CVE-2021-3429

Medium

Description

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.

SeverityMedium

CVSS5.5

Exploit probability—

ProductCanonical Cloud-init

PublishedApr 19, 2023

First seenApr 19, 2023

Weakness typeCWE-532CWE-532

How to fix

Update

canonical cloud-init21.2 or later

Patches

github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668

Affected products

Product	Affected versions	Fixed in
canonical cloud-init	v < 21.2	21.2

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