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==========================================================================
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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