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Red Hat Enterprise Linux: RHSA-2019:0237-01 Moderate Etcd Auth Issue

red hat
Calendar Grey January 31, 2019
Dist Redhat Esm H88
A new version of etcd is released for Red Hat Enterprise Linux aimed at addressing authentication vulnerabilities and enhancing overall security.
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 (3.3.11). (BZ#1664290)
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, 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 issue.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux security patch authentication Moderate 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-3.3.11-2.el7.src.rpm
aarch64: etcd-3.3.11-2.el7.aarch64.rpm etcd-debuginfo-3.3.11-2.el7.aarch64.rpm
ppc64le: etcd-3.3.11-2.el7.ppc64le.rpm etcd-debuginfo-3.3.11-2.el7.ppc64le.rpm
s390x: etcd-3.3.11-2.el7.s390x.rpm etcd-debuginfo-3.3.11-2.el7.s390x.rpm
x86_64: etcd-3.3.11-2.el7.x86_64.rpm etcd-debuginfo-3.3.11-2.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-2019:0237-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0237
Issue date: 2019-01-31

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 Red Hat Enterprise Linux security patch authentication Moderate 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

1664290 - Update etcd to the latest relevant upstream for AH 7.6.2

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