GNU bug report logs - #28618
Emacs respects $HOME, even when user is root

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Message #44 received at 28618 <at> debbugs.gnu.org (full text, mbox):

From: Dor Azouri <dor.azouri <at> safebreach.com>
To: Noam Postavsky <npostavs <at> users.sourceforge.net>, Glenn Morris <rgm <at> gnu.org>
Cc: 28618 <at> debbugs.gnu.org
Subject: Re: bug#28618: Emacs Security Issue
Date: Sun, 01 Oct 2017 15:27:58 +0000

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Thanks for checking this problem.
I am convinced by the comments that this is not a pure Emacs issue, though
a step can still be taken to help users protect from this abuse.

For example, Notepad++ on Windows does not load user plugins (located in
AppData) when run as Administrator - unless an Administrator explicitly
puts a specific file in the protected installation directory
("allowAppDataPlugins.xml").

Best,
Dor Azouri


On Sat, Sep 30, 2017 at 1:55 AM Noam Postavsky <
npostavs <at> users.sourceforge.net> wrote:

> tags 28618 - unreproducible
> tags 28618 + notabug
> quit
>
> Glenn Morris <rgm <at> gnu.org> writes:
>
> > On some systems, sudo may preserve HOME by default. Or it may be
> > optional behaviour with "sudo -E" (eg on Debian 8, it seems).
>
> Ah, that explains the discrepancy then (it's the same with Debian 9,
> which I'm using here).
>
> > Ref eg
> >
> >
> https://security.stackexchange.com/questions/18369/issues-with-preserving-home-on-sudo
> >
> > As it stands, I don't think this is an Emacs issue.
>
> I agree.
>

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