OSEC

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Bugtraq archives for 3rd quarter (Jul-Sep) 1998: Re: 1+2=3, +++ATH0=Old school DoS

Re: 1+2=3, +++ATH0=Old school DoS

Pete Gonzalez (gonzJEFFERSON.ML.ORG)
Mon, 28 Sep 1998 02:36:40 -0400 

> At that point, the whole issue became moot and the production of modems
> that didn't require a pause after the "+++" stopped.
> Today, it's rare to find a modem that responds to the attack unless there
> happens to be a long pause in the data stream after the "+++". Most ISPs
> program their modems to ignore the "+++" sequence,

I have a Diamond SupraExpress 56k modem (purchased a month ago) which
dials an Erol's account.  I tried the exploit posted by Max Schau, and it
worked first try.

Also, it occurs to me that this vulnerability could possibly be used to
make the person's modem hang up and dial 911.  :-)

                                                -Pete