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Red Hat OpenStack 16.1.4 Moderate Advisory: Multiple Etcd Issues

red hat
Calendar Grey March 17, 2021
Dist Redhat Esm H88
Canonical has issued a critical notice for Ubuntu Server 22.04.5 (Kubernetes) regarding multiple vulnerabilities.
An update for etcd is now available for Red Hat OpenStack Platform 16.1 (Train)

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

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.

Topics%20covered

Topics Covered

security advisory moderate security issue redhat dos openstack etcd

References

https://access.redhat.com/security/cve/CVE-2020-15106 https://access.redhat.com/security/cve/CVE-2020-15112 https://access.redhat.com/security/cve/CVE-2020-15113 https://access.redhat.com/security/cve/CVE-2020-15114 https://access.redhat.com/security/cve/CVE-2020-15115 https://access.redhat.com/security/cve/CVE-2020-15136 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat OpenStack Platform 16.1:
Source: etcd-3.3.23-1.el8ost.src.rpm
ppc64le: etcd-3.3.23-1.el8ost.ppc64le.rpm etcd-debuginfo-3.3.23-1.el8ost.ppc64le.rpm etcd-debugsource-3.3.23-1.el8ost.ppc64le.rpm
x86_64: etcd-3.3.23-1.el8ost.x86_64.rpm etcd-debuginfo-3.3.23-1.el8ost.x86_64.rpm etcd-debugsource-3.3.23-1.el8ost.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:0916-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0916
Issue date: 2021-03-17

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 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 security issue redhat dos openstack etcd

Relevant Releases Architectures

Red Hat OpenStack Platform 16.1 - ppc64le, x86_64

Bugs Fixed

1868870 - CVE-2020-15113 etcd: directories created via os.MkdirAll are not checked for permissions

1868872 - CVE-2020-15112 etcd: DoS in wal/wal.go

1868874 - CVE-2020-15114 etcd: gateway can include itself as an endpoint resulting in resource exhaustion and leads to DoS

1868878 - CVE-2020-15115 etcd: improper validation of passwords allow an attacker to guess or brute-force user's passwords

1868880 - CVE-2020-15136 etcd: no authentication is performed against endpoints provided in the --endpoints flag

1868883 - CVE-2020-15106 etcd: large slice causes panic in decodeRecord method

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