Low: cloud-init security update

Synopsis

Low: cloud-init security update

Type/Severity

Security Advisory: Low

Topic

An update for cloud-init is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Low. 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 cloud-init packages provide a set of init scripts for cloud instances. Cloud instances need special scripts to run during initialization to retrieve and install SSH keys, and to let the user run various scripts.

Security Fix(es):

• cloud-init: default configuration disabled deletion of SSH host keys (CVE-2018-10896)
  

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 for x86_64 - Extended Update Support 8.2 x86_64
• Red Hat Enterprise Linux Server - AUS 8.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.2 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.2 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.2 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.2 x86_64

Fixes

• BZ - 1598831 - CVE-2018-10896 cloud-init: default configuration disabled deletion of SSH host keys

CVEs

• CVE-2018-10896

References

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