Ubuntu Security Notice 2304-1 - It was discovered that kauth was using polkit in an unsafe manner. A local attacker could possibly use this issue to bypass intended polkit authorizations.
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Ubuntu Security Notice USN-2304-1
July 31, 2014
kde4libs vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
kauth could be tricked into bypassing polkit authorizations.
Software Description:
- kde4libs: KDE 4 core applications and libraries
Details:
It was discovered that kauth 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 14.04 LTS:
kdelibs5-plugins 4:4.13.2a-0ubuntu0.3
Ubuntu 12.04 LTS:
kdelibs5-plugins 4:4.8.5-0ubuntu0.4
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2304-1
CVE-2014-5033
Package Information:
https://launchpad.net/ubuntu/+source/kde4libs/4:4.13.2a-0ubuntu0.3
https://launchpad.net/ubuntu/+source/kde4libs/4:4.8.5-0ubuntu0.4