[Bug 89906] kblankscrn.kss refuses to unlock accounts with blank password

[Mark Jenkins]

Public bug reported:

Binary package hint: kdebase-bin

A user account can have a blank password. To set it to blank
# passwd -d username

GDM uses PAM for authentication, and PAM will allow users with blank
passwords to authenticate in certain situations if nullok_secure in
/etc/pam.d/common-auth is changed to nullok.

After doing this it is posible to login to kde with a blank password. If
the sesison is locked, it will refuse to unlock.

/usr/bin/kblankscrn.kss is in kdebase-bin. Using 4:3.5.2-0ubuntu27
(dapper-security)

** Affects: kdebase (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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kblankscrn.kss refuses to unlock accounts with blank password
https://launchpad.net/bugs/89906