Ubuntu Security Notice 1138-2 - USN-1138-1 fixed a vulnerability in DBus-GLib. NetworkManager and ModemManager required rebuilding against the updated DBus-GLib to incorporate the changes. It was discovered that DBus-GLib did not properly verify the access flag of exported GObject properties under certain circumstances. A local attacker could exploit this to bypass intended access restrictions or possibly cause a denial of service.
3a419fab7b32032bd3eaa04ad96c2f47ef0907a28bc4afa4493a9cb97e3c90e9
==========================================================================
Ubuntu Security Notice USN-1138-2
May 27, 2011
network-manager, modemmanger update
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS
Summary:
An attacker could send crafted input to NetworkManager and ModemManager
and cause them to crash.
Software Description:
- modemmanager: Modem connection manager
- network-manager: Network connection manager
Details:
USN-1138-1 fixed a vulnerability in DBus-GLib. NetworkManager and
ModemManager required rebuilding against the updated DBus-GLib to
incorporate the changes.
Original advisory details:
It was discovered that DBus-GLib did not properly verify the access flag of
exported GObject properties under certain circumstances. A local attacker
could exploit this to bypass intended access restrictions or possibly
cause a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 10.04 LTS:
libnm-glib2 0.8-0ubuntu3.2
modemmanager 0.3-0ubuntu2.2
Ubuntu 8.04 LTS:
libnm-glib0 0.6.6-0ubuntu5.8.04.3
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://launchpad.net/bugs/616517
Package Information:
https://launchpad.net/ubuntu/+source/modemmanager/0.3-0ubuntu2.2
https://launchpad.net/ubuntu/+source/network-manager/0.8-0ubuntu3.2
https://launchpad.net/ubuntu/+source/network-manager/0.6.6-0ubuntu5.8.04.3