CVE-2021-34433

In Eclipse Californium version 2.0.0 to 2.6.4 and 3.0.0-M1 to 3.0.0-M3, the certificate based (x509 and RPK) DTLS handshakes accidentally succeeds without verifying the server side's signature on the client side, if that signature is not included in the server's ServerKeyExchange.

In Eclipse Californium version 2.0.0 to 2.6.4 and 3.0.0-M1 to 3.0.0-M3, the certificate based (x509 and RPK) DTLS handshakes accidentally succeeds without verifying the server side's signature on the client side, if that signature is not included in the server's ServerKeyExchange.

En Eclipse Californium versiones 2.0.0 a 2.6.4 y 3.0.0-M1 a 3.0.0-M3, los handshakes DTLS basados en certificados (x509 y RPK) presentan éxito accidentalmente sin verificar la firma del lado del servidor en el lado del cliente, si esa firma no está incluida en el ServerKeyExchange del servidor.