Ubuntu Security Update USN-4398-2: DBus vulnerability

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dbus vulnerability


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

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM
Summary


DBus could be made to crash if it received specially crafted input.

Software Description

  • dbus - simple interprocess messaging system
Details


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.

Update instructions


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

Ubuntu 14.04 ESM
libdbus-1-3 - 1.6.18-0ubuntu4.5+esm2
Ubuntu 12.04 ESM
libdbus-1-3 - 1.4.18-1ubuntu1.10

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


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