Ubuntu Security Notice 3526-1 - 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.
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Ubuntu Security Notice USN-3526-1
January 10, 2018
sssd vulnerability
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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