USN-3526-1: SSSD vulnerability

Ubuntu Security Notice USN-3526-1

10th January, 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 version:

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

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2017-12173

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