USN-2429-1: ppp vulnerability

1 December 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


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)


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

To update your system, please follow these instructions:

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