Ubuntu Security Notice USN-2425-1
27th November, 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 version:
- 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
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.