From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#37744: Per-user profile directory hijack (CVE-2019-17365 for Nix)
Date: Wed, 16 Oct 2019 08:57:05 +0200
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In-Reply-To: <87mue2nkrj.fsf@nckx> (Tobias Geerinckx-Rice's message of "Tue,
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To: Tobias Geerinckx-Rice <me@tobias.gr>
Cc: 37744@debbugs.gnu.org, guix-security@gnu.org

Hi Tobias,

Tobias Geerinckx-Rice <me@tobias.gr> skribis:

> No, I ask it nicely: =E2=80=98hullo daemon, I'm, er, "ludo"=E2=80=99.
>
> Of course the remote daemon doesn't trust me beyond pre-creating an
> empty per-user directory owned by the local "ludo" user only if such a
> user exists.  It doesn't even report succes or failure to avoid
> leaking valid user names.

Ah you=E2=80=99re right, the worst that can happen is that an empty directo=
ry is
created for someone else.  Sounds like a plan.

Ludo=E2=80=99.