Executive Summary

Titleetcd security, bug fix, and enhancement update
NameRHSA-2019:0237First vendor Publication2019-01-31
VendorRedHatLast vendor Modification2019-01-31
Severity (Vendor) N/ARevision01

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score6.8Attack RangeNetwork
Cvss Impact Score6.4Attack ComplexityMedium
Cvss Expoit Score8.6AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores


Problem Description:

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 (3.3.11). (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.

4. Solution:

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

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2019-0237.html

CWE : Common Weakness Enumeration

100 %CWE-287Improper Authentication

CPE : Common Platform Enumeration


Alert History

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2019-04-15 17:21:10
  • Multiple Updates
2019-02-04 13:18:50
  • First insertion