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AUSCERT External Security Bulletin Redistribution
ESB-2017.2652
Moderate: ansible security, bug fix, and enhancement update
20 October 2017
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AusCERT Security Bulletin Summary
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Product: ansible
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-7550
Original Bulletin:
https://access.redhat.com/errata/RHSA-2017:2966
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running ansible check for an updated version of the software for
their operating system.
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Red Hat Security Advisory
Synopsis: Moderate: ansible security, bug fix, and enhancement update
Advisory ID: RHSA-2017:2966-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2017:2966
Issue date: 2017-10-19
CVE Names: CVE-2017-7550
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1. Summary:
An update for ansible is now available for Red Hat Enterprise Linux 7
Extras.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux 7 Extras - noarch
3. Description:
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 ansible packages have been upgraded to upstream version 2.4.0, which
provides a number of bug fixes and enhancements over the previous version.
For more information, please see the Ansible 2.4 Porting Guide linked in
the References section. (BZ#1492477)
Security Fix(es):
* A flaw was found in the way Ansible passed certain parameters to the
jenkins_plugin module. A remote attacker could use this flaw to expose
sensitive information from a remote host's logs. This flaw was fixed by not
allowing passwords to be specified in the "params" argument, and noting
this in the module documentation. (CVE-2017-7550)
Red Hat would like to thank Stefano Mazzucco (Kirontech) for reporting this
issue.
Bug Fix(es):
* A bug in the SELinux module, which caused a corruption of the SELinux
configuration file, has been fixed.
* Previously, some of the functionality of Ansible (the json_query filter)
was unavailable, because the dependency on the python2-jmespath package was
missing. Now, the missing dependency has been added. (BZ#1484910)
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1473645 - CVE-2017-7550 ansible: jenkins_plugin module exposes passwords in remote host logs
1484910 - Require python-jmespath
6. Package List:
Red Hat Enterprise Linux 7 Extras:
Source:
ansible-2.4.0.0-5.el7.src.rpm
noarch:
ansible-2.4.0.0-5.el7.noarch.rpm
ansible-doc-2.4.0.0-5.el7.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2017-7550
https://access.redhat.com/security/updates/classification/#moderate
https://docs.ansible.com/ansible/2.4/porting_guide_2.4.html
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2017 Red Hat, Inc.
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