ubuntu-security-announce Digest, Vol 93, Issue 9

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Today's Topics:

1. [USN-1475-1] APT update (Jamie Strandboge)
2. [USN-1463-2] Unity 2D update (Micah Gersten)


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

Message: 1
Date: Thu, 14 Jun 2012 21:20:12 -0500
From: Jamie Strandboge <jamie@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1475-1] APT update
Message-ID: <1339726812.30653.52.camel@localhost>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-1475-1
June 15, 2012

apt update
==========================================================================

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:

APT now more thoroughly verifies imported keyrings.

Software Description:
- apt: Advanced front-end for dpkg

Details:

Georgi Guninski discovered that APT relied on GnuPG argument order and did
not check GPG subkeys when validating imported keyrings via apt-key
net-update. While it appears that a man-in-the-middle attacker cannot
exploit this, as a hardening measure this update adjusts apt-key to
validate all subkeys when checking for key collisions.

Update instructions:

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

Ubuntu 12.04 LTS:
apt 0.8.16~exp12ubuntu10.1

Ubuntu 11.10:
apt 0.8.16~exp5ubuntu13.4

Ubuntu 11.04:
apt 0.8.13.2ubuntu4.5

Ubuntu 10.04 LTS:
apt 0.7.25.3ubuntu9.12

Ubuntu 8.04 LTS:
apt 0.7.9ubuntu17.5

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

References:
http://www.ubuntu.com/usn/usn-1475-1
https://launchpad.net/bugs/1013128

Package Information:
https://launchpad.net/ubuntu/+source/apt/0.8.16~exp12ubuntu10.1
https://launchpad.net/ubuntu/+source/apt/0.8.16~exp5ubuntu13.4
https://launchpad.net/ubuntu/+source/apt/0.8.13.2ubuntu4.5
https://launchpad.net/ubuntu/+source/apt/0.7.25.3ubuntu9.12
https://launchpad.net/ubuntu/+source/apt/0.7.9ubuntu17.5


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Message: 2
Date: Fri, 15 Jun 2012 03:20:04 -0500
From: Micah Gersten <micah@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1463-2] Unity 2D update
Message-ID: <4FDAF034.7010300@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"

==========================================================================
Ubuntu Security Notice USN-1463-2
June 15, 2012

unity-2d update
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04

Summary:

Popup menus were not working in Firefox under Unity 2D.

Software Description:
- unity-2d: Unity interface for non-accelerated graphics cards

Details:

USN-1463-1 fixed vulnerabilities in Firefox. The Firefox update exposed a
bug in Unity 2D which resulted in Firefox being unable to obtain pointer
grabs in order to open popup menus. This update fixes the problem.

Update instructions:

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

Ubuntu 12.04 LTS:
unity-2d-panel 5.12.0-0ubuntu1.1

Ubuntu 11.10:
unity-2d-panel 4.12.0-0ubuntu1.2

Ubuntu 11.04:
unity-2d-panel 3.8.4.1-0ubuntu1.1

After a standard system update you need to restart your Unity 2D session to
make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1463-2
http://www.ubuntu.com/usn/usn-1463-1
https://launchpad.net/bugs/1010466

Package Information:
https://launchpad.net/ubuntu/+source/unity-2d/5.12.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/unity-2d/4.12.0-0ubuntu1.2
https://launchpad.net/ubuntu/+source/unity-2d/3.8.4.1-0ubuntu1.1





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