Re: Disturbing news..

Jesse Pollard
2001-03-28T14:44:12Z

--------- Received message begins Here ---------

>
> On Wed, Mar 28, 2001 at 06:08:15AM -0600, Jesse Pollard wrote:
> > Sure - very simple. If the execute bit is set on a file, don't allow
> > ANY write to the file. This does modify the permission bits slightly
> > but I don't think it is an unreasonable thing to have.
>
> Even easier method - remove the write permission bits from all executable
> files, and don't do the unsafe thing of running email/web browsers/other
> user-type stuff as user root.
>
> If it still worries you that root can write to files without the 'w' bit
> set, modify the capabilities of the system to prevent it (there is a bit
> that can be set which will remove this ability for all new processes).

How about just adding MLS ... :-)

-------------------------------------------------------------------------
Jesse I Pollard, II
Email: pollard@navo.hpc.mil

Any opinions expressed are solely my own.