RADIUS No Message-Authenticator attribute / BlastRADIUS vulr

Hi there,

With the latest updates to our network, I noticed issues with RADIUS and our main gateway.

It shows “No Message-Authenticator attribute”.

Looking into this I found on FreeRADIUS security the BlastRADIUS notice.

The solution seems to be to add two lines in the radiusd.conf:

security {
    ...
    require_message_authenticator = auto
    limit_proxy_state = auto
}

or per client configuration:

authorize {
	if (!EAP-Message) {
		update reply {
			Message-Authenticator := 0x00
		}
	}

My question is if anyone has tried that (and if it is working) or if Univention are planning to add this as a default in UCS (those are not set in 5.0-10 and we are looking at migrating to 5.2 in the next few weeks)

Cheers

After update to UCS 5.2-2 error still persists.

Adding lines to radiusd.conf does not resolve the issue with our gateway.

Any hints?