GNU bug report logs - #51733
27.1; Detect impossible email addresses better

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Packages: emacs, gnus;

Reported by: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>

Date: Wed, 10 Nov 2021 00:29:01 UTC

Severity: wishlist

Found in version 27.1

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: 51733 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#51733: 27.1; Detect impossible email addresses better
Date: Wed, 19 Jan 2022 15:09:54 +0100

Andreas Schwab <schwab <at> linux-m68k.org> writes:

> The why not allow to run the textsec on the decoded header directly?

Consider somebody sending you an email containing @", characters in the
name part, and then you decode the address, and then run the parsing
function.  The attacker would then have a wide attack surface to trick
the checker into checking the wrong parts of the address.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
This bug report was last modified 3 years and 124 days ago.

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