==========================================================================
Ubuntu Security Notice USN-3526-1
January 10, 2018

sssd vulnerability
==========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS

Summary:

SSSD could be made to expose sensitive information.

Software Description:
- sssd: System Security Services Daemon -- metapackage

Details:

It was discovered that SSSD incorrectly handled certain inputs when
querying its local cache. An attacker could use this to inject
arbitrary code and expose sensitive information.

Update instructions:

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

Ubuntu 17.04:
  sssd                            1.15.2-1ubuntu1.1
  sssd-common                     1.15.2-1ubuntu1.1
  sssd-tools                      1.15.2-1ubuntu1.1

Ubuntu 16.04 LTS:
  sssd                            1.13.4-1ubuntu1.10
  sssd-common                     1.13.4-1ubuntu1.10
  sssd-tools                      1.13.4-1ubuntu1.10

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

References:
  https://www.ubuntu.com/usn/usn-3526-1
  CVE-2017-12173

Package Information:
  https://launchpad.net/ubuntu/+source/sssd/1.15.2-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/sssd/1.13.4-1ubuntu1.10