CVE-2023-37464

{"id": "CVE-2023-37464", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.9}]}, "published": "2023-07-14T21:15:08.903", "references": [{"url": "https://datatracker.ietf.org/doc/html/rfc7518#section-4.7", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/OpenIDC/cjose/commit/7325e9a5e71e2fc0e350487ecac7d84acdf0ed5e", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/OpenIDC/cjose/releases/tag/v0.6.2.2", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/OpenIDC/cjose/security/advisories/GHSA-3rhg-3gf2-6xgj", "tags": ["Exploit", "Patch", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00002.html", "source": "security-advisories@github.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFWAPMYYVBO2U65HPYDTBEKNSXG4TP5C/", "source": "security-advisories@github.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCQJXKDPCWCXB2V4JMQ3UWYJ4UIBPUW6/", "source": "security-advisories@github.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTZHOVGY7AHGNMEY245HK4Q36AMA53AL/", "source": "security-advisories@github.com"}, {"url": "https://www.debian.org/security/2023/dsa-5472", "source": "security-advisories@github.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-327"}]}], "descriptions": [{"lang": "en", "value": "OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption (JOSE). The AES GCM decryption routine incorrectly uses the Tag length from the actual Authentication Tag provided in the JWE. The spec says that a fixed length of 16 octets must be applied. Therefore this bug allows an attacker to provide a truncated Authentication Tag and to modify the JWE accordingly. Users should upgrade to a version >= 0.6.2.2. Users unable to upgrade should avoid using AES GCM encryption and replace it with another encryption algorithm (e.g. AES CBC)."}, {"lang": "es", "value": "OpenIDC/cjose es una biblioteca C que implementa Javascript Object Signing and Encryption (JOSE). La rutina de descifrado AES GCM utiliza incorrectamente la longitud de la etiqueta de la etiqueta de autenticaci\u00f3n real proporcionada en el JWE. La especificaci\u00f3n dice que se debe aplicar una longitud fija de 16 octetos. Por lo tanto, este error permite a un atacante proporcionar una etiqueta de autenticaci\u00f3n truncada y modificar el JWE en consecuencia. Los usuarios deben actualizar a una versi\u00f3n >= 0.6.2.2. Los usuarios que no puedan actualizar deben evitar el uso del cifrado AES GCM y reemplazarlo con otro algoritmo de cifrado (por ejemplo, AES CBC)."}], "lastModified": "2023-09-15T22:15:13.967", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:cjose:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "03D82D74-C8C8-4602-933C-DD2940EF4E2C", "versionEndExcluding": "0.6.2.2"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}