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Date: Wed, 7 Nov 2012 00:37:25 +1100
From: David Black <>
To: oss-security <>
Subject: Re: TTY handling when executing code in different lower-privileged
 context (su, virt containers)

>In both cases, paranoid administrators might decide to use /dev/null
>as stdin/stdout/stderr when just starting non-interactive programs in
>different context, while they could replace the privileged shell with
>exec when interactive context switch is needed (no shell, no escalation).
>Any opinions on that?

Perhaps if sudo/su determine if a user is running 'interactively' they
could use a pseudo-pty ?

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