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AUSCERT External Security Bulletin Redistribution
ESB-2019.0148
Moderate: ansible security update
17 January 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: ansible
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-10875 CVE-2018-10874 CVE-2018-10855
Reference: ESB-2018.3884
ESB-2018.2559
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:0054
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Red Hat Security Advisory
Synopsis: Moderate: ansible security update
Advisory ID: RHSA-2019:0054-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0054
Issue date: 2019-01-16
CVE Names: CVE-2018-10855 CVE-2018-10874 CVE-2018-10875
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1. Summary:
An update for ansible is now available for Red Hat OpenStack Platform 10.0
(Newton).
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 OpenStack Platform 10.0 - 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.
Security Fix(es):
* ansible: Failed tasks do not honour no_log option allowing for secrets to
be disclosed in logs (CVE-2018-10855)
* ansible: Inventory variables are loaded from current working directory
when running ad-hoc command that can lead to code execution
(CVE-2018-10874)
* ansible: ansible.cfg is being read from current working directory
allowing possible code execution (CVE-2018-10875)
For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.
Red Hat would like to thank Tobias Henkel (BMW Car IT GmbH) for reporting
CVE-2018-10855 and Michael Scherer (OSAS) for reporting CVE-2018-10874. The
CVE-2018-10875 issue was discovered by Brian Coca (Red Hat).
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/):
1588855 - CVE-2018-10855 ansible: Failed tasks do not honour no_log option allowing for secrets to be disclosed in logs
1596528 - CVE-2018-10874 ansible: Inventory variables are loaded from current working directory when running ad-hoc command that can lead to code execution
1596533 - CVE-2018-10875 ansible: ansible.cfg is being read from current working directory allowing possible code execution
6. Package List:
Red Hat OpenStack Platform 10.0:
Source:
ansible-2.4.6.0-1.el7ae.src.rpm
noarch:
ansible-2.4.6.0-1.el7ae.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-2018-10855
https://access.redhat.com/security/cve/CVE-2018-10874
https://access.redhat.com/security/cve/CVE-2018-10875
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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