[Bug 296604] Re: Sugar-Emulator has no access control

Brian Murray brian at ubuntu.com
Tue Feb 16 21:37:56 GMT 2010

I imagine it was meant for the Ubuntu status and importance to be set to
Fix Released and Critical - not the upstream task which was unset by the
bug watch updater.

** Changed in: sugar (Ubuntu)
       Status: Triaged => Fix Released

** Changed in: sugar (Ubuntu)
   Importance: Low => Critical

Sugar-Emulator has no access control
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Status in Sugar Learning Platform: Confirmed
Status in “sugar” package in Ubuntu: Fix Released

Bug description:
Binary package hint: sugar

Sugar-Emulator uses the '-ac' flag in the Xephyr command line, with turns off access control. 

This means that anyone on the network can attach to the display/keyboard/mouse and interfer with the operation of Sugar (such as running xeyes, which goes full screen and can not be cancelled!).

With Xephyr on display :1
simon at destiny:~$ netstat -an
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State      
tcp        0      0  *               LISTEN         
tcp6       0      0 :::6001                 :::*                    LISTEN  


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