CVE-2023-37464 (GCVE-0-2023-37464)

Vulnerability from cvelistv5 – Published: 2023-07-14 20:25 – Updated: 2025-02-13 17:01
VLAI
Title
Incorrect Authentication Tag length usage in AES GCM decryption in OpenIDC/cjose
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).
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
Assigner
References
Impacted products
Vendor Product Version
OpenIDC cjose Affected: < 0.6.2.2
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      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/OpenIDC/cjose/security/advisories/GHSA-3rhg-3gf2-6xgj\", \"name\": \"https://github.com/OpenIDC/cjose/security/advisories/GHSA-3rhg-3gf2-6xgj\", \"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"]}, {\"url\": \"https://github.com/OpenIDC/cjose/commit/7325e9a5e71e2fc0e350487ecac7d84acdf0ed5e\", \"name\": \"https://github.com/OpenIDC/cjose/commit/7325e9a5e71e2fc0e350487ecac7d84acdf0ed5e\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://datatracker.ietf.org/doc/html/rfc7518#section-4.7\", \"name\": \"https://datatracker.ietf.org/doc/html/rfc7518#section-4.7\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://github.com/OpenIDC/cjose/releases/tag/v0.6.2.2\", \"name\": \"https://github.com/OpenIDC/cjose/releases/tag/v0.6.2.2\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/08/msg00002.html\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5472\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFWAPMYYVBO2U65HPYDTBEKNSXG4TP5C/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTZHOVGY7AHGNMEY245HK4Q36AMA53AL/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCQJXKDPCWCXB2V4JMQ3UWYJ4UIBPUW6/\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T17:16:30.233Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-37464\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-30T15:16:24.195381Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:cisco:cjose:*:*:*:*:*:*:*:*\"], \"vendor\": \"cisco\", \"product\": \"cjose\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"0.6.2.2\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-30T15:18:23.212Z\"}}], \"cna\": {\"title\": \"Incorrect Authentication Tag length usage in AES GCM decryption in OpenIDC/cjose\", \"source\": {\"advisory\": \"GHSA-3rhg-3gf2-6xgj\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"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\"}}], \"affected\": [{\"vendor\": \"OpenIDC\", \"product\": \"cjose\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 0.6.2.2\"}]}], \"references\": [{\"url\": \"https://github.com/OpenIDC/cjose/security/advisories/GHSA-3rhg-3gf2-6xgj\", \"name\": \"https://github.com/OpenIDC/cjose/security/advisories/GHSA-3rhg-3gf2-6xgj\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/OpenIDC/cjose/commit/7325e9a5e71e2fc0e350487ecac7d84acdf0ed5e\", \"name\": \"https://github.com/OpenIDC/cjose/commit/7325e9a5e71e2fc0e350487ecac7d84acdf0ed5e\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://datatracker.ietf.org/doc/html/rfc7518#section-4.7\", \"name\": \"https://datatracker.ietf.org/doc/html/rfc7518#section-4.7\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/OpenIDC/cjose/releases/tag/v0.6.2.2\", \"name\": \"https://github.com/OpenIDC/cjose/releases/tag/v0.6.2.2\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/08/msg00002.html\"}, {\"url\": \"https://www.debian.org/security/2023/dsa-5472\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFWAPMYYVBO2U65HPYDTBEKNSXG4TP5C/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTZHOVGY7AHGNMEY245HK4Q36AMA53AL/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCQJXKDPCWCXB2V4JMQ3UWYJ4UIBPUW6/\"}], \"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 \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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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.