Bugtraq mailing list archives
Re: Solaris Ping bug (DoS)
From: brad.powell () WEST SUN COM (Brad Powell)
Date: Wed, 9 Jul 1997 07:27:51 -0700
Here is a simple workaround for the ping crash bug. It was posted before but I've prettied up the fix a little putting it into a titan wrapper. Brad ===============================cut here================================== #!/bin/sh # bpowell 06/21/97 generic titan wrapper for: # add the ndd line to disable response to echo modifies S69inet # # Note: none # version 0.1 # # setup PATH=/usr/ucb:/bin:/usr/bin:/sbin MYNAME=`basename $0` # Check for execution by root if [ `/usr/xpg4/bin/id -un` != root ] then echo " " echo >&2 "$MYNAME: error: must be run as root." echo " " exit 1 fi # Introduction # cat << EOF # # This disables ip_respond_to_echo_broadcast so that specific ping crashes # don't work # The program modifies /etc/rc2.d/S69inet # # ndd -set /dev/ip ip_respond_to_echo_broadcast 0 # EOF # echo press enter to continue"\c" # read YN if test -f /etc/rc2.d/S??inet then echo " Now adding the new ndd command" ed - /etc/rc2.d/S??inet <<- ! g/tcp_old_urp_interpretation a ndd -set /dev/ip ip_respond_to_echo_broadcast 0 . w Q ! echo " Modifcations to rc2.d complete" fi echo " Done."
Current thread:
- Re: Solaris Ping bug (DoS) Alan Coopersmith (Jul 03)
- <Possible follow-ups>
- Re: Solaris Ping bug (DoS) Fraggle (Jul 03)
- Re: Solaris Ping bug (DoS) Dalvenjah FoxFire (Jul 09)
- Re: Solaris Ping bug (DoS) hedge (Jul 10)
- Re: Solaris Ping bug (DoS) Casper Dik (Jul 10)
- Re: Solaris Ping bug (DoS) Dalvenjah FoxFire (Jul 09)
- Re: Solaris Ping bug (DoS) Brad Powell (Jul 09)