Ubuntu 2367-1: OpenSSL update

    Date02 Oct 2014
    CategoryUbuntu
    41
    Posted ByLinuxSecurity Advisories
    OpenSSL TLSv1.2 support has been improved.
    ==========================================================================
    Ubuntu Security Notice USN-2367-1
    October 02, 2014
    
    openssl update
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    
    Summary:
    
    OpenSSL TLSv1.2 support has been improved.
    
    Software Description:
    - openssl: Secure Socket Layer (SSL) cryptographic library and tools
    
    Details:
    
    For compatibility reasons, OpenSSL in Ubuntu 12.04 LTS disables TLSv1.2
    by default when being used as a client. When forcing the use of TLSv1.2,
    another compatibility feature (OPENSSL_MAX_TLS1_2_CIPHER_LENGTH) was used
    that would truncate the cipher list. This would prevent certain ciphers
    from being selected, and would prevent secure renegotiations. This update
    removes the cipher list truncation workaround when forcing the use of
    TLSv1.2.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      libssl1.0.0                     1.0.1-4ubuntu5.18
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2367-1
      https://launchpad.net/bugs/1376447
    
    Package Information:
      https://launchpad.net/ubuntu/+source/openssl/1.0.1-4ubuntu5.18
    
    
    
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