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Red Hat Security Advisory 2021-2119-01

Red Hat Security Advisory 2021-2119-01
Posted May 26, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2119-01 - An update for tripleo-ansible is now available for Red Hat OpenStack Platform 16.1 (Train). It addresses an issue where the ansible.log file is visible to unprivileged users.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-31918
SHA-256 | 4c1f0f5af2ff1bf54d5a0ecacd6cacae52354736bf520cc6bcbb4403243e1ebe

Red Hat Security Advisory 2021-2119-01

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====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat OpenStack Platform 16.1.6 (tripleo-ansible) security update
Advisory ID: RHSA-2021:2119-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2119
Issue date: 2021-05-26
CVE Names: CVE-2021-31918
====================================================================
1. Summary:

An update for tripleo-ansible is now available for Red Hat OpenStack
Platform 16.1 (Train).

Red Hat Product Security has rated this update as having a security impact
of Important. 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 16.1 - noarch

3. Description:

Ansible project for TripleO.

Security Fix(es):

* ansible.log file is visible to unprivileged users (CVE-2021-31918)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.

Changes to the tripleo-ansible component:

This update prevents Relax and Recover (ReaR) from automatically creating
an unrequested backup. Previously, ReaR automatically created the cron file
/etc/cron.d/rear, which ran a backup at 1:30 AM. This update prevents the
automatic creation of the cron job. (BZ#1919174)

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/):

1899404 - pacemaker and pcs shouldn't be required for ceph storage nodes
1905973 - LVM filter only runs if at least 1 item is passed in the Allowlist
1908266 - RHOSP 16.1 minor update fails because of release lock enforcement on Ceph nodes
1911891 - deployment takes a long time when being run manually on the undercloud with ansible-playbook
1916162 - tripleo-transfer can't transfer large databases
1917891 - Back up and Restore role failing to create a backup image
1919174 - Option to remove the self-installed ReaR cron task
1934379 - Ceph cluster is not healthy: auth entities with invalid capabilities
1949290 - cold migration and resize failing in nova-compute: ssh: Host key verification failed
1949398 - FFU tripleo-transfer role syncs a partial list of files creating an inconsistent database leading to mariadb segfaulting
1954250 - CVE-2021-31918 tripleo-ansible: ansible.log file is visible to unprivileged users

6. Package List:

Red Hat OpenStack Platform 16.1:

Source:
tripleo-ansible-0.5.1-1.20210323173506.el8ost.src.rpm

noarch:
tripleo-ansible-0.5.1-1.20210323173506.el8ost.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-2021-31918
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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