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Red Hat: RHSA-2021-3371-01 Moderate: Cloud-Init Logging Security Problem

red hat
Calendar Grey August 31, 2021
Dist Redhat Esm H88
Red Hat's security advisory addresses a moderate vulnerability in cloud-init, featuring key fixes for potential risks and enhancing security for cloud instances
An update for cloud-init is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

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

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.
Security Fix(es):
* cloud-init: randomly generated passwords logged in clear-text to world-readable file (CVE-2021-3429)
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.

Topics%20covered

Topics Covered

security advisory security issue Red Hat security fix moderate impact cloud-init

References

https://access.redhat.com/security/cve/CVE-2021-3429 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: cloud-init-18.5-12.el8_2.10.src.rpm
noarch: cloud-init-18.5-12.el8_2.10.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/


Advisory ID: RHSA-2021:3371-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3371
Issue date: 2021-08-31

Topic

An update for cloud-init is now available for Red Hat Enterprise Linux 8.2Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Moderate. 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.

Topics%20covered

Topics Covered

security advisory security issue Red Hat security fix moderate impact cloud-init

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - noarch

Bugs Fixed

1940967 - CVE-2021-3429 cloud-init: randomly generated passwords logged in clear-text to world-readable file

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