{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-7942",
        "ASSIGNER": "security@puppet.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Puppet",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Puppet",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "5.5.x prior to 5.5.19"
                                        },
                                        {
                                            "version_value": "Fixed in 5.5.19"
                                        },
                                        {
                                            "version_value": "6.x prior to 6.13.0"
                                        },
                                        {
                                            "version_value": "Fixed in 6.13.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Puppet Agent",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "5.5.x prior to 5.5.19"
                                        },
                                        {
                                            "version_value": "Fixed in 5.5.19"
                                        },
                                        {
                                            "version_value": "6.x prior to 6.13.0"
                                        },
                                        {
                                            "version_value": "Fixed in 6.13.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Arbitrary retrieval"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "CONFIRM",
                "name": "https://puppet.com/security/cve/CVE-2020-7942/",
                "url": "https://puppet.com/security/cve/CVE-2020-7942/"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Previously, Puppet operated on a 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 and 5.5.19 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 behavior. Affected software versions: Puppet 6.x prior to 6.13.0 Puppet Agent 6.x prior to 6.13.0 Puppet 5.5.x prior to 5.5.19 Puppet Agent 5.5.x prior to 5.5.19 Resolved in: Puppet 6.13.0 Puppet Agent 6.13.0 Puppet 5.5.19 Puppet Agent 5.5.19"
            }
        ]
    }
}