{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-41889", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-09-04T16:31:48.225Z", "datePublished": "2023-09-15T20:09:27.714Z", "dateUpdated": "2023-09-15T20:09:27.714Z"}, "containers": {"cna": {"title": "Late-Unicode normalization vulnerability in SHIRASAGI", "problemTypes": [{"descriptions": [{"cweId": "CWE-176", "lang": "en", "description": "CWE-176: Improper Handling of Unicode Encoding", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/shirasagi/shirasagi/security/advisories/GHSA-xr45-c2jv-2v9r", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/shirasagi/shirasagi/security/advisories/GHSA-xr45-c2jv-2v9r"}, {"name": "https://github.com/shirasagi/shirasagi/blob/f249ce3f06f6bfbc0017b38f5c13de424334c3ea/app/models/concerns/rdf/object.rb#L68-L72", "tags": ["x_refsource_MISC"], "url": "https://github.com/shirasagi/shirasagi/blob/f249ce3f06f6bfbc0017b38f5c13de424334c3ea/app/models/concerns/rdf/object.rb#L68-L72"}, {"name": "https://sim4n6.beehiiv.com/p/unicode-characters-bypass-security-checks", "tags": ["x_refsource_MISC"], "url": "https://sim4n6.beehiiv.com/p/unicode-characters-bypass-security-checks"}], "affected": [{"vendor": "shirasagi", "product": "shirasagi", "versions": [{"version": "< 1.18.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-09-15T20:09:27.714Z"}, "descriptions": [{"lang": "en", "value": "SHIRASAGI is a Content Management System. Prior to version 1.18.0, SHIRASAGI is vulnerable to a Post-Unicode normalization issue. This happens when a logical validation or a security check is performed before a Unicode normalization. The Unicode character equivalent of a character would resurface after the normalization. The fix is initially performing the Unicode normalization and then strip for all whitespaces and then checking for a blank string. This issue has been fixed in version 1.18.0.\n"}], "source": {"advisory": "GHSA-xr45-c2jv-2v9r", "discovery": "UNKNOWN"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ss-proj:shirasagi:*:*:*:*:*:*:*:*", "matchCriteriaId": "96B19CE9-B96E-4A30-9053-7532F1EF6684", "versionEndExcluding": "1.18.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "SHIRASAGI is a Content Management System. Prior to version 1.18.0, SHIRASAGI is vulnerable to a Post-Unicode normalization issue. This happens when a logical validation or a security check is performed before a Unicode normalization. The Unicode character equivalent of a character would resurface after the normalization. The fix is initially performing the Unicode normalization and then strip for all whitespaces and then checking for a blank string. This issue has been fixed in version 1.18.0.\n"}, {"lang": "es", "value": "SHIRASAGI es un sistema de gesti\u00f3n de contenidos. Antes de la versi\u00f3n 1.18.0, SHIRASAGI era vulnerable a un problema de normalizaci\u00f3n posterior a Unicode. Esto sucede cuando se realiza una validaci\u00f3n l\u00f3gica o una verificaci\u00f3n de seguridad antes de una normalizaci\u00f3n Unicode. El car\u00e1cter Unicode equivalente a un car\u00e1cter resurgir\u00eda despu\u00e9s de la normalizaci\u00f3n. La soluci\u00f3n consiste inicialmente en realizar la normalizaci\u00f3n Unicode y luego eliminar todos los espacios en blanco y luego comprobar si hay una cadena en blanco. Este problema se solucion\u00f3 en la versi\u00f3n 1.18.0."}], "id": "CVE-2023-41889", "lastModified": "2023-09-20T19:27:02.530", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2023-09-15T21:15:11.503", "references": [{"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://github.com/shirasagi/shirasagi/blob/f249ce3f06f6bfbc0017b38f5c13de424334c3ea/app/models/concerns/rdf/object.rb#L68-L72"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/shirasagi/shirasagi/security/advisories/GHSA-xr45-c2jv-2v9r"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sim4n6.beehiiv.com/p/unicode-characters-bypass-security-checks"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-116"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-176"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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