Subject: Re: [ADVISORY] 4.4BSD Securelevels (fwd)
To: Angelos D. Keromytis <>
From: Andrew Brown <>
List: current-users
Date: 06/26/1997 00:30:26
>>should we also consider that if you can get console access to a
>>machine that has ddb in the kernel, it's trivial to set the
>>securelevel to something arbitrary?
>Well, you don't need physical access to exploit this bug, AFAICT.

the one addressed in the advisory, no, but for the ddb thing you do.

>And if you can get physical access to a machine, you can pretty much
>do as you please with it, ddb or not.

perhaps i'm going a little too far here (ducks to avoid bricks) but it
seems to me that a machine that to which you have console access that
also has ddb is not much more secure than a dos machine...

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