Package: util-linux
Version: 2.20.1-5

I'm reporting this bug against util-linux, which seems to be the
source package for the affected packages related to the libuuid user:

* libuuid1
* uuid-runtime

Both of these packages manage the "libuuid" user. However, neither one
of the sets a shell for the user. From the postinst scripts for both:

$ grep useradd /var/lib/dpkg/info/libuuid1\:amd64.postinst
   useradd -d /var/lib/libuuid -K UID_MIN=$FIRST_SYSTEM_UID -K
UID_MAX=$LAST_SYSTEM_UID -g libuuid libuuid

$ grep useradd /var/lib/dpkg/info/uuid-runtime.postinst
   useradd -d /var/lib/libuuid -K UID_MIN=1 -K UID_MAX=499 -g libuuid libuuid

These postinst scripts should have a "-s /usr/sbin/nologin" (or
/bin/false), because this is clearly a "system" user - the home
directory is in /var/lib, and the UID/GID are set to a low range.

It would also be nice if the package included documentation that
indicates why this user is needed, and what purpose this directory
serves. I tried reading the util-linux source, but I couldn't find a
definitive answer to this.

I don't have a Debian system at the moment. I found this bug on
Ubuntu, and reported it on launchpad, but I wanted to make sure that a
similar bug was opened in Debian for tracking. Launchpad bug link for
reference is:

https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1454897

Thank you


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