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Re: [PATCH] gnu: ntfs-3g: Fix CVE-2017-0358.

From: Marius Bakke
Subject: Re: [PATCH] gnu: ntfs-3g: Fix CVE-2017-0358.
Date: Fri, 10 Feb 2017 00:07:35 +0100
User-agent: Notmuch/0.23.5 ( Emacs/25.1.1 (x86_64-unknown-linux-gnu)

Leo Famulari <address@hidden> writes:

> On Thu, Feb 09, 2017 at 11:39:42PM +0100, Marius Bakke wrote:
>> Kei Kebreau <address@hidden> writes:
>> > Reviewers, how does this patch look to you?
>> AFAIU from CVE-2017-0358, ntfs-3g is only vulnerable when installed
>> setuid root, which is not the case on guix.
>> FWIW Debian do not carry this patch, but have fixed the CVE according to
>> the changelog. So I doubt this patch is necessary.
> There have been a couple security-related bugs publicized recently that
> are only dangerous when the software is installed setuid root.
> Although we don't do that by default, system administrators can do it on
> GuixSD. I also think that Guix is valuable as a distribution mechanism
> of free source code, and we should fix bugs for that use case.
> So, I was thinking that we should fix these bugs unless they require
> grafting, and then we should fix them in core-updates.

That does make a lot of sense. Reading up on execl(3), it looks like
this patch does the right thing and can't hurt even when not setuid.

Mind=changed! :P 

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