USN-1576-1: DBus vulnerability

Releases

• Ubuntu 12.04
• Ubuntu 11.10
• Ubuntu 11.04
• Ubuntu 10.04
• Ubuntu 8.04

Packages

• 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 8.04

• dbus - 1.1.20-1ubuntu3.7
• libdbus-1-3 - 1.1.20-1ubuntu3.7

Ubuntu 12.04

• 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

• dbus - 1.2.16-2ubuntu4.5
• libdbus-1-3 - 1.2.16-2ubuntu4.5

In general, a standard system update will make all the necessary changes.

References

• CVE-2012-3524

Related notices

• USN-1576-2: dbus, libdbus-1-3