Ubuntu Security Notice 1753-1 - Sebastian Krahmer and Bastien Nocera discovered that DBus-GLib did not properly validate the message sender when the "NameOwnerChanged" signal was received. A local attacker could possibly use this issue to escalate their privileges.
9ce1ac4e5f067377afdafd7442b6e3c1e4f0943a1f5f93e3180598e214b52378
============================================================================
Ubuntu Security Notice USN-1753-1
February 27, 2013
dbus-glib vulnerability
============================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS
Summary:
An attacker could send crafted input to applications using DBus-GLib and
possibly escalate privileges.
Software Description:
- dbus-glib: simple interprocess messaging system
Details:
Sebastian Krahmer and Bastien Nocera discovered that DBus-GLib did not
properly validate the message sender when the "NameOwnerChanged" signal was
received. A local attacker could possibly use this issue to escalate their
privileges.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.10:
libdbus-glib-1-2 0.100-1ubuntu0.1
Ubuntu 12.04 LTS:
libdbus-glib-1-2 0.98-1ubuntu1.1
Ubuntu 11.10:
libdbus-glib-1-2 0.94-4ubuntu0.1
Ubuntu 10.04 LTS:
libdbus-glib-1-2 0.84-1ubuntu0.3
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1753-1
CVE-2013-0292
Package Information:
https://launchpad.net/ubuntu/+source/dbus-glib/0.100-1ubuntu0.1
https://launchpad.net/ubuntu/+source/dbus-glib/0.98-1ubuntu1.1
https://launchpad.net/ubuntu/+source/dbus-glib/0.94-4ubuntu0.1
https://launchpad.net/ubuntu/+source/dbus-glib/0.84-1ubuntu0.3