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Moderate Update: Cloud-Init Password Logging for Red Hat Enterprise Linux 8

red hat
Calendar Grey August 10, 2021
Dist Redhat Esm H88
A recent update for cloud-init in Red Hat Enterprise Linux 8 resolves a moderate security vulnerability related to the logging of passwords.
An update for cloud-init is now available for Red Hat Enterprise Linux 8

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 moderate security update Red Hat Enterprise Linux security impact cloud-init password logging

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 (v. 8):
Source: cloud-init-20.3-10.el8_4.5.src.rpm
noarch: cloud-init-20.3-10.el8_4.5.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-2021:3081-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3081
Issue date: 2021-08-10

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 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 moderate security update Red Hat Enterprise Linux security impact cloud-init password logging

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - noarch

Bugs Fixed

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

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