Ubuntu Security Update USN-3526-1: SSSD vulnerability

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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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