USN-4398-2: DBus vulnerability

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

Source: USN-4398-2: DBus vulnerability

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