A potential security vulnerability has been identified with HP-UX running rpc.ttdbserver. The vulnerability could be exploited remotely to execute arbitrary code.
Workaround:
The vulnerability can be resolved by disabling rtp.ttdbserver. Note: The rpc.ttdbserver process is not needed for programs provided in the HP CDE product.
To Disable rpc.ttdbserver:
Edit /etc/inetd.conf and comment out the rpc.ttdbserver line as follows:
#rpc stream tcp swait root /usr/dt/bin/rpc.ttdbserver ...
Restart inetd:
/usr/sbin/inetd -c
Kill any instances of rpc.ttdbserver that might be running.