Re: FlowPoint DSL router vulnerability

From: shusaku (shusakuat_private)
Date: Tue Aug 10 1999 - 23:18:37 PDT

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    solution to this 'vulnerability'?
    
    ...first
    addTelnetFilter xxx.xxx.xxx.xx1 xxx.xxx.xxx.xxL
    ...then
    addSMTPFilter xxx.xxx.xxx.xx1 xxx.xxx.xxx.xxL
    	
    ->where ...1 is the starting IP of your LAN
    	->and ...L is the LAST address locally - no public access?
    
    At 07:19 AM 8/10/99 -0400, you wrote:
    >At 12:07 PM 8/7/99 -0400, Scott Drassinower wrote:
    >>It involves a bug that allows a password recovery feature to be utilized
    >>from the LAN or WAN instead of just the serial console port.
    >>
    >>Basically, throwing enough 6 digit numbers at a pre-3.0.8 router will
    >>allow you to get access to the box to do whatever you want.  It appears as
    >>if the problem started in 3.0.4, but I am not totally certain about that.
    >
    >So the vulnerability is essentially a brute force against telnet/snmp?
    >Assuming you filter those out, is there another way of accessing?
    >
    >>--
    >>  Scott M. Drassinower
    scottdat_private
    >>  Cloud 9 Consulting, Inc.                                    White
    Plains, NY
    >>  +1 914 696-4000
    http://www.cloud9.net
    >>
    >>On Thu, 5 Aug 1999, Matt wrote:
    >>
    >> > The following URL contains information about a firmware upgrade for
    >> > FlowPoint DSL routers that fixes a possible "security compromise".
    >> > FlowPoint has chosen not to release ANY information whatsoever about the
    >> > vulnerability. I was curious if anyone had any more information
    >> > about this vulnerability than what FlowPoint is divulging.
    >> >
    >> > http://www.flowpoint.com/support/techbulletin/sec308.htm
    >> >
    >> > thnx
    >> >
    >> > --
    >> > I'm not nice, I'm vicious--it's the secret of my charm.
    >> >
    >
    >--
    >PGP Key can be found at http://www.panix.com/~budke/pgp/budke_budke_com.txt
    >
    



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