CVE-2024-5798: HashiCorp Vault Incorrectly Validated JSON Web Tokens (JWT) Audience Claims

June 12, 2024

Vault and Vault Enterprise did not properly validate the JSON Web Token (JWT) role-bound audience claim when using the Vault JWT auth method. This may have resulted in Vault validating a JWT the audience and role-bound claims do not match, allowing an invalid login to succeed when it should have been rejected.

This vulnerability, CVE-2024-5798, was fixed in Vault and Vault Enterprise 1.17.0, 1.16.3, and 1.15.9

References

discuss.hashicorp.com/t/hcsec-2024-11-vault-incorrectly-validated-json-web-tokens-jwt-audience-claims/67770
github.com/advisories/GHSA-32cj-5wx4-gq8p
github.com/hashicorp/vault
nvd.nist.gov/vuln/detail/CVE-2024-5798

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