Linux Security
    Linux Security
    Linux Security

    Ubuntu 4405-1: GLib Networking vulnerability

    Date 29 Jun 2020
    515
    Posted By LinuxSecurity Advisories
    Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.
    ==========================================================================
    Ubuntu Security Notice USN-4405-1
    June 29, 2020
    
    glib-networking vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Fraudulent security certificates could allow sensitive
    information to be exposed when accessing the Internet.
    
    Software Description:
    - glib-networking: Network extensions for GLib
    
    Details:
    
    It was discovered that glib-networking skipped hostname certificate
    verification if the application failed to specify the server
    identity. A remote attacker could use this to perform a
    person-in-the-middle attack and expose sensitive information.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      glib-networking                 2.64.2-1ubuntu0.1
    
    Ubuntu 19.10:
      glib-networking                 2.62.1-1ubuntu0.1
    
    Ubuntu 18.04 LTS:
      glib-networking                 2.56.0-1ubuntu0.1
    
    Ubuntu 16.04 LTS:
      glib-networking                 2.48.2-1~ubuntu16.04.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4405-1
      CVE-2020-13645
    
    Package Information:
      https://launchpad.net/ubuntu/+source/glib-networking/2.64.2-1ubuntu0.1
      https://launchpad.net/ubuntu/+source/glib-networking/2.62.1-1ubuntu0.1
      https://launchpad.net/ubuntu/+source/glib-networking/2.56.0-1ubuntu0.1
      https://launchpad.net/ubuntu/+source/glib-networking/2.48.2-1~ubuntu16.04.2
    

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