator": "OR"
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          {
            "children": [
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                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*",
                    "cpe_name": [],
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                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
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                  {
                    "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
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                    "vulnerable": false
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                "operator": "OR"
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            ],
            "cpe_match": [],
            "operator": "AND"
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        ]
      },
      "cve": {
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          "ID": "CVE-2018-10894"
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        "description": {
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            }
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        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-295"
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        "references": {
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            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894",
              "refsource": "CONFIRM",
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                "Patch",
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              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894"
            },
            {
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            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 2.5
        }
      },
      "lastModifiedDate": "2019-10-09T23:33Z",
      "publishedDate": "2018-08-01T17:29Z"
    }
  }
}


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