CVE-2022-23527

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{"affected": [{"affectedData": [{"product": "mod_auth_openidc", "vendor": "zmartzone", "versions": [{"status": "affected", "version": "< 2.4.12.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openidc:mod_auth_openidc:*:*:*:*:*:*:*:*", "matchCriteriaId": "2154DC4B-791C-45E2-BC99-EB188F6AC62E", "versionEndExcluding": "2.4.12.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "mod_auth_openidc is an OpenID Certified\u2122 authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulnerable to Open Redirect. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() does not properly check for URLs that start with /\\t, leading to an open redirect. This issue has been patched in version 2.4.12.2. Users unable to upgrade can mitigate the issue by configuring mod_auth_openidc to only allow redirection when the destination matches a given regular expression with OIDCRedirectURLsAllowed."}, {"lang": "es", "value": "mod_auth_openidc tiene certificaci\u00f3n OpenID? M\u00f3dulo de autenticaci\u00f3n y autorizaci\u00f3n para el servidor HTTP Apache 2.x. Las versiones anteriores a la 2.4.12.2 son vulnerables a Open Redirect. Al proporcionar un par\u00e1metro de cierre de sesi\u00f3n al URI de redireccionamiento, el c\u00f3digo existente en oidc_validate_redirect_url() no busca correctamente las URL que comienzan con /\\t, lo que genera un redireccionamiento abierto. Este problema se solucion\u00f3 en la versi\u00f3n 2.4.12.2. Los usuarios que no puedan actualizar pueden mitigar el problema configurando mod_auth_openidc para permitir solo la redirecci\u00f3n cuando el destino coincida con una expresi\u00f3n regular determinada con OIDCRedirectURLsAllowed."}], "id": "CVE-2022-23527", "lastModified": "2026-06-17T04:30:18.137", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-23527", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-18T14:22:50.911621Z", "version": "2.0.3"}}]}, "published": "2022-12-14T18:15:20.850", "references": [{"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://github.com/zmartzone/mod_auth_openidc/blob/v2.4.12.1/auth_openidc.conf#L975-L984"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-q6f2-285m-gr53"}, {"source": "security-advisories@github.com", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://github.com/zmartzone/mod_auth_openidc/blob/v2.4.12.1/auth_openidc.conf#L975-L984"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-q6f2-285m-gr53"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00020.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-601"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:6940", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "mod_auth_openidc:2.3-8090020230721123832.b46abd14", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2023:6365", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "mod_auth_openidc-0:2.4.9.4-4.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "mod_auth_openidc: Open Redirect in oidc_validate_redirect_url() using tab character", "id": "2153655", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2153655"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-601", "details": ["mod_auth_openidc is an OpenID Certified\u2122 authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulnerable to Open Redirect. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() does not properly check for URLs that start with /\\t, leading to an open redirect. This issue has been patched in version 2.4.12.2. Users unable to upgrade can mitigate the issue by configuring mod_auth_openidc to only allow redirection when the destination matches a given regular expression with OIDCRedirectURLsAllowed.", "An open redirect vulnerability was found in mod_auth_openidc, an OpenID Certified\u2122 authentication and authorization module for the Apache 2.x HTTP server. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() does not properly check for URLs that start with /\\t, leading to an open redirect."], "mitigation": {"lang": "en:us", "value": "This vulnerability can mitigated by configuring mod_auth_openidc to only allow redirection whose destination matches a given regular expression with OIDCRedirectURLsAllowed."}, "name": "CVE-2022-23527", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "mod_auth_openidc", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2022-12-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-23527\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-23527\nhttps://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-q6f2-285m-gr53"], "threat_severity": "Moderate"}

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