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Red Hat: CVE-2021-3429: CVE-2021-3429 cloud-init: randomly generated passwords logged in clear-text to world-readable file (Multiple Advisories)

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Red Hat: CVE-2021-3429: CVE-2021-3429 cloud-init: randomly generated passwords logged in clear-text to world-readable file (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/10/2021
Created
08/12/2021
Added
08/12/2021
Modified
12/15/2023

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.

Solution(s)

  • redhat-upgrade-cloud-init

References

  • CVE-2021-3429
  • RHSA-2021:3081
  • RHSA-2021:3177
  • RHSA-2021:3371

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