Ubuntu Security Notice 1874-1 - Alexandru Cornea discovered that DBus incorrectly handled certain messages. A local attacker could use this issue to cause system services to crash, resulting in a denial of service.
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Ubuntu Security Notice USN-1874-1
June 13, 2013
dbus vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
Summary:
DBus could be made to crash if it received specially crafted input.
Software Description:
- dbus: simple interprocess messaging system
Details:
Alexandru Cornea discovered that DBus incorrectly handled certain messages.
A local attacker could use this issue to cause system services 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 13.04:
libdbus-1-3 1.6.8-1ubuntu6.1
Ubuntu 12.10:
libdbus-1-3 1.6.4-1ubuntu4.1
Ubuntu 12.04 LTS:
libdbus-1-3 1.4.18-1ubuntu1.4
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1874-1
CVE-2013-2168
Package Information:
https://launchpad.net/ubuntu/+source/dbus/1.6.8-1ubuntu6.1
https://launchpad.net/ubuntu/+source/dbus/1.6.4-1ubuntu4.1
https://launchpad.net/ubuntu/+source/dbus/1.4.18-1ubuntu1.4