[USN-4134-1] IBus vulnerability

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[USN-4134-1] IBus vulnerability

Ubuntu Security Notice USN-4134-1
September 16, 2019

ibus vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS


IBus would allow local users to capture key strokes of other locally logged
in users.

Software Description:
- ibus: Intelligent Input Bus - core


Simon McVittie discovered that IBus did not enforce appropriate access
controls on its private D-Bus socket. A local unprivileged user who
discovers the IBus socket address of another user could exploit this to
capture the key strokes of the other user.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
  ibus                            1.5.19-1ubuntu2.1

Ubuntu 18.04 LTS:
  ibus                            1.5.17-3ubuntu5.1

Ubuntu 16.04 LTS:
  ibus                            1.5.11-1ubuntu2.2

After a standard system update you need to reboot your computer to make
all the necessary changes.


Package Information:

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