USN-4965-2: Apport vulnerabilities

USN-4965-2: Apport vulnerabilities

USN-4965-1 fixed several vulnerabilities in Apport. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:

Maik Münch discovered that Apport incorrectly handled certain information
gathering operations. A local attacker could use these issues to read and
write arbitrary files as an administrator, and possibly escalate
privileges.
Source: USN-4965-2: Apport vulnerabilities