{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-42252",
        "ASSIGNER": "security@apache.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat was located behind a reverse proxy that also failed to reject the request with the invalid header."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')",
                        "cweId": "CWE-444"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Apache Software Foundation",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Apache Tomcat",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "10.1.0-M1",
                                            "version_value": "10.1.0"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "10.0.0-M1",
                                            "version_value": "10.0.26"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "9.0.0-M1",
                                            "version_value": "9.0.67"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "8.5.0",
                                            "version_value": "8.5.82"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sq",
                "refsource": "MISC",
                "name": "https://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sq"
            },
            {
                "url": "https://security.gentoo.org/glsa/202305-37",
                "refsource": "MISC",
                "name": "https://security.gentoo.org/glsa/202305-37"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "credits": [
        {
            "lang": "en",
            "value": "Thanks to Sam Shahsavar who discovered this issue and reported it to the Apache Tomcat security team."
        }
    ]
}