USN-4134-1: IBus vulnerability

USN-4134-1: IBus vulnerability

ibus vulnerability

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

  • Ubuntu 19.04
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS

Summary

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

Software Description

  • ibus – Intelligent Input Bus – core

Details

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
ibus1.5.19-1ubuntu2.1
Ubuntu 18.04 LTS
ibus1.5.17-3ubuntu5.1
Ubuntu 16.04 LTS
ibus1.5.11-1ubuntu2.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4134-1: IBus vulnerability

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