Vault and Vault Enterprise 1.8.0 through 1.8.8, and 1.9.3 allowed the PKI secrets engine under certain configurations to issue wildcard certificates to authorized users for a specified domain, even if the PKI role policy attribute allow_subdomains is set to false. Fixed in Vault Enterprise 1.8.9 and 1.9.4.
Weakness
The product does not validate, or incorrectly validates, a certificate.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Vault | Hashicorp | 1.8.0 (including) | 1.8.9 (excluding) |
| Vault | Hashicorp | 1.9.0 (including) | 1.9.4 (excluding) |
Potential Mitigations
Related Attack Patterns
References
- https://discuss.hashicorp.com
- https://discuss.hashicorp.com/t/hcsec-2022-09-vault-pki-secrets-engine-policy-results-in-incorrect-wildcard-certificate-issuance/36600
- https://security.gentoo.org/glsa/202207-01
- https://discuss.hashicorp.com
- https://discuss.hashicorp.com/t/hcsec-2022-09-vault-pki-secrets-engine-policy-results-in-incorrect-wildcard-certificate-issuance/36600
- https://security.gentoo.org/glsa/202207-01