various sddm vulnerabilities

[Sebastian Krahmer <krahmer () suse de>]

Hi

During review we found several issues in the sddm
display manager which allow local users to obtain
root privileges. More on this is here:

https://bugzilla.suse.com/show_bug.cgi?id=897788

Sebastian

-- 

~ perl self.pl
~ $_='print"\$_=\47$_\47;eval"';eval
~ krahmer () suse de - SuSE Security Team