=========================================================================Ubuntu Security Notice USN-3354-1
July 18, 2017

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

- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

An attacker could trick a user into opening a malicious .crash file
and execute arbitrary code as the user.

Software Description:
- apport: automatically generate crash reports for debugging

Details:

Felix Wilhelm discovered a path traversal vulnerability in Apport
when handling the ExecutablePath field in crash files. An attacker
could trick a user into opening a specially crafted crash file and
execute arbitrary code with the user's privileges.

Update instructions:

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

Ubuntu 17.04:
  apport                          2.20.4-0ubuntu4.5
  python-apport                   2.20.4-0ubuntu4.5
  python3-apport                  2.20.4-0ubuntu4.5

Ubuntu 16.10:
  apport                          2.20.3-0ubuntu8.7
  python-apport                   2.20.3-0ubuntu8.7
  python3-apport                  2.20.3-0ubuntu8.7

Ubuntu 16.04 LTS:
  apport                          2.20.1-0ubuntu2.10
  python-apport                   2.20.1-0ubuntu2.10
  python3-apport                  2.20.1-0ubuntu2.10

Ubuntu 14.04 LTS:
  apport                          2.14.1-0ubuntu3.25
  python-apport                   2.14.1-0ubuntu3.25
  python3-apport                  2.14.1-0ubuntu3.25

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

References:
  https://ubuntu.com/security/notices/USN-3354-1
  CVE-2017-10708

Package Information:
  https://launchpad.net/ubuntu/+source/apport/2.20.4-0ubuntu4.5
  https://launchpad.net/ubuntu/+source/apport/2.20.3-0ubuntu8.7
  https://launchpad.net/ubuntu/+source/apport/2.20.1-0ubuntu2.10
  https://launchpad.net/ubuntu/+source/apport/2.14.1-0ubuntu3.25