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Ubuntu Security Notice USN-2756-1
September 30, 2015

rpcbind vulnerability
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

rpcbind could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- rpcbind: converts RPC program numbers into universal addresses

Details:

It was discovered that rpcbind incorrectly handled certain memory
structures. A remote attacker could use this issue to cause rpcbind 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 15.04:
  rpcbind                         0.2.1-6ubuntu3.1

Ubuntu 14.04 LTS:
  rpcbind                         0.2.1-2ubuntu2.2

Ubuntu 12.04 LTS:
  rpcbind                         0.2.0-7ubuntu1.3

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2756-1
  CVE-2015-7236

Package Information:
  https://launchpad.net/ubuntu/+source/rpcbind/0.2.1-6ubuntu3.1
  https://launchpad.net/ubuntu/+source/rpcbind/0.2.1-2ubuntu2.2
  https://launchpad.net/ubuntu/+source/rpcbind/0.2.0-7ubuntu1.3