[USN-1959-1] RealtimeKit vulnerability
Marc Deslauriers
marc.deslauriers at canonical.com
Wed Sep 18 15:07:42 UTC 2013
==========================================================================
Ubuntu Security Notice USN-1959-1
September 18, 2013
rtkit vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
Summary:
RealtimeKit could be tricked into bypassing polkit authorizations.
Software Description:
- rtkit: Realtime Policy and Watchdog Daemon
Details:
It was discovered that RealtimeKit was using polkit in an unsafe manner. A
local attacker could possibly use this issue to bypass intended polkit
authorizations.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 13.04:
rtkit 0.10-2ubuntu0.13.04.1
Ubuntu 12.10:
rtkit 0.10-2ubuntu0.12.10.1
Ubuntu 12.04 LTS:
rtkit 0.10-2ubuntu0.12.04.1
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1959-1
CVE-2013-4326
Package Information:
https://launchpad.net/ubuntu/+source/rtkit/0.10-2ubuntu0.13.04.1
https://launchpad.net/ubuntu/+source/rtkit/0.10-2ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/rtkit/0.10-2ubuntu0.12.04.1
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