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USN-1465-2: Ubuntu One storage protocol update

6 June 2012

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

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

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 machine-in-the-middle attack, this flaw could be exploited to
alter or compromise confidential information.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.04

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

References

Related notices

  • USN-1465-3: ubuntuone-client, python-ubuntuone-client
  • USN-1465-1: ubuntuone-client, python-ubuntuone-client