[USN-4072-1] Ansible vulnerabilities

==========================================================================
Ubuntu Security Notice USN-4072-1
July 24, 2019

ansible vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Ansible.

Software Description:
- ansible: Configuration management, deployment, and task execution system

Details:

It was discovered that Ansible failed to properly handle sensitive information.
A local attacker could use those vulnerabilities to extract them.
(CVE-2017-7481)
(CVE-2018-10855)
(CVE-2018-16837)
(CVE-2018-16876)
(CVE-2019-10156)

It was discovered that Ansible could load configuration files from the current
working directory containing crafted commands. An attacker could run arbitrary
code as result.
(CVE-2018-10874)
(CVE-2018-10875)

It was discovered that Ansible fetch module had a path traversal vulnerability.
A local attacker could copy and overwrite files outside of the specified
destination.
(CVE-2019-3828)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
ansible 2.7.8+dfsg-1ubuntu0.19.04.1

Ubuntu 18.04 LTS:
ansible 2.5.1+dfsg-1ubuntu0.1

Ubuntu 16.04 LTS:
ansible 2.0.0.2-2ubuntu1.3

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

References:
https://usn.ubuntu.com/4072-1
CVE-2017-7481, CVE-2018-10855, CVE-2018-10874, CVE-2018-10875,
CVE-2018-16837, CVE-2018-16876, CVE-2019-10156, CVE-2019-3828

Package Information:
https://launchpad.net/ubuntu/+source/ansible/2.7.8+dfsg-1ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/ansible/2.5.1+dfsg-1ubuntu0.1
https://launchpad.net/ubuntu/+source/ansible/2.0.0.2-2ubuntu1.3