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RedHat Enterprise Linux 7 Extras RHSA-2019-1352 Moderate etcd Security Risk

red hat
Calendar Grey June 4, 2019
Dist Redhat Esm H88
Red Hat unveils a critical security bulletin regarding etcd, featuring bug corrections and enhancements for RHEL 7 Add-ons.
An update for etcd is now available for Red Hat Enterprise Linux 7 Extras

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

Summary

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.

Topics%20covered

Topics Covered

security advisory moderate update bug fix Red Hat Enterprise Linux authentication etcd

References

https://access.redhat.com/security/cve/CVE-2018-16886 https://access.redhat.com/security/updates/classification/#moderate

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/


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

Topic

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate update bug fix Red Hat Enterprise Linux authentication etcd

Relevant Releases Architectures

Red Hat Enterprise Linux 7 Extras - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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