Ubuntu 3807-1: NetworkManager vulnerability

    Date05 Nov 2018
    CategoryUbuntu
    3128
    Posted ByAnthony Pell
    NetworkManager could be made to crash or run programs if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-3807-1
    November 05, 2018
    
    network-manager vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    NetworkManager could be made to crash or run programs if it received
    specially crafted network traffic.
    
    Software Description:
    - network-manager: Network connection manager
    
    Details:
    
    Felix Wilhelm discovered that the NetworkManager internal DHCPv6 client
    incorrectly handled certain DHCPv6 messages. In non-default configurations
    where the internal DHCP client is enabled, an attacker on the same network
    could use this issue to cause NetworkManager to crash, resulting in a
    denial of service, or possibly execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.10:
      network-manager                 1.12.4-1ubuntu1.1
    
    Ubuntu 18.04 LTS:
      network-manager                 1.10.6-2ubuntu1.1
    
    Ubuntu 16.04 LTS:
      network-manager                 1.2.6-0ubuntu0.16.04.3
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3807-1
      CVE-2018-15688
    
    Package Information:
      https://launchpad.net/ubuntu/+source/network-manager/1.12.4-1ubuntu1.1
      https://launchpad.net/ubuntu/+source/network-manager/1.10.6-2ubuntu1.1
      https://launchpad.net/ubuntu/+source/network-manager/1.2.6-0ubuntu0.16.04.3
    
    
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