Your Distro is Insecure: Ubuntu

Ante Karamatić ivoks at
Tue Apr 14 16:46:16 UTC 2009

U Uto, 14. 04. 2009., u 09:23 -0700, Kees Cook je napisao/la:

> On Tue, Apr 14, 2009 at 06:09:39PM +0200, Ante Karamati?? wrote:
> > Next are users with /bin/bash. If those users would have /bin/false,
> > they won't be able to run jobs from cron.
> The idea that setting a shell makes a service user vulnerable to
> exploitation is ridiculous.  If a service were exploited, the attacker
> would have arbitrary code control, and could spawn whatever program they
> wanted, regardless of the configured shell.

That's correct. Anyway, my claim that a user wouldn't be able to use
cron if it has /bin/false shell, is wrong.

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