[Trisquel-security] [USN-1753-1] DBus-GLib vulnerability

[Marc Deslauriers]

==========================================================================
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


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