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Red Hat Security Advisory
Synopsis: Low: redis security update
Advisory ID: RHSA-2017:3226-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2017:3226
Issue date: 2017-11-15
CVE Names: CVE-2016-2121
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1. Summary:
An update for redis 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 Low. 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 – x86_64
3. Description:
Redis is an advanced key-value store. It is often referred to as a
data-structure server since keys can contain strings, hashes, lists, sets,
and sorted sets. For performance, Redis works with an in-memory data set.
You can persist it either by dumping the data set to disk every once in a
while, or by appending each command to a log.
Security Fix(es):
* A permissions flaw was found in redis, which sets weak permissions on
certain files and directories that could potentially contain sensitive
information. A local, unprivileged user could possibly use this flaw to
access unauthorized system information. (CVE-2016-2121)
This issue was discovered by Honza Horak (Red Hat) and Remi Collet (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/):
1390588 – CVE-2016-2121 redis: weak permissions on sensitive files
6. Package List:
Red Hat OpenStack Platform 10.0:
Source:
redis-3.0.6-2.el7ost.src.rpm
x86_64:
redis-3.0.6-2.el7ost.x86_64.rpm
redis-debuginfo-3.0.6-2.el7ost.x86_64.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-2016-2121
https://access.redhat.com/security/updates/classification/#low
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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