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Ubuntu Security Notice USN-1561-1
September 10, 2012

ubiquity-slideshow-ubuntu vulnerability
============================================================================

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

- Ubuntu 12.04 LTS

Summary:

ubiquity-slideshow-ubuntu would allow unintended access to files over the
network during system installation.

Software Description:
- ubiquity-slideshow-ubuntu: Ubiquity slideshow for Ubuntu

Details:

Paul Mutton discovered that ubiquity-slideshow-ubuntu incorrectly handled
the Twitter feed displayed during system installation. A remote attacker
could use this flaw to inject code into the Twitter feed and read arbitrary
files off the filesystem during system installation. This flaw has been
resolved in the Ubuntu 12.04.1 LTS installation images by disabling the
Twitter feed.

Update instructions:

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

Ubuntu 12.04 LTS:
  ubiquity-slideshow-ubuntu       58.2

Use of the Ubuntu 12.04.1 LTS installation images is required to resolve
this issue.

References:
  http://www.ubuntu.com/usn/usn-1561-1
  CVE-2012-0956

Package Information:
  https://launchpad.net/ubuntu/+source/ubiquity-slideshow-ubuntu/58.2