Diffie-Hellman Ephemeral Key Exchange DoS Vulnerability (SSL/TLS, D(HE)ater)

The so-called DHEat Attack affects cryptographic protocols using the Diffie Hellman key exchange (incl. TLS). According to its authors, it exploits a potocol particularity that may allow attackers to perform a DoS attack “with a low-bandwidth network connection without authentication, privilege, or user interaction.”