RedHat: RHSA-2020-3050:01 Low: cloud-init security, bug fix,
Summary
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.
The following packages have been upgraded to a later upstream version:
cloud-init (19.4). (BZ#1811912)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.2 Release Notes linked from the References section.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2018-10896 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index
Package List
Red Hat Enterprise Linux AppStream (v. 8):
Source:
cloud-init-19.4-1.el8.7.src.rpm
noarch:
cloud-init-19.4-1.el8.7.noarch.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/
Topic
An update for cloud-init is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream (v. 8) - noarch
Bugs Fixed
1598831 - CVE-2018-10896 cloud-init: default configuration disabled deletion of SSH host keys
1811912 - [RHEL-8.2.1] cloud-init rebase to 19.4
1831646 - [RHEL8.2.1] Race condition of starting cloud-init and NetworkManager
1844366 - [rhel-8.2.1]Incorrect ds-identify check in cloud-init-generator
1850456 - [RHEL8.2.1] Do not log IMDSv2 token values into cloud-init.log