bugGKSu - Bugs: bug #25114, Security: running gksu(do) on...

 
 

bug #25114: Security: running gksu(do) on another display

Submitter:  None
Submitted:  Wed 17 Dec 2008 04:13:06 PM UTC
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open
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Wed 17 Dec 2008 04:13:06 PM UTC, original submission:  

If you open a terminal another place than your current desktop and log on with the same user you are able to make gksudo run on the other display doing something like the following:

$ export DISPLAY=:0.0
$ gksudo sh damagingScript.sh

This can be used to get unauthorized root-access and should be prevented.

Eg. if you're somehow able to get access to an user account (ie. through an ftp bug) you would be able to show the gksudo on another display and if the script running is named something with update most users would probably think it's ok and type the password.

// Rohde Fischer, -email is unavailable-

Anonymous

 

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