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Red Hat Product Errata RHSA-2021:0916 - Security Advisory
Issued:
2021-03-17
Updated:
2021-03-17

RHSA-2021:0916 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: Red Hat OpenStack Platform 16.1.4 (etcd) security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for etcd is now available for Red Hat OpenStack Platform 16.1
(Train).

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.

Description

A highly-available key value store for shared configuration.

Security Fix(es):

  • large slice causes panic in decodeRecord method (CVE-2020-15106)
  • DoS in wal/wal.go (CVE-2020-15112)
  • directories created via os.MkdirAll are not checked for permissions

(CVE-2020-15113)

  • gateway can include itself as an endpoint resulting in resource

exhaustion and leads to DoS (CVE-2020-15114)

  • improper validation of passwords allow an attacker to guess or

brute-force user's passwords (CVE-2020-15115)

  • no authentication is performed against endpoints provided in the
  • -endpoints flag (CVE-2020-15136)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.

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

Affected Products

  • Red Hat OpenStack for IBM Power 16.1 ppc64le
  • Red Hat OpenStack 16.1 x86_64

Fixes

  • BZ - 1868870 - CVE-2020-15113 etcd: directories created via os.MkdirAll are not checked for permissions
  • BZ - 1868872 - CVE-2020-15112 etcd: DoS in wal/wal.go
  • BZ - 1868874 - CVE-2020-15114 etcd: gateway can include itself as an endpoint resulting in resource exhaustion and leads to DoS
  • BZ - 1868878 - CVE-2020-15115 etcd: improper validation of passwords allow an attacker to guess or brute-force user's passwords
  • BZ - 1868880 - CVE-2020-15136 etcd: no authentication is performed against endpoints provided in the --endpoints flag
  • BZ - 1868883 - CVE-2020-15106 etcd: large slice causes panic in decodeRecord method

CVEs

  • CVE-2020-15106
  • CVE-2020-15112
  • CVE-2020-15113
  • CVE-2020-15114
  • CVE-2020-15115
  • CVE-2020-15136

References

  • https://access.redhat.com/security/updates/classification/#moderate
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat OpenStack for IBM Power 16.1

SRPM
etcd-3.3.23-1.el8ost.src.rpm SHA-256: 390b720ab1311bde830c376f2dd00a69a9094edba68cee1274a51e2b0a482321
ppc64le
etcd-3.3.23-1.el8ost.ppc64le.rpm SHA-256: 49237e10af26204380d4f7850508c2f05f647ac27a599050376051fefcc850d2
etcd-debuginfo-3.3.23-1.el8ost.ppc64le.rpm SHA-256: 94247ec590b54396a1f492f67f4c9f12158a3e2ec2a1f5571495a48b61a0839c
etcd-debugsource-3.3.23-1.el8ost.ppc64le.rpm SHA-256: c8628b1f9c7d060b873246c1d6dc94fc7df1a59b36df860aa63ed3daa32cf9a5

Red Hat OpenStack 16.1

SRPM
etcd-3.3.23-1.el8ost.src.rpm SHA-256: 390b720ab1311bde830c376f2dd00a69a9094edba68cee1274a51e2b0a482321
x86_64
etcd-3.3.23-1.el8ost.x86_64.rpm SHA-256: 6bace26e0c9ea3e3c3813063fd5ffbada0bb24f75a7d976521262b806bbd62a8
etcd-debuginfo-3.3.23-1.el8ost.x86_64.rpm SHA-256: 617f69ab24ac5be54ccbe335a8a925a52be5de5af51ba4edb4b7a81e65be3ddd
etcd-debugsource-3.3.23-1.el8ost.x86_64.rpm SHA-256: 7f042cae61d713e4d461299688fc4e87863df6a4cc0e85e737c1b211cb638620

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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