Subject: Re: [X2Go-Dev] Bug#334: Don't allow users to override X2Go commands via ~/bin (or similar)

From: Mike Gabriel <[email-masked]>
Date: Tue, 29 Oct 2013 13:43:08 +0000

clone #334 -1
reassign #334 python-x2go
thanks

Hi all,

On  Di 29 Okt 2013 13:41:06 CET, Mike Gabriel wrote:

> Package: x2goclient
> Severity: important
>
> In X2Go it is currently possible to replace every command in X2Go  
> Server by a command of the same name in ~/bin.
>
> An attacker could use this to infiltrate X2Go Client with arbitrary data.
>
> IMHO, we should make sure, X2Go Client only uses system-wide paths  
> when evoking commands on X2Go Servers.
>
> This, of course, will boycott installing X2Go Server into ~<user>  
> space, but actually, I prefer a safe setup to such custom  
> installation tweaks.
>
> Feedback?!?
>
> Mike

This issue also applies to Python X2Go.

Mike
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