[USN-2595-1] ppp vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-2595-1
May 05, 2015

ppp vulnerability
==========================================================================

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

ppp could be made to crash if it received specially crafted network
traffic.

Software Description:
- ppp: Point-to-Point Protocol (PPP)

Details:

It was discovered that ppp incorrectly handled large PIDs. When pppd is
used with a RADIUS server, a remote attacker could use this issue to cause
it to crash, resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
  ppp                             2.4.5-5.1ubuntu3.2

Ubuntu 14.04 LTS:
  ppp                             2.4.5-5.1ubuntu2.2

Ubuntu 12.04 LTS:
  ppp                             2.4.5-5ubuntu1.2

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2595-1
  CVE-2015-3310

Package Information:
  https://launchpad.net/ubuntu/+source/ppp/2.4.5-5.1ubuntu3.2
  https://launchpad.net/ubuntu/+source/ppp/2.4.5-5.1ubuntu2.2
  https://launchpad.net/ubuntu/+source/ppp/2.4.5-5ubuntu1.2


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