[USN-3634-1] PackageKit vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-3634-1
April 24, 2018

packagekit vulnerability
==========================================================================

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

- Ubuntu 17.10

Summary:

PackageKit could be made to install or run programs as an administrator.

Software Description:
- packagekit: Provides a package management service

Details:

Matthias Gerstner discovered that PackageKit incorrectly handled
authentication. A local attacker could possibly use this issue to install
arbitrary packages and escalate privileges.

Update instructions:

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

Ubuntu 17.10:
  packagekit                      1.1.7-1ubuntu0.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3634-1
  CVE-2018-1106

Package Information:
  https://launchpad.net/ubuntu/+source/packagekit/1.1.7-1ubuntu0.1

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