[SECURITY] [DLA 1923-1] ansible security update

Package : ansible
Version : 1.7.2+dfsg-2+deb8u2
CVE ID : CVE-2015-3908 CVE-2015-6240 CVE-2018-10875 CVE-2019-10156
Debian Bug : 930065

Several vulnerabilities were discovered in Ansible, a configuration
management, deployment, and task execution system.

CVE-2015-3908

A potential man-in-the-middle attack associated with insusfficient
X.509 certificate verification.  Ansible did not verify that the
server hostname matches a domain name in the subject's Common Name
(CN) or subjectAltName field of the X.509 certificate, which allows
man-in-the-middle attackers to spoof SSL servers via an arbitrary
valid certificate.

CVE-2015-6240

A symlink attack that allows local users to escape a restricted
environment (chroot or jail) via a symlink attack.

CVE-2018-10875

A fix potential arbitrary code execution resulting from reading
ansible.cfg from a world-writable current working directory.  This
condition now causes ansible to emit a warning and ignore the
ansible.cfg in the world-writable current working directory.

CVE-2019-10156

Information disclosure through unexpected variable substitution.

For Debian 8 "Jessie", these problems have been fixed in version
1.7.2+dfsg-2+deb8u2.

We recommend that you upgrade your ansible packages.

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