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CVE-2019-14822

Published: 13 September 2019

A flaw was discovered in ibus in versions before 1.5.22 that allows any unprivileged user to monitor and send method calls to the ibus bus of another user due to a misconfiguration in the DBus server setup. A local attacker may use this flaw to intercept all keystrokes of a victim user who is using the graphical interface, change the input method engine, or modify other input related configurations of the victim user.

From the Ubuntu security team

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.

Priority

Medium

CVSS 3 base score: 7.1

Status

Package Release Status
ibus
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.5.17-3ubuntu5.3)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1.5.11-1ubuntu2.4)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://github.com/ibus/ibus/commit/3d442dbf936d197aa11ca0a71663c2bc61696151