Ubuntu 1465-3: Ubuntu One Client regression

    Date06 Jun 2012
    CategoryUbuntu
    62
    Posted ByLinuxSecurity Advisories
    Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.
    ==========================================================================
    Ubuntu Security Notice USN-1465-3
    June 06, 2012
    
    ubuntuone-client regression
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Fraudulent security certificates could allow sensitive information to
    be exposed when accessing the Internet.
    
    Software Description:
    - ubuntuone-client: Ubuntu One client
    
    Details:
    
    USN-1465-1 fixed vulnerabilities in Ubuntu One Client. The update failed to
    install on certain Ubuntu 10.04 LTS systems that had a legacy Python 2.5
    package installed. This update fixes the problem.
    
    We apologize for the inconvenience.
    
    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 10.04 LTS:
      python-ubuntuone-client         1.2.2-0ubuntu2.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1465-3
      http://www.ubuntu.com/usn/usn-1465-1
      CVE-2011-4409
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ubuntuone-client/1.2.2-0ubuntu2.3
    
    
    
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