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Date: Thu, 6 Jul 2017 15:49:39 -0600
From: Kurt Seifried <>
To: oss-security <>,,
Subject: Re: systemd fails to parse user that should run service

On Sun, Jul 2, 2017 at 3:08 AM, Daniel SkowroĊ„ski <> wrote:

> Hi all,
> Just wanted to bring attention to issue with systemd not doing what is
> expected when parsing User that should run service.
> When it fails to parse string starting with digit it fails back to root
> causing obvious threat to security.
> See discussion with developer on github:
> systemd/issues/6237
> Best,
> -Daniel Skowronski

I've assigned CVE-2017-1000082 for this issue. Lennart is CC'ed.

v233 and earlier fails to safely parse usernames starting with a numeric
digit (e.g. \"0day\"), running the service in quesiton with root privileges
rather than the user


Kurt Seifried -- Red Hat -- Product Security -- Cloud
PGP A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
Red Hat Product Security contact:

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