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  5. CVE-2018-1000539

CVE-2018-1000539: Improper Verification of Cryptographic Signature

June 26, 2018 (updated September 2, 2018)

json-jwt is vulnerable to improper verification of cryptographic signatures when decrypting AES-GCM encrypted JSON Web Tokens. This can result in an attacker being able to forge an authentication tag.

References

  • nvd.nist.gov/vuln/detail/CVE-2018-1000539

Code Behaviors & Features

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Affected versions

All versions starting from 0.5.0 before 1.9.4

Fixed versions

  • 1.9.4

Solution

Upgrade to version 1.9.4 or above.

Impact 5.3 MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-347: Improper Verification of Cryptographic Signature

Source file

gem/json-jwt/CVE-2018-1000539.yml

Spotted a mistake? Edit the file on GitLab.

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