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From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
To: Leo Famulari <leo@famulari.name>
Cc: guix-devel <guix-devel@gnu.org>
Subject: Re: CVE-2017-2616 in `su`
Date: Thu, 23 Feb 2017 19:03:58 -0800	[thread overview]
Message-ID: <CAN-vT6Twz-nenYOfBnxb5=QZ9j89-Asu45hEpXXZ2eQV3SE+QQ@mail.gmail.com> (raw)
In-Reply-To: <20170223210410.GA24019@jasmine>

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Thanks, Leo!

Maxim

On Thu, Feb 23, 2017 at 1:04 PM, Leo Famulari <leo@famulari.name> wrote:

> In commit 1c851cbe0c562894bd38c0f9f39d12be306b3e59 I added a patch
> to the shadow package that fixes CVE-2017-2616 in `su`.
>
> This bug makes it possible for any local user to send SIGKILL to other
> processes with root privileges. For example, you could use this bug to
> make another user's screen locker exit.
>
> It is recommended to update your GuixSD systems, since shadow provides
> `su` on GuixSD.
>
> More information:
>
> https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2616
> http://seclists.org/oss-sec/2017/q1/490
> http://seclists.org/oss-sec/2017/q1/474
> https://github.com/shadow-maint/shadow/commit/
> 08fd4b69e84364677a10e519ccb25b71710ee686
>
> I also fixed the bug in util-linux by grafting this patch:
>
> https://github.com/karelzak/util-linux/commit/
> dffab154d29a288aa171ff50263ecc8f2e14a891
>

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      reply	other threads:[~2017-02-24  3:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-23 21:04 CVE-2017-2616 in `su` Leo Famulari
2017-02-24  3:03 ` Maxim Cournoyer [this message]

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