Ubuntu 1516-1: OpenSSL vulnerability

    Date25 Jul 2012
    CategoryUbuntu
    55
    Posted ByLinuxSecurity Advisories
    OpenSSL incorrectly disabled TLS 1.1 and TLS 1.2 in certain applications.
    ==========================================================================
    Ubuntu Security Notice USN-1516-1
    July 25, 2012
    
    openssl vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    
    Summary:
    
    OpenSSL incorrectly disabled TLS 1.1 and TLS 1.2 in certain applications.
    
    Software Description:
    - openssl: Secure Socket Layer (SSL) cryptographic library and tools
    
    Details:
    
    It was discovered that OpenSSL incorrectly handled the SSL_OP_ALL setting.
    This resulted in TLS 1.1 and TLS 1.2 being inadvertently disabled for
    certain server and client applications.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      libssl1.0.0                     1.0.1-4ubuntu5.3
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1516-1
      https://launchpad.net/bugs/1018998
    
    Package Information:
      https://launchpad.net/ubuntu/+source/openssl/1.0.1-4ubuntu5.3
    
    
    
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