GNU bug report logs - #28350
CVE-2017-14482: enriched.el code execution

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Package: emacs;

Reported by: charles <at> aurox.ch (Charles A. Roelli)

Date: Mon, 4 Sep 2017 19:26:01 UTC

Severity: important

Tags: security

Found in versions 25.1, 23.1, 21.4, 23.2, 21.2, 22.3, 24.3, 21.1, 21.3, 24.1, 24.5, 25.2, 24.2, 23.4, 22.1, 23.3, 24.4, 22.2

Fixed in version 25.3

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #63 received at 28350 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: "Charles A. Roelli" <charles <at> aurox.ch>, 28350 <at> debbugs.gnu.org
Subject: Re: bug#28350: enriched.el code execution
Date: Mon, 11 Sep 2017 12:32:38 -0400
Eli Zaretskii wrote:

>> At this point it seems that unsafe display specs are more the
>> exception than the rule, so it might make sense to define the
>> `enriched-display-prop-safe-p' function by excluding the unsafe
>> specifications instead of including the safe ones.  What do you
>> think?
>
> I'm not sure.  The display spec can be complex, so to make sure none
> of these exceptions sneak through, you will have to recursively unpack
> the spec data structure and examine each of the elements, which smells
> too similar to emulating 'eval'.  No?

FWIW, there is 'unsafep'.




This bug report was last modified 7 years and 245 days ago.

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