Re: RFC: Fixing the "nobody" user?

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On Mon, Jul 18, 2016 at 2:45 PM, Sam Varshavchik <mrsam@xxxxxxxxxxxxxxx> wrote:
> Lennart Poettering writes:
>
>> On Fedora, we currently have a "nobody" user that is defined to UID
>> 99. It's defined unconditionally like this. To my knowledge there's no
>> actual use of this user at all in Fedora however.
>
>
> I see distccd running as the nobody user.
>
> I also see dnsmasq running as the nobody user.

This practice needs to end.  For example, unless the offending code
uses a PID namespace, you can ptrace another 'nobody' process, steal
an fd pointing out of the chroot, and break out.
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