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Red Hat Security Advisory 2021-1407-01

Red Hat Security Advisory 2021-1407-01
Posted Apr 28, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1407-01 - The etcd packages provide a highly available key-value store for shared configuration. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-15106, CVE-2020-15112
MD5 | 1ed0338d03f72e5157dff35524e8871c

Red Hat Security Advisory 2021-1407-01

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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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