Information Exposure Through Log Files Affecting cloud-init package, versions <0:19.3-43.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-CLOUDINIT-1698275
- published 27 Sep 2021
- disclosed 19 Apr 2023
Introduced: 27 Sep 2021
CVE-2021-3429 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 cloud-init to version 0:19.3-43.amzn2 or higher.
This issue was patched in ALAS2-2021-1620.
NVD Description
Note: Versions mentioned in the description apply only to the upstream cloud-init package and not the cloud-init package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.