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AUSCERT External Security Bulletin Redistribution
ESB-2021.1430
etcd security update
28 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: etcd
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15112 CVE-2020-15106
Reference: ESB-2021.0946
ESB-2020.4383
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:1407
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Red Hat Security Advisory
Synopsis: Moderate: etcd security update
Advisory ID: RHSA-2021:1407-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1407
Issue date: 2021-04-27
CVE Names: CVE-2020-15106 CVE-2020-15112
=====================================================================
1. Summary:
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 - ppc64le, s390x, x86_64
3. Description:
The etcd packages provide a highly available key-value store for shared
configuration.
Security Fix(es):
* etcd: Large slice causes panic in decodeRecord method (CVE-2020-15106)
* etcd: DoS in wal/wal.go (CVE-2020-15112)
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.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
1868872 - CVE-2020-15112 etcd: DoS in wal/wal.go
1868883 - CVE-2020-15106 etcd: Large slice causes panic in decodeRecord method
6. Package List:
Red Hat Enterprise Linux 7 Extras:
Source:
etcd-3.2.32-1.el7_9.src.rpm
ppc64le:
etcd-3.2.32-1.el7_9.ppc64le.rpm
etcd-debuginfo-3.2.32-1.el7_9.ppc64le.rpm
s390x:
etcd-3.2.32-1.el7_9.s390x.rpm
etcd-debuginfo-3.2.32-1.el7_9.s390x.rpm
x86_64:
etcd-3.2.32-1.el7_9.x86_64.rpm
etcd-debuginfo-3.2.32-1.el7_9.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/
7. References:
https://access.redhat.com/security/cve/CVE-2020-15106
https://access.redhat.com/security/cve/CVE-2020-15112
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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