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AUSCERT External Security Bulletin Redistribution
Moderate: etcd security, bug fix, and enhancement update
1 February 2019
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Unauthorised Access -- Existing Account
CVE Names: CVE-2018-16886
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running etcd check for an updated version of the software for their
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Red Hat Security Advisory
Synopsis: Moderate: etcd security, bug fix, and enhancement update
Advisory ID: RHSA-2019:0237-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0237
Issue date: 2019-01-31
CVE Names: CVE-2018-16886
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
The etcd packages provide a highly available key-value store for shared
The following packages have been upgraded to a later upstream version: etcd
* etcd: Improper Authentication in auth/store.go:AuthInfoFromTLS() via
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 Matt Wheeler (Osirium) for reporting this
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
5. Bugs fixed (https://bugzilla.redhat.com/):
1651034 - CVE-2018-16886 etcd: Improper Authentication in auth/store.go:AuthInfoFromTLS() via gRPC-gateway
1664290 - Update etcd to the latest relevant upstream for AH 7.6.2
6. Package List:
Red Hat Enterprise Linux 7 Extras:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <firstname.lastname@example.org>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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