{"url":"http://public2.vulnerablecode.io/api/packages/130815?format=json","purl":"pkg:gem/puppet@5.6","type":"gem","namespace":"","name":"puppet","version":"5.6","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":null,"latest_non_vulnerable_version":null,"affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/35154?format=json","vulnerability_id":"VCID-63rx-372a-ukby","summary":"Improper Certificate Validation in Puppet\nPreviously, Puppet operated on the model that a node with a valid certificate was entitled to all information in the system and that a compromised certificate allowed access to everything in the infrastructure. When a node's catalog falls back to the `default` node, the catalog can be retrieved for a different node by modifying facts for the Puppet run. This issue can be mitigated by setting `strict_hostname_checking = true` in `puppet.conf` on your Puppet master. Puppet 6.13.0 changes the default behavior for strict_hostname_checking from false to true. It is recommended that Puppet Open Source and Puppet Enterprise users that are not upgrading still set strict_hostname_checking to true to ensure secure 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