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AUSCERT External Security Bulletin Redistribution
ESB-2019.2011
Moderate: etcd security, bug fix, and enhancement update
5 June 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Red Hat Enterprise Linux 7 Extras
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Impact/Access: Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-16886
Reference: ESB-2019.0447
ESB-2019.0294
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:1352
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Red Hat Security Advisory
Synopsis: Moderate: etcd security, bug fix, and enhancement update
Advisory ID: RHSA-2019:1352-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1352
Issue date: 2019-06-04
CVE Names: CVE-2018-16886
=====================================================================
1. Summary:
An update for etcd 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 - aarch64, ppc64le, s390x, x86_64
3. Description:
The etcd packages provide a highly available key-value store for shared
configuration.
The following packages have been upgraded to a later upstream version: etcd
(3.2.26). (BZ#1676902)
Security Fix(es):
* etcd: Improper Authentication in auth/store.go:AuthInfoFromTLS() via
gRPC-gateway (CVE-2018-16886)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) 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/):
1651034 - CVE-2018-16886 etcd: Improper Authentication in auth/store.go:AuthInfoFromTLS() via gRPC-gateway
1676902 - Update etcd to the latest relevant upstream for AH 7.6.2
6. Package List:
Red Hat Enterprise Linux 7 Extras:
Source:
etcd-3.2.26-1.el7.src.rpm
aarch64:
etcd-3.2.26-1.el7.aarch64.rpm
etcd-debuginfo-3.2.26-1.el7.aarch64.rpm
ppc64le:
etcd-3.2.26-1.el7.ppc64le.rpm
etcd-debuginfo-3.2.26-1.el7.ppc64le.rpm
s390x:
etcd-3.2.26-1.el7.s390x.rpm
etcd-debuginfo-3.2.26-1.el7.s390x.rpm
Red Hat Enterprise Linux 7 Extras:
Source:
etcd-3.2.26-1.el7.src.rpm
aarch64:
etcd-3.2.26-1.el7.aarch64.rpm
etcd-debuginfo-3.2.26-1.el7.aarch64.rpm
ppc64le:
etcd-3.2.26-1.el7.ppc64le.rpm
etcd-debuginfo-3.2.26-1.el7.ppc64le.rpm
s390x:
etcd-3.2.26-1.el7.s390x.rpm
etcd-debuginfo-3.2.26-1.el7.s390x.rpm
x86_64:
etcd-3.2.26-1.el7.x86_64.rpm
etcd-debuginfo-3.2.26-1.el7.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-2018-16886
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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