[USN-3664-2] Apport vulnerability

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==========================================================================
Ubuntu Security Notice USN-3664-2
June 04, 2018

apport vulnerability
==========================================================================

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

- Ubuntu 14.04 LTS

Summary:

Apport could be tricked into causing a denial of service or escalate
privileges.

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

Details:

USN-3664-1 fixed a vulnerability in Apport. Sander Bos reported that Ubuntu
14.04 LTS was also vulnerable to this issue, but was incorrectly omitted
from the previous updates. This update provides the corresponding update
for Ubuntu 14.04 LTS.

Original advisory details:

Sander Bos discovered that Apport incorrectly handled core dumps when
certain files are missing from /proc. A local attacker could possibly use
this issue to cause a denial of service, gain root privileges, or escape
from containers.

Update instructions:

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

Ubuntu 14.04 LTS:
apport 2.14.1-0ubuntu3.29

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

References:
https://usn.ubuntu.com/usn/usn-3664-2
https://usn.ubuntu.com/usn/usn-3664-1
CVE-2018-6552

Package Information:
https://launchpad.net/ubuntu/+source/apport/2.14.1-0ubuntu3.29