{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-41378",
        "ASSIGNER": "psirt@tigera.io",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In certain conditions for Calico Typha (v3.26.2, v3.25.1 and below), and Calico Enterprise Typha (v3.17.1, v3.16.3, v3.15.3 and below), a client TLS handshake can block the Calico Typha server indefinitely, resulting in denial of service. The TLS Handshake() call is performed inside the main server handle for loop without any timeout allowing an unclean TLS handshake to block the main loop indefinitely while other connections will be idle waiting for that handshake to finish.\n"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400 Uncontrolled Resource Consumption",
                        "cweId": "CWE-400"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-703 Improper Check or Handling of Exceptional Conditions",
                        "cweId": "CWE-703"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Calico",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Typha",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "v3.26.0",
                                            "version_value": "v3.26.2"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "0",
                                            "version_value": "v3.25.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                },
                {
                    "vendor_name": "Tigera",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Typha",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "v3.17.0",
                                            "version_value": "v3.17.1"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "v3.16.0",
                                            "version_value": "v3.16.3"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "0",
                                            "version_value": "v3.15.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.tigera.io/security-bulletins-tta-2023-001/",
                "refsource": "MISC",
                "name": "https://www.tigera.io/security-bulletins-tta-2023-001/"
            },
            {
                "url": "https://github.com/projectcalico/calico/pull/7908",
                "refsource": "MISC",
                "name": "https://github.com/projectcalico/calico/pull/7908"
            },
            {
                "url": "https://github.com/projectcalico/calico/pull/7993",
                "refsource": "MISC",
                "name": "https://github.com/projectcalico/calico/pull/7993"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "credits": [
        {
            "lang": "en",
            "value": "Rodrigo Fior Kuntzer (Github: rodrigorfk)"
        },
        {
            "lang": "en",
            "value": "Anthony Tam"
        },
        {
            "lang": "en",
            "value": "Behnam Shobiri"
        },
        {
            "lang": "en",
            "value": "Shaun Crampton"
        },
        {
            "lang": "en",
            "value": "Matt Dupre"
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
            }
        ]
    }
}