root::0:0:root:/root:/bin/bash !?!

[Arnaud Abélard]

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Hello,

I just noticed that the default /etc/passwd file installed by the
package  setup-2.5.33-1.noarch.rpm (on a FC2, i don't know about FC1 and
FC3 yet) contains the line root::0:0:root:/root:/bin/bash.

This means that root is a passwdless account but nevetheless useable,
with a valid shell. When installing the package in a chroot, for a
vserver, uml, or whatever this creates a very serious security hazard!

I know this is not normally a problem, because anaconda will force the
user to set a password. But the package isn't always installed by
anaconda during a normal installation from a media. In the case of a
manual relocated installation on the purpose to create a chroot
environment this is a real problem.


Arnaud Abélard

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