etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pfsense | Pfsense | * | 2.0 (including) |
| Pfsense | Pfsense | 1.0.x (including) | 1.0.x (including) |
| Pfsense | Pfsense | 1.2.1 (including) | 1.2.1 (including) |
| Pfsense | Pfsense | 1.2.2 (including) | 1.2.2 (including) |
| Pfsense | Pfsense | 1.2.3 (including) | 1.2.3 (including) |