| From: |
| Marc Deslauriers <marc.deslauriers@canonical.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-1576-1] DBus vulnerability |
| Date: |
| Thu, 20 Sep 2012 12:55:05 -0400 |
| Message-ID: |
| <1348160105.3307.179.camel@mdlinux> |
| Archive-link: |
| Article, Thread
|
==========================================================================
Ubuntu Security Notice USN-1576-1
September 20, 2012
dbus vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS
Summary:
DBus could be made to run programs as an administrator.
Software Description:
- dbus: simple interprocess messaging system
Details:
Sebastian Krahmer discovered that DBus incorrectly handled environment
variables when running with elevated privileges. A local attacker could
possibly exploit this flaw with a setuid binary and gain root privileges.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
dbus 1.4.18-1ubuntu1.1
libdbus-1-3 1.4.18-1ubuntu1.1
Ubuntu 11.10:
dbus 1.4.14-1ubuntu1.1
libdbus-1-3 1.4.14-1ubuntu1.1
Ubuntu 11.04:
dbus 1.4.6-1ubuntu6.2
libdbus-1-3 1.4.6-1ubuntu6.2
Ubuntu 10.04 LTS:
dbus 1.2.16-2ubuntu4.5
libdbus-1-3 1.2.16-2ubuntu4.5
Ubuntu 8.04 LTS:
dbus 1.1.20-1ubuntu3.7
libdbus-1-3 1.1.20-1ubuntu3.7
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1576-1
CVE-2012-3524
Package Information:
https://launchpad.net/ubuntu/+source/dbus/1.4.18-1ubuntu1.1
https://launchpad.net/ubuntu/+source/dbus/1.4.14-1ubuntu1.1
https://launchpad.net/ubuntu/+source/dbus/1.4.6-1ubuntu6.2
https://launchpad.net/ubuntu/+source/dbus/1.2.16-2ubuntu4.5
https://launchpad.net/ubuntu/+source/dbus/1.1.20-1ubuntu3.7
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