[ubuntu/lunar-security] cloud-init 23.1.2-0ubuntu0~23.04.1 (Accepted)

[Mark Esler]

cloud-init (23.1.2-0ubuntu0~23.04.1) lunar; urgency=medium

  * d/changelog: updating 23.1.1-0ubuntu2 changelog entry deleting
    mention of a snapshot that was not performed
  * SECURITY UPDATE: Make user/vendor data sensitive and remove log permissions
    Because user data and vendor data may contain sensitive information,
    this commit ensures that any user data or vendor data written to
    instance-data.json gets redacted and is only available to root user.

    Also, modify the permissions of cloud-init.log to be 640, so that
    sensitive data leaked to the log isn't world readable.
    Additionally, remove the logging of user data and vendor data to
    cloud-init.log from the Vultr datasource.

    This is based on upstream release of 23.1.2 [(LP: #2013967)]

    - d/cloud-init.postinst: postinst fixes for LP: #2013967
      Redact sensitive keys from world-readable instance-data.json on upgrade.
      Set perms 640 for /var/log/cloud-init.log on pkg upgrade.
      Redact sensitive Vultr messages from /var/log/cloud-init.log
    - (CVE-2023-1786)

Date: 2023-04-24 21:20:10.833527+00:00
Changed-By: James Falcon <james.falcon at canonical.com>
Signed-By: Mark Esler <mark.esler at canonical.com>
https://launchpad.net/ubuntu/+source/cloud-init/23.1.2-0ubuntu0~23.04.1
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