(RHSA-2017:2524) Moderate: ansible security, bug fix, and enhancement update

Ansible is a simple model-driven configuration management, multi-node
deployment, and remote-task execution system. Ansible works over SSH and
does not require any software or daemons to be installed on remote nodes.
Extension modules can be written in any language and are transferred to
managed machines automatically.

The following packages have been upgraded to a later upstream version: ansible (2.3.1.0). (BZ#1477925)

Security Fix(es):

• An input validation flaw was found in Ansible, where it fails to properly mark lookup-plugin results as unsafe. If an attacker could control the results of lookup() calls, they could inject Unicode strings to be parsed by the jinja2 templating system, resulting in code execution. By default, the jinja2 templating language is now marked as ‘unsafe’ and is not evaluated. (CVE-2017-7481)

This issue was discovered by Evgeni Golov (Red Hat).