[USN-4398-2] DBus vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Tue Jun 16 19:33:01 UTC 2020
Ubuntu Security Notice USN-4398-2
June 16, 2020
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
DBus could be made to crash if it received specially crafted input.
- dbus: simple interprocess messaging system
USN-4398-1 fixed a vulnerability in DBus. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
Kevin Backhouse discovered that DBus incorrectly handled file descriptors.
A local attacker could possibly use this issue to cause DBus to crash,
resulting in a denial of service.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
Ubuntu 12.04 ESM:
After a standard system update you need to reboot your computer to make
all the necessary changes.
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