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AUSCERT External Security Bulletin Redistribution
ESB-2021.0946
Red Hat OpenStack Platform 16.1.4 (etcd) security update
18 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Red Hat OpenStack Platform 16.1.4 (etcd)
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Existing Account
Reduced Security -- Remote/Unauthenticated
Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15136 CVE-2020-15115 CVE-2020-15114
CVE-2020-15113 CVE-2020-15112 CVE-2020-15106
Reference: ESB-2020.4383
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0916
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Red Hat Security Advisory
Synopsis: Moderate: Red Hat OpenStack Platform 16.1.4 (etcd) security update
Advisory ID: RHSA-2021:0916-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0916
Issue date: 2021-03-17
CVE Names: CVE-2020-15106 CVE-2020-15112 CVE-2020-15113
CVE-2020-15114 CVE-2020-15115 CVE-2020-15136
=====================================================================
1. Summary:
An update for etcd 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 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 16.1 - ppc64le, x86_64
3. Description:
A highly-available key value store for shared configuration.
Security Fix(es):
* large slice causes panic in decodeRecord method (CVE-2020-15106)
* DoS in wal/wal.go (CVE-2020-15112)
* directories created via os.MkdirAll are not checked for permissions
(CVE-2020-15113)
* gateway can include itself as an endpoint resulting in resource
exhaustion and leads to DoS (CVE-2020-15114)
* improper validation of passwords allow an attacker to guess or
brute-force user's passwords (CVE-2020-15115)
* no authentication is performed against endpoints provided in the
- - --endpoints flag (CVE-2020-15136)
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.
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/):
1868870 - CVE-2020-15113 etcd: directories created via os.MkdirAll are not checked for permissions
1868872 - CVE-2020-15112 etcd: DoS in wal/wal.go
1868874 - CVE-2020-15114 etcd: gateway can include itself as an endpoint resulting in resource exhaustion and leads to DoS
1868878 - CVE-2020-15115 etcd: improper validation of passwords allow an attacker to guess or brute-force user's passwords
1868880 - CVE-2020-15136 etcd: no authentication is performed against endpoints provided in the --endpoints flag
1868883 - CVE-2020-15106 etcd: large slice causes panic in decodeRecord method
6. Package List:
Red Hat OpenStack Platform 16.1:
Source:
etcd-3.3.23-1.el8ost.src.rpm
ppc64le:
etcd-3.3.23-1.el8ost.ppc64le.rpm
etcd-debuginfo-3.3.23-1.el8ost.ppc64le.rpm
etcd-debugsource-3.3.23-1.el8ost.ppc64le.rpm
x86_64:
etcd-3.3.23-1.el8ost.x86_64.rpm
etcd-debuginfo-3.3.23-1.el8ost.x86_64.rpm
etcd-debugsource-3.3.23-1.el8ost.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-2020-15106
https://access.redhat.com/security/cve/CVE-2020-15112
https://access.redhat.com/security/cve/CVE-2020-15113
https://access.redhat.com/security/cve/CVE-2020-15114
https://access.redhat.com/security/cve/CVE-2020-15115
https://access.redhat.com/security/cve/CVE-2020-15136
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 2021 Red Hat, Inc.
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