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Re: emacsclient socket ownership

From: Stefan Monnier
Subject: Re: emacsclient socket ownership
Date: Fri, 02 Nov 2018 16:30:12 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

>> I'm sure we can come up with scenarios where this problem can
>> be exploited.
> Yes, me too.  Let's close the hole.

Not sure how, tho: as mentioned, just checking that the socket is owned
by root might not be sufficient (the attacker may have just put
a symlink to some other socket that belongs to root but that really
doesn't expect the kind of data emacsclient sends).


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