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Ubuntu Security Notice USN-2425-1

Ubuntu Security Notice USN-2425-1
Posted Nov 28, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2425-1 - It was discovered that DBus incorrectly handled a large number of file descriptor messages. A local attacker could use this issue to cause DBus to stop responding, resulting in a denial of service.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2014-7824
SHA-256 | df98e002d16cc210ffd23af3c713e5b075ae7b6a0974979d6b56caca058a00f6

Ubuntu Security Notice USN-2425-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-2425-1
November 27, 2014

dbus vulnerability
==========================================================================

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

DBus could be made to stop responding under certain conditions.

Software Description:
- dbus: simple interprocess messaging system

Details:

It was discovered that DBus incorrectly handled a large number of file
descriptor messages. A local attacker could use this issue to cause DBus to
stop responding, resulting in a denial of service. (CVE-2014-7824)

Update instructions:

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

Ubuntu 14.10:
dbus 1.8.8-1ubuntu2.1
libdbus-1-3 1.8.8-1ubuntu2.1

Ubuntu 14.04 LTS:
dbus 1.6.18-0ubuntu4.3
libdbus-1-3 1.6.18-0ubuntu4.3

Ubuntu 12.04 LTS:
dbus 1.4.18-1ubuntu1.7
libdbus-1-3 1.4.18-1ubuntu1.7

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

References:
http://www.ubuntu.com/usn/usn-2425-1
CVE-2014-7824

Package Information:
https://launchpad.net/ubuntu/+source/dbus/1.8.8-1ubuntu2.1
https://launchpad.net/ubuntu/+source/dbus/1.6.18-0ubuntu4.3
https://launchpad.net/ubuntu/+source/dbus/1.4.18-1ubuntu1.7


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