Re: Possible Overflow in ping, Linux?

From: John (johnsat_private)
Date: Thu Apr 19 2001 - 21:41:03 PDT

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I have tested this on Debian 2.3 and it was unsuccessful. I tried
with anywhere from 1000 chars to 50000 chars.

Cooper wrote:
>
> Boris Gentleman Schauerte wrote:
> >
> > Sry,
> > but I'm not sure if it is really a ovflow, I hadn't had enough time to test
> > it in an debugger, but if I call "ping" under Linux (SuSE Linux 7.1) with
> > more than 1020 (tested it with some other lengths) Characters it seems to
> > crash.
> > I don't know if it is a mechanism to secure the program or an fault, or just
> > an too long string without the possibilty to insert shellcode.
> >
> > I'm sending 2 calls I generated...
> >
> > Program just couts that this is not a host ... well:
> > ping: unknown host:
> > AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA!
AA!
> AA!
> > AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
> >
> > program dies, if you send more A's ...

--
The events which transpired five thousand years ago;
Five years ago or five minutes ago, have determined
what will happen five minutes from now; five years
From now or five thousand years from now.
All history is a current event.
- Dr John Henrik Clake -

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