CVE-2021-32786
Vulnerability from cvelistv5
Published
2021-07-22 00:00
Modified
2024-08-03 23:33
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Summary
Open Redirect in oidc_validate_redirect_url()
References
security-advisories@github.comhttps://daniel.haxx.se/blog/2017/01/30/one-url-standard-please/Exploit, Third Party Advisory
security-advisories@github.comhttps://github.com/zmartzone/mod_auth_openidc/commit/3a115484eb927bc6daa5737dd84f88ff4bbc5544Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/zmartzone/mod_auth_openidc/releases/tag/v2.4.9Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-xm4c-5wm5-jqv7Third Party Advisory
security-advisories@github.comhttps://lists.debian.org/debian-lts-announce/2023/04/msg00034.html
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZVF6BSJLRQZ7PFFR4X5JSU6KUJYNOCU/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXAWKPT5LXZSUTFSJ6IWSZC7RMYYQXQD/
security-advisories@github.comhttps://security.netapp.com/advisory/ntap-20210902-0001/Third Party Advisory
security-advisories@github.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Impacted products
zmartzonemod_auth_openidc
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:33:55.659Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/zmartzone/mod_auth_openidc/releases/tag/v2.4.9"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-xm4c-5wm5-jqv7"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/zmartzone/mod_auth_openidc/commit/3a115484eb927bc6daa5737dd84f88ff4bbc5544"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://daniel.haxx.se/blog/2017/01/30/one-url-standard-please/"
          },
          {
            "name": "FEDORA-2021-e3017c538a",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZVF6BSJLRQZ7PFFR4X5JSU6KUJYNOCU/"
          },
          {
            "name": "FEDORA-2021-17f5cedf66",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXAWKPT5LXZSUTFSJ6IWSZC7RMYYQXQD/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210902-0001/"
          },
          {
            "name": "[debian-lts-announce] 20230430 [SECURITY] [DLA 3409-1] libapache2-mod-auth-openidc security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "mod_auth_openidc",
          "vendor": "zmartzone",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.4.9"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In versions prior to 2.4.9, `oidc_validate_redirect_url()` does not parse URLs the same way as most browsers do. As a result, this function can be bypassed and leads to an Open Redirect vulnerability in the logout functionality. This bug has been fixed in version 2.4.9 by replacing any backslash of the URL to redirect with slashes to address a particular breaking change between the different specifications (RFC2396 / RFC3986 and WHATWG). As a workaround, this vulnerability can be mitigated by configuring `mod_auth_openidc` to only allow redirection whose destination matches a given regular expression."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-601",
              "description": "CWE-601: URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-30T00:00:00",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "url": "https://github.com/zmartzone/mod_auth_openidc/releases/tag/v2.4.9"
        },
        {
          "url": "https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-xm4c-5wm5-jqv7"
        },
        {
          "url": "https://github.com/zmartzone/mod_auth_openidc/commit/3a115484eb927bc6daa5737dd84f88ff4bbc5544"
        },
        {
          "url": "https://daniel.haxx.se/blog/2017/01/30/one-url-standard-please/"
        },
        {
          "name": "FEDORA-2021-e3017c538a",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZVF6BSJLRQZ7PFFR4X5JSU6KUJYNOCU/"
        },
        {
          "name": "FEDORA-2021-17f5cedf66",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXAWKPT5LXZSUTFSJ6IWSZC7RMYYQXQD/"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20210902-0001/"
        },
        {
          "name": "[debian-lts-announce] 20230430 [SECURITY] [DLA 3409-1] libapache2-mod-auth-openidc security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html"
        }
      ],
      "source": {
        "advisory": "GHSA-xm4c-5wm5-jqv7",
        "discovery": "UNKNOWN"
      },
      "title": "Open Redirect in oidc_validate_redirect_url()"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-32786",
    "datePublished": "2021-07-22T00:00:00",
    "dateReserved": "2021-05-12T00:00:00",
    "dateUpdated": "2024-08-03T23:33:55.659Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-32786\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2021-07-22T22:15:08.233\",\"lastModified\":\"2023-11-07T03:35:27.807\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In versions prior to 2.4.9, `oidc_validate_redirect_url()` does not parse URLs the same way as most browsers do. As a result, this function can be bypassed and leads to an Open Redirect vulnerability in the logout functionality. This bug has been fixed in version 2.4.9 by replacing any backslash of the URL to redirect with slashes to address a particular breaking change between the different specifications (RFC2396 / RFC3986 and WHATWG). As a workaround, this vulnerability can be mitigated by configuring `mod_auth_openidc` to only allow redirection whose destination matches a given regular expression.\"},{\"lang\":\"es\",\"value\":\"mod_auth_openidc es un m\u00f3dulo de autenticaci\u00f3n/autorizaci\u00f3n para el servidor HTTP Apache versi\u00f3n 2.x que funciona como un OpenID Connect Relying Party, autenticando a usuarios contra un OpenID Connect Provider. En versiones anteriores a 2.4.9, \\\"oidc_validate_redirect_url()\\\" no analiza las URLs de la misma manera que la mayor\u00eda de los navegadores. Como resultado, esta funci\u00f3n puede ser omitida y conlleva a una vulnerabilidad de Redirecci\u00f3n Abierta en la funcionalidad logout. Este bug ha sido corregido en versi\u00f3n 2.4.9 al reemplazar cualquier barra invertida de la URL a redirigir por barras inclinadas para solucionar un cambio particular de ruptura entre las diferentes especificaciones (RFC2396 / RFC3986 y WHATWG). Como soluci\u00f3n, esta vulnerabilidad puede ser mitigada configurando \\\"mod_auth_openidc\\\" para que s\u00f3lo permita la redirecci\u00f3n cuyo destino coincida con una expresi\u00f3n regular determinada\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7},{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.8},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-601\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-601\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openidc:mod_auth_openidc:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.4.9\",\"matchCriteriaId\":\"FAEFDBA2-55AD-410B-95C4-D2524C65B4A8\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.0.0\",\"versionEndIncluding\":\"2.4.48\",\"matchCriteriaId\":\"BC9C65B5-0989-4D64-9BED-1E391AD971AE\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A930E247-0B43-43CB-98FF-6CE7B8189835\"}]}]}],\"references\":[{\"url\":\"https://daniel.haxx.se/blog/2017/01/30/one-url-standard-please/\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/zmartzone/mod_auth_openidc/commit/3a115484eb927bc6daa5737dd84f88ff4bbc5544\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/zmartzone/mod_auth_openidc/releases/tag/v2.4.9\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-xm4c-5wm5-jqv7\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZVF6BSJLRQZ7PFFR4X5JSU6KUJYNOCU/\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXAWKPT5LXZSUTFSJ6IWSZC7RMYYQXQD/\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20210902-0001/\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpuapr2022.html\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}"
  }
}


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.