Debian DSA-4396-1 Critical: Ansible Information Leak and Update

Several vulnerabilities have been found in Ansible, a configuration
management, deployment, and task execution system:

CVE-2018-10855 / CVE-2018-16876

The no_log task flag wasn't honored, resulting in an information leak.

CVE-2018-10875

ansible.cfg was read from the current working directory.

CVE-2018-16837

The user module leaked parameters passed to ssh-keygen to the process
environment.

CVE-2019-3828

The fetch module was susceptible to path traversal.

For the stable distribution (stretch), these problems have been fixed in
version 2.2.1.0-2+deb9u1.

We recommend that you upgrade your ansible packages.

For the detailed security status of ansible please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/ansible

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/