[USN-3526-1] SSSD vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Wed Jan 10 13:18:47 UTC 2018

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


SSSD could be made to expose sensitive information.

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


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


Package Information:
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