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Re: login: no shell: /bin/bash: Permission denied


On Wed, Mar 06, 2002 at 01:56:07PM -0800, Andrew DeFaria wrote:
> OK then, seems to me that su might be implementable by using a service 
> that runs as SYSTEM and takes requests to switch user from user A to 
> user B. Possible?

Sure.  It's exactly the way the user switch is implemented in 2K/XP.

> Regardless, to me it's still would be a large security hole if all one 
> needs to do is:
> 
> $ echo "+" > ~/.rhosts
> 
> to be able to abuse rsh to do something under somebody else's user ID is 
> it not?

It's the same on U*X.  If you don't care for the permissions of
your home directory you're out of luck.

And rsh is a dangerous service anyway.  If you don't want it,
just remove the matching line in /etc/inetd.conf and use ssh.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin@cygwin.com
Red Hat, Inc.

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