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==========================================================================
Ubuntu Security Notice USN-1465-2
June 06, 2012

ubuntuone-storage-protocol 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

Summary:

Fraudulent security certificates could allow sensitive information to
be exposed when accessing the Internet.

Software Description:
- ubuntuone-storage-protocol: Python library for Ubuntu One file storage and sharing service

Details:

USN-1465-1 fixed a vulnerability in the Ubuntu One Client. This update adds
a required fix to the Ubuntu One storage protocol library.

Original advisory details:

 It was discovered that the Ubuntu One Client incorrectly validated server
 certificates when using HTTPS connections. If a remote attacker were able
 to perform a man-in-the-middle attack, this flaw could be exploited to
 alter or compromise confidential information.

Update instructions:

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

Ubuntu 12.04 LTS:
  python-ubuntuone-storageprotocol  3.0.0-0ubuntu1.1

Ubuntu 11.10:
  python-ubuntuone-storageprotocol  2.0.1-0ubuntu1.1

Ubuntu 11.04:
  python-ubuntuone-storageprotocol  1.6.1-0ubuntu1.2

Ubuntu 10.04 LTS:
  python-ubuntuone-storageprotocol  1.2.0-0ubuntu1.1

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

References:
  http://www.ubuntu.com/usn/usn-1465-2
  http://www.ubuntu.com/usn/usn-1465-1
  CVE-2011-4409

Package Information:
  https://launchpad.net/ubuntu/+source/ubuntuone-storage-protocol/3.0.0-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/ubuntuone-storage-protocol/2.0.1-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/ubuntuone-storage-protocol/1.6.1-0ubuntu1.2
  https://launchpad.net/ubuntu/+source/ubuntuone-storage-protocol/1.2.0-0ubuntu1.1



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