CVE-2023-37464 (GCVE-0-2023-37464)
Vulnerability from cvelistv5
Published
2023-07-14 20:25
Modified
2025-02-13 17:01
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Summary
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).
References
security-advisories@github.com https://datatracker.ietf.org/doc/html/rfc7518#section-4.7 Third Party Advisory
security-advisories@github.com https://github.com/OpenIDC/cjose/commit/7325e9a5e71e2fc0e350487ecac7d84acdf0ed5e Patch
security-advisories@github.com https://github.com/OpenIDC/cjose/releases/tag/v0.6.2.2 Release Notes
security-advisories@github.com https://github.com/OpenIDC/cjose/security/advisories/GHSA-3rhg-3gf2-6xgj Exploit, Patch, Vendor Advisory
security-advisories@github.com https://lists.debian.org/debian-lts-announce/2023/08/msg00002.html
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFWAPMYYVBO2U65HPYDTBEKNSXG4TP5C/
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCQJXKDPCWCXB2V4JMQ3UWYJ4UIBPUW6/
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTZHOVGY7AHGNMEY245HK4Q36AMA53AL/
security-advisories@github.com https://www.debian.org/security/2023/dsa-5472
af854a3a-2127-422b-91ae-364da2661108 https://datatracker.ietf.org/doc/html/rfc7518#section-4.7 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/OpenIDC/cjose/commit/7325e9a5e71e2fc0e350487ecac7d84acdf0ed5e Patch
af854a3a-2127-422b-91ae-364da2661108 https://github.com/OpenIDC/cjose/releases/tag/v0.6.2.2 Release Notes
af854a3a-2127-422b-91ae-364da2661108 https://github.com/OpenIDC/cjose/security/advisories/GHSA-3rhg-3gf2-6xgj Exploit, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2023/08/msg00002.html
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFWAPMYYVBO2U65HPYDTBEKNSXG4TP5C/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCQJXKDPCWCXB2V4JMQ3UWYJ4UIBPUW6/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTZHOVGY7AHGNMEY245HK4Q36AMA53AL/
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2023/dsa-5472
Impacted products
Vendor Product Version
OpenIDC cjose Version: < 0.6.2.2
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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 \u003e= 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).\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-327\", \"description\": \"CWE-327: Use of a Broken or Risky Cryptographic Algorithm\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2023-07-14T20:25:18.264Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-37464\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-30T15:18:28.556Z\", \"dateReserved\": \"2023-07-06T13:01:36.997Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2023-07-14T20:25:18.264Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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