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  5. CVE-2022-23541

CVE-2022-23541: Improper Restriction of Security Token Assignment

December 22, 2022 (updated November 7, 2023)

jsonwebtoken is an implementation of JSON Web Tokens. Versions <= 8.5.1 of jsonwebtoken library can be misconfigured so that passing a poorly implemented key retrieval function referring to the secretOrPublicKey argument from the readme link will result in incorrect verification of tokens. There is a possibility of using a different algorithm and key combination in verification, other than the one that was used to sign the tokens. Specifically, tokens signed with an asymmetric public key could be verified with a symmetric HS256 algorithm. This can lead to successful validation of forged tokens. If your application is supporting usage of both symmetric key and asymmetric key in jwt.verify() implementation with the same key retrieval function. This issue has been patched, please update to version 9.0.0.

References

  • github.com/advisories/GHSA-hjrf-2m68-5959
  • github.com/auth0/node-jsonwebtoken/commit/e1fa9dcc12054a8681db4e6373da1b30cf7016e3
  • github.com/auth0/node-jsonwebtoken/releases/tag/v9.0.0
  • github.com/auth0/node-jsonwebtoken/security/advisories/GHSA-hjrf-2m68-5959
  • nvd.nist.gov/vuln/detail/CVE-2022-23541

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 6.3 MEDIUM

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

Learn more about CVSS

Source file

npm/jsonwebtoken/CVE-2022-23541.yml

Spotted a mistake? Edit the file on GitLab.

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