In wolfSSL before 5.2.0, a TLS 1.3 server cannot properly enforce a requirement for mutual authentication. A client can simply omit the certificate_verify message from the handshake, and never present a certificate.
The product does not validate, or incorrectly validates, a certificate.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Wolfssl | Wolfssl | * | 5.2.0 (excluding) |
| Wolfssl | Ubuntu | bionic | * |
| Wolfssl | Ubuntu | impish | * |
| Wolfssl | Ubuntu | kinetic | * |
| Wolfssl | Ubuntu | trusty | * |
| Wolfssl | Ubuntu | upstream | * |
| Wolfssl | Ubuntu | xenial | * |