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AUSCERT External Security Bulletin Redistribution
cloud-init security update
9 September 2020
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Impact/Access: Provide Misleading Information -- Existing Account
CVE Names: CVE-2018-10896
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Red Hat Security Advisory
Synopsis: Low: cloud-init security update
Advisory ID: RHSA-2020:3644-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3644
Issue date: 2020-09-08
CVE Names: CVE-2018-10896
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream EUS (v. 8.2) - noarch
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.
* cloud-init: default configuration disabled deletion of SSH host keys
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.
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
5. Bugs fixed (https://bugzilla.redhat.com/):
1598831 - CVE-2018-10896 cloud-init: default configuration disabled deletion of SSH host keys
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.2):
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <firstname.lastname@example.org>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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