CVE-2022-35943

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As a workaround: set `Config\\Security::$csrfProtection` to `'session,'`remove old session data right after login (immediately after ID and password match) and regenerate CSRF token right after login (immediately after ID and password match)"}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-352", "description": "CWE-352: Cross-Site Request Forgery (CSRF)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-12T20:55:10.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq"}, {"tags": ["x_refsource_MISC"], "url": "https://codeigniter4.github.io/userguide/libraries/security.htm"}, {"tags": ["x_refsource_MISC"], "url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"}, {"tags": ["x_refsource_MISC"], "url": "https://jub0bs.com/posts/2021-01-29-great-samesite-confusion"}], "source": {"advisory": "GHSA-5hm8-vh6r-2cjq", "discovery": "UNKNOWN"}, "title": "SameSite may allow cross-site request forgery (CSRF) protection to be bypassed", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-35943", "STATE": "PUBLIC", "TITLE": "SameSite may allow cross-site request forgery (CSRF) protection to be bypassed"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "shield", "version": {"version_data": [{"version_value": "> 4.3.2, > v1.0.0-beta.2"}]}}]}, "vendor_name": "codeigniter4"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Shield is an authentication and authorization framework for CodeIgniter 4. 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As a workaround: set `Config\\Security::$csrfProtection` to `'session,'`remove old session data right after login (immediately after ID and password match) and regenerate CSRF token right after login (immediately after ID and password match)"}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-352: Cross-Site Request Forgery (CSRF)"}]}]}, "references": {"reference_data": [{"name": "https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq", "refsource": "CONFIRM", "url": "https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq"}, {"name": "https://codeigniter4.github.io/userguide/libraries/security.htm", "refsource": "MISC", "url": "https://codeigniter4.github.io/userguide/libraries/security.htm"}, {"name": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite", "refsource": "MISC", "url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"}, {"name": "https://jub0bs.com/posts/2021-01-29-great-samesite-confusion", "refsource": "MISC", "url": "https://jub0bs.com/posts/2021-01-29-great-samesite-confusion"}]}, "source": {"advisory": "GHSA-5hm8-vh6r-2cjq", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T09:51:59.707Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://codeigniter4.github.io/userguide/libraries/security.htm"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jub0bs.com/posts/2021-01-29-great-samesite-confusion"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-22T15:45:07.423965Z", "id": "CVE-2022-35943", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-22T17:42:18.166Z"}}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-35943", "datePublished": "2022-08-12T20:55:10.000Z", "dateReserved": "2022-07-15T00:00:00.000Z", "dateUpdated": "2025-04-22T17:42:18.166Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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This vulnerability may allow [SameSite Attackers](https://canitakeyoursubdomain.name/) to bypass the [CodeIgniter4 CSRF protection](https://codeigniter4.github.io/userguide/libraries/security.html) mechanism with CodeIgniter Shield. For this attack to succeed, the attacker must have direct (or indirect, e.g., XSS) control over a subdomain site (e.g., `https://a.example.com/`) of the target site (e.g., `http://example.com/`). Upgrade to **CodeIgniter v4.2.3 or later** and **Shield v1.0.0-beta.2 or later**. As a workaround: set `Config\\Security::$csrfProtection` to `'session,'`remove old session data right after login (immediately after ID and password match) and regenerate CSRF token right after login (immediately after ID and password match)"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-352", "description": "CWE-352: Cross-Site Request Forgery (CSRF)"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2022-08-12T20:55:10.000Z"}, "x_legacyV4Record": {"impact": {"cvss": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, "source": {"advisory": "GHSA-5hm8-vh6r-2cjq", "discovery": "UNKNOWN"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "> 4.3.2, > v1.0.0-beta.2"}]}, "product_name": "shield"}]}, "vendor_name": "codeigniter4"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq", "name": "https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq", "refsource": "CONFIRM"}, {"url": "https://codeigniter4.github.io/userguide/libraries/security.htm", "name": "https://codeigniter4.github.io/userguide/libraries/security.htm", "refsource": "MISC"}, {"url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite", "name": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite", "refsource": "MISC"}, {"url": "https://jub0bs.com/posts/2021-01-29-great-samesite-confusion", "name": "https://jub0bs.com/posts/2021-01-29-great-samesite-confusion", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Shield is an authentication and authorization framework for CodeIgniter 4. 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As a workaround: set `Config\\Security::$csrfProtection` to `'session,'`remove old session data right after login (immediately after ID and password match) and regenerate CSRF token right after login (immediately after ID and password match)"}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-352: Cross-Site Request Forgery (CSRF)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-35943", "STATE": "PUBLIC", "TITLE": "SameSite may allow cross-site request forgery (CSRF) protection to be bypassed", "ASSIGNER": "security-advisories@github.com"}}}}, "cveMetadata": {"cveId": "CVE-2022-35943", "state": "PUBLISHED", "dateUpdated": "2025-04-22T17:42:18.166Z", "dateReserved": "2022-07-15T00:00:00.000Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2022-08-12T20:55:10.000Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.1"}

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For this attack to succeed, the attacker must have direct (or indirect, e.g., XSS) control over a subdomain site (e.g., `https://a.example.com/`) of the target site (e.g., `http://example.com/`). Upgrade to **CodeIgniter v4.2.3 or later** and **Shield v1.0.0-beta.2 or later**. As a workaround: set `Config\\Security::$csrfProtection` to `'session,'`remove old session data right after login (immediately after ID and password match) and regenerate CSRF token right after login (immediately after ID and password match)"}, {"lang": "es", "value": "Shield es un marco de autenticaci\u00f3n y autorizaci\u00f3n para CodeIgniter 4. Esta vulnerabilidad puede permitir a [Atacantes del Mismo Sitio](https://canitakeyoursubdomain.name/) omitir el mecanismo de [protecci\u00f3n CSRF de CodeIgniter4](https://codeigniter4.github.io/userguide/libraries/security.html) con CodeIgniter Shield. Para que este ataque tenga \u00e9xito, el atacante debe tener control directo (o indirecto, por ejemplo, de tipo XSS) sobre un sitio subdominio (por ejemplo, \"https://a.example.com/\") del sitio objetivo (por ejemplo, \"http://example.com/\"). Actualice a **CodeIgniter versiones v4.2.3 o posteriores** y **Shield versiones v1.0.0-beta.2 o posteriores**. Como mitigaci\u00f3n: establezca \"Config\\Security::$csrfProtection\" como \"\"sesi\u00f3n,\"\"elimine los datos de la sesi\u00f3n antigua justo despu\u00e9s del inicio de sesi\u00f3n (inmediatamente despu\u00e9s de que el ID y la contrase\u00f1a coincidan) y regenere el token CSRF justo despu\u00e9s del inicio de sesi\u00f3n (inmediatamente despu\u00e9s de que el ID y la contrase\u00f1a coincidan)"}], "id": "CVE-2022-35943", "lastModified": "2026-06-17T04:52:34.443", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-35943", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-22T15:45:07.423965Z", "version": "2.0.3"}}]}, "published": "2022-08-12T21:15:07.803", "references": [{"source": "security-advisories@github.com", "tags": ["Broken Link"], "url": "https://codeigniter4.github.io/userguide/libraries/security.htm"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://jub0bs.com/posts/2021-01-29-great-samesite-confusion"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://codeigniter4.github.io/userguide/libraries/security.htm"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jub0bs.com/posts/2021-01-29-great-samesite-confusion"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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