Re: eval and security

[Philipp Stephani]

<tomas@tuxteam.de> schrieb am Mo., 24. Okt. 2016 um 14:32 Uhr:

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> On Mon, Oct 24, 2016 at 02:20:44PM +0200, Andreas Röhler wrote:
> > Hi,
> >
> > remember a saying like "avoid calls like (eval 'my-symbol) in
> > lisp-code" as related to security issues.
> >
> > Is there some reading to learn more? Maybe I'm mistaking something?
>
> Perhaps because a randomly downloaded package can redefine 'my-symbol
> to be something evil?
>

Randomly downloaded packages can just say
(eval-when-compile (shell-command "rm -rf /"))
No need to override symbols to do something evil.