[RHSA-2021:1407-01] Moderate: etcd security update

[Security announcements for all Red Hat products and services.]

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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 
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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 at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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