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==========================================================================
Ubuntu Security Notice USN-3480-1
November 15, 2017

apport vulnerabilities
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Apport could be tricked into creating files as an administrator, resulting in
denial of service or privilege escalation.

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

Details:

Sander Bos discovered that Apport incorrectly handled core dumps for setuid
binaries. A local attacker could use this issue to perform a denial of service
via resource exhaustion or possibly gain root privileges. (CVE-2017-14177)

Sander Bos discovered that Apport incorrectly handled core dumps for processes
in a different PID namespace. A local attacker could use this issue to perform
a denial of service via resource exhaustion or possibly gain root privileges.
(CVE-2017-14180)

Update instructions:

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

Ubuntu 17.10:
  apport                          2.20.7-0ubuntu3.4

Ubuntu 17.04:
  apport                          2.20.4-0ubuntu4.7

Ubuntu 16.04 LTS:
  apport                          2.20.1-0ubuntu2.12

Ubuntu 14.04 LTS:
  apport                          2.14.1-0ubuntu3.27

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

References:
  https://www.ubuntu.com/usn/usn-3480-1
  CVE-2017-14177, CVE-2017-14180

Package Information:
  https://launchpad.net/ubuntu/+source/apport/2.20.7-0ubuntu3.4
  https://launchpad.net/ubuntu/+source/apport/2.20.4-0ubuntu4.7
  https://launchpad.net/ubuntu/+source/apport/2.20.1-0ubuntu2.12
  https://launchpad.net/ubuntu/+source/apport/2.14.1-0ubuntu3.27


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