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    Ubuntu 4384-1: GnuTLS vulnerability

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    GnuTLS could be made to expose sensitive information.
    ==========================================================================
    Ubuntu Security Notice USN-4384-1
    June 05, 2020
    
    gnutls28 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 19.10
    
    Summary:
    
    GnuTLS could be made to expose sensitive information.
    
    Software Description:
    - gnutls28: GNU TLS library
    
    Details:
    
    It was discovered that GnuTLS incorrectly handled session ticket encryption
    keys. A remote attacker could possibly use this issue to bypass
    authentication or recover sensitive information.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      libgnutls30                     3.6.13-2ubuntu1.1
    
    Ubuntu 19.10:
      libgnutls30                     3.6.9-5ubuntu1.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4384-1
      CVE-2020-13777
    
    Package Information:
      https://launchpad.net/ubuntu/+source/gnutls28/3.6.13-2ubuntu1.1
      https://launchpad.net/ubuntu/+source/gnutls28/3.6.9-5ubuntu1.2
    
    

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