Ubuntu 2315-1: serf vulnerability

    Date14 Aug 2014
    CategoryUbuntu
    38
    Posted ByLinuxSecurity Advisories
    Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.
    ==========================================================================
    Ubuntu Security Notice USN-2315-1
    August 14, 2014
    
    serf vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Fraudulent security certificates could allow sensitive information to
    be exposed when accessing the Internet.
    
    Software Description:
    - serf: high-performance asynchronous HTTP client library
    
    Details:
    
    Ben Reser discovered that serf did not correctly handle SSL certificates
    with NUL bytes in the CommonName or SubjectAltNames fields. A remote
    attacker could exploit this to perform a man in the middle attack to view
    sensitive information or alter encrypted communications.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 LTS:
      libserf-1-1                     1.3.3-1ubuntu0.1
    
    Ubuntu 12.04 LTS:
      libserf1                        1.0.0-2ubuntu0.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2315-1
      CVE-2014-3504
    
    Package Information:
      https://launchpad.net/ubuntu/+source/serf/1.3.3-1ubuntu0.1
      https://launchpad.net/ubuntu/+source/serf/1.0.0-2ubuntu0.1
    
    
    
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