ubuntu-security-announce Digest, Vol 119, Issue 1

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Today's Topics:

1. [USN-2303-1] Unity vulnerability (Marc Deslauriers)
2. [USN-2304-1] KDE-Libs vulnerability (Marc Deslauriers)


----------------------------------------------------------------------

Message: 1
Date: Thu, 31 Jul 2014 09:37:11 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2303-1] Unity vulnerability
Message-ID: <53DA4687.30207@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2303-1
July 31, 2014

unity vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

The Unity lock screen could possibly be bypassed in certain circumstances.

Software Description:
- unity: Interface designed for efficiency of space and interaction.

Details:

It was discovered that in certain circumstances Unity failed to
successfully grab the keyboard when switching to the lock screen. A local
attacker could possibly use this issue to run commands, and unlock the
current session.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
unity 7.2.2+14.04.20140714-0ubuntu1.1

After a standard system update you need to restart your session to make all
the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2303-1
https://launchpad.net/bugs/1349128

Package Information:
https://launchpad.net/ubuntu/+source/unity/7.2.2+14.04.20140714-0ubuntu1.1


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Message: 2
Date: Thu, 31 Jul 2014 11:01:45 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2304-1] KDE-Libs vulnerability
Message-ID: <53DA5A59.2060805@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2304-1
July 31, 2014

kde4libs vulnerability
==========================================================================

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


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