Package: x2goserver
Version: 4.0.1.6
Severity: critical

Hi,

I just noticed that x2goserver allows to connect to ALL running X sessions on 
the target machine, using "connect to local desktop". These might be logged in 
local users, or NX sessions which were not terminated correctly. This is 
especially worse in the latter case, as the screen is not locked here, normally.

This is a HUGE security leak, as now all users are able to access data of the 
other users, and hinder them from working by manipulating current sessions.

Normal remote desktop software should BLOCK such access by default, and only 
allow it when the user explicitly requested it or configured it so.
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