=========================================================================Ubuntu Security Notice USN-2429-1
December 01, 2014

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

ppp could be made to crash or run programs as an administrator if it opened
a specially crafted file.

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

Details:

It was discovered that ppp incorrectly handled certain options files. A
local attacker could possibly use this issue to escalate privileges.

Update instructions:

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

Ubuntu 14.10:
  ppp                             2.4.5-5.1ubuntu3.1

Ubuntu 14.04 LTS:
  ppp                             2.4.5-5.1ubuntu2.1

Ubuntu 12.04 LTS:
  ppp                             2.4.5-5ubuntu1.1

Ubuntu 10.04 LTS:
  ppp                             2.4.5~git20081126t100229-0ubuntu3.1

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

References:
  https://ubuntu.com/security/notices/USN-2429-1
  CVE-2014-3158

Package Information:
  https://launchpad.net/ubuntu/+source/ppp/2.4.5-5.1ubuntu3.1
  https://launchpad.net/ubuntu/+source/ppp/2.4.5-5.1ubuntu2.1
  https://launchpad.net/ubuntu/+source/ppp/2.4.5-5ubuntu1.1
  https://launchpad.net/ubuntu/+source/ppp/2.4.5~git20081126t100229-0ubuntu3.1