Ubuntu 2980-1: libndp vulnerability

    Date17 May 2016
    CategoryUbuntu
    36
    Posted ByLinuxSecurity Advisories
    libndp could be tricked into accepting an NDP message from outside the local network.
    ==========================================================================
    Ubuntu Security Notice USN-2980-1
    May 17, 2016
    
    libndp vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.04 LTS
    - Ubuntu 15.10
    
    Summary:
    
    libndp could be tricked into accepting an NDP message from outside the
    local network.
    
    Software Description:
    - libndp: Library for Neighbor Discovery Protocol
    
    Details:
    
    Julien Bernard discovered that libndp incorrectly performed origin checks
    when receiving Neighbor Discovery Protocol (NDP) messages. A remote
    attacker outside of the local network could use this issue to advertise a
    node as a router, causing a denial of service, or possibly to act as a man
    in the middle.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.04 LTS:
      libndp0                         1.4-2ubuntu0.16.04.1
    
    Ubuntu 15.10:
      libndp0                         1.4-2ubuntu0.15.10.1
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2980-1
      CVE-2016-3698
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libndp/1.4-2ubuntu0.16.04.1
      https://launchpad.net/ubuntu/+source/libndp/1.4-2ubuntu0.15.10.1
    
    
    
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