Bugtraq: Re: A funny way to DOS pcANYWHERE8.0 and 9.0

[eaton () MECCA SERVINT COM (Ken Eaton)]

First try was a success (DOS) and the 'fix' for 9.0 work just fine. Thanks
for the tip.

-ken

On Mon, 10 Apr 2000, Christopher Schulte wrote:

> At 09:35 AM 4/9/00 +0000, you wrote:
> > i found a funny thing about pcANYWHERE.
> > when we use pcANYWHERE remote control client to connect the
> > host running pcANYWHERE, at first the statu bar appears
> > "pcANYWHERE connecting..." ,then the login window will
> > appear;
> > but if we press "Cancel" before the login window appears,
> > the pcANYWHERE service will be crashed. We can't connect
> > the host via pcANYWHERE client any longer.
> I had to repeat the 'connect, cancel, wait, reconnect, cancel, wait,
> reconnect' process a few times to successfully crash the service.  The
> first time I waited a few seconds to see if it would restart itself.... and
> it did!  I was able to connect again.  But when I did the same DoS again,
> it never came back.
>
> > if host running pcANYWHERE 9.0, We can restore the service
> > by the following steps:
> > telnet host 5631
> > appers:
> > }
> > Please press <Enter>...
> >
> > then press Enter
> > We can connect pcANYWHERE now :)
> Not on my end:
>
> [schulte () unix-box schulte]$ telnet win.box.with.pca9 5631
> Trying win.box.with.pca9...
> Connected to win.box.with.pca9.
> Escape character is '^]'.
> Connection closed by foreign host.
>
> I was unable to restart the service via this method.  Since this machine
> was local to me, it's not an issue.  However, this could present some
> obvious problems with my various co-located boxes.......
>
> I assume symantec has been contacted?
>
>
> --
> Christopher Schulte | christopher () schulte org
> cell:612.986.4859   | home:651.225.4557 | fax: 651.315.3339
> page:612.264.1115   | free:877.271.9245 | site:schulte.org