Krfb usage changes keyboard behaviour system wide - also when closed!

Bug #1023890 reported by Sasa Paporovic
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
kdenetwork (Ubuntu)
New
Undecided
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Bug Description

I am using Krfb as server for enabling remote access to this Ubuntu12.04 64bit machine.

The problem is that sometimes remote sessions changes the keybord layout completely on this remote machine.

The changes keeps persistent, also when all remote connections are closed and Krfb is quitted.

This is a violation of what Krfb should be allowed to do.

---------------------------------------------------------------------

Steps to reproduce:

1. Enable krfb access over Menu -> Settings- > acces to workspace -> Security -> uninvited connections (setting a phassphrase there)

2.Use a scond computer and start the remote client programm krdc(I have used SLE Desktop 11 SP2 64bit with krdc4.3.5)

3. Connect (over LAN 198.127.1.x) to the Ubuntu 12.04 krfb server machine and give your phasprase.

4.Confirm the incomming connection on the Ubuntu12.04 krfb server machine

5.Operate from the client(SLED11SP2) on the server(Ubuntu12.04): Start virtualbox4.1.18(ppa of Felix Greyer)-> Start a Ubuntu12.10Quantal64bit vm on the server -> operate from remote client(SLED11SP2) in the vm(Ubuntu12.10):terminal,phasprases,synaptic,etc.)

6.After a while you will see that the keyborad layout works not normal(very cryptic, wrong key set, big changes to litte and invers).

7. This is not fully reproducible in time, so you will need to operate a while arround.

I have hit this on two operating attemts two times.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: krfb 4:4.8.4-0ubuntu0.1
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Uname: Linux 3.2.0-27-generic x86_64
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
Date: Thu Jul 12 14:35:10 2012
ExecutablePath: /usr/bin/krfb
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64+mac (20120328)
ProcEnviron:
 PATH=(custom, no username)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: kdenetwork
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Sasa Paporovic (melchiaros) wrote :
Revision history for this message
Sasa Paporovic (melchiaros) wrote :

The problem might be security related, because the keyboard layout change is not introduced by the user at any time and happends just on running the remote connection.

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