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CVE-2022-23539: Use of a Broken or Risky Cryptographic Algorithm

December 23, 2022 (updated November 7, 2023)

Versions <=8.5.1 of jsonwebtoken library could be misconfigured so that legacy, insecure key types are used for signature verification. For example, DSA keys could be used with the RS256 algorithm. You are affected if you are using an algorithm and a key type other than a combination listed in the GitHub Security Advisory as unaffected. This issue has been fixed, please update to version 9.0.0. This version validates for asymmetric key type and algorithm combinations. Please refer to the above mentioned algorithm / key type combinations for the valid secure configuration. After updating to version 9.0.0, if you still intend to continue with signing or verifying tokens using invalid key type/algorithm value combinations, you’ll need to set the allowInvalidAsymmetricKeyTypes option to true in the sign() and/or verify() functions.

References

  • github.com/advisories/GHSA-8cf7-32gw-wr33
  • github.com/auth0/node-jsonwebtoken/commit/e1fa9dcc12054a8681db4e6373da1b30cf7016e3
  • github.com/auth0/node-jsonwebtoken/security/advisories/GHSA-8cf7-32gw-wr33
  • nvd.nist.gov/vuln/detail/CVE-2022-23539

Code Behaviors & Features

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Affected versions

All versions up to 8.5.1

Fixed versions

  • 9.0.0

Solution

Upgrade to version 9.0.0 or above.

Impact 8.1 HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-327: Use of a Broken or Risky Cryptographic Algorithm

Source file

npm/jsonwebtoken/CVE-2022-23539.yml

Spotted a mistake? Edit the file on GitLab.

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