RHSA-2021:1407 - Security Advisory

Topic

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.

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.

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 Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 1868872 - CVE-2020-15112 etcd: DoS in wal/wal.go
• BZ - 1868883 - CVE-2020-15106 etcd: Large slice causes panic in decodeRecord method

CVEs

• CVE-2020-15106
• CVE-2020-15112

References

• https://access.redhat.com/security/updates/classification/#moderate