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SECURITY.md

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Security policy

The following documents the upstream cloud-init security policy.

Reporting

If a user finds a security issue, they are requested to file a private security bug on Launchpad. To ensure the information stays private, change the "This bug contains information that is:" from "Public" to "Private Security" when filing.

After the bug is received, the issue is triaged within 2 working days of being reported and a response is sent to the reporter.

cloud-init-security

The cloud-init-security Launchpad team is a private, invite-only team used to discuss and coordinate security issues with the project.

Any issues disclosed to the cloud-init-security mailing list are considered embargoed and should only be discussed with other members of the cloud-init-security mailing list before the coordinated release date, unless specific exception is granted by the administrators of the mailing list. This includes disclosure of any details related to the vulnerability or the presence of a vulnerability itself. Violation of this policy may result in removal from the list for the company or individual involved.

Evaluation

If the reported bug is deemed a real security issue a CVE is assigned by the Canonical Security Team as CVE Numbering Authority (CNA).

If it is deemed a regular, non-security issue, the reporter will be asked to follow typical bug reporting procedures.

In addition to the disclosure timeline, the core Canonical cloud-init team will enlist the expertise of the Ubuntu Security team for guidance on industry-standard disclosure practices as necessary.

If an issue specifically involves another distro or cloud vendor, additional individuals will be informed of the issue to help in evaluation.

Disclosure

Disclosure of security issues will be made with a public statement. Once the determined time for disclosure has arrived the following will occur:

  • A public bug is filed/made public with vulnerability details, CVE, mitigations and where to obtain the fix
  • An email is sent to the public cloud-init mailing list

The disclosure timeframe is coordinated with the reporter and members of the cloud-init-security list. This depends on a number of factors:

  • The reporter might have their own disclosure timeline (e.g. Google Project Zero and many others use a 90-days after initial report OR when a fix becomes public)
  • It might take time to decide upon and develop an appropriate fix
  • A distros might want extra time to backport any possible fixes before the fix becomes public
  • A cloud may need additional time to prepare to help customers or impliment a fix
  • The issue might be deemed low priority
  • May wish to to align with an upcoming planned release