Ubuntu 4322-1: GnuTLS vulnerability

    Date 07 Apr 2020
    175
    Posted By LinuxSecurity Advisories
    GnuTLS could expose sensitive information over the network.
    ==========================================================================
    Ubuntu Security Notice USN-4322-1
    April 07, 2020
    
    gnutls28 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    
    Summary:
    
    GnuTLS could expose sensitive information over the network.
    
    Software Description:
    - gnutls28: GNU TLS library
    
    Details:
    
    It was discovered that GnuTLS incorrectly handled randomness when
    performing DTLS negotiation. A remote attacker could possibly use this
    issue to obtain sensitive information, contrary to expectations.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      libgnutls30                     3.6.9-5ubuntu1.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4322-1
      CVE-2020-11501
    
    Package Information:
      https://launchpad.net/ubuntu/+source/gnutls28/3.6.9-5ubuntu1.1
    
    

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