Ubuntu Security Notice USN-1176-1
26th July, 2011
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS
DBus could be made to crash if it processed a specially crafted message.
- dbus - simple interprocess messaging system
It was discovered that DBus did not properly validate the byte order of
messages under certain circumstances. An attacker could exploit this to
cause a denial of service via application crash or potentially obtain
access to sensitive information.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 11.04:
- dbus 1.4.6-1ubuntu6.1
- Ubuntu 10.10:
- dbus 1.4.0-0ubuntu1.3
- Ubuntu 10.04 LTS:
- dbus 1.2.16-2ubuntu4.3
- Ubuntu 8.04 LTS:
- dbus 1.1.20-1ubuntu3.5
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.