cvelist/2023/27xxx/CVE-2023-27491.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-27491",
        "ASSIGNER": "security-advisories@github.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Envoy is an open source edge and service proxy designed for cloud-native applications. Compliant HTTP/1 service should reject malformed request lines. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, There is a possibility that non compliant HTTP/1 service may allow malformed requests, potentially leading to a bypass of security policies. This issue is fixed in versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20: Improper Input Validation",
                        "cweId": "CWE-20"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "envoyproxy",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "envoy",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 1.25.0, < 1.25.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 1.24.0, < 1.24.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 1.23.0, < 1.23.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "< 1.22.9"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp",
                "refsource": "MISC",
                "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp"
            },
            {
                "url": "https://datatracker.ietf.org/doc/html/rfc9113#section-8.3",
                "refsource": "MISC",
                "name": "https://datatracker.ietf.org/doc/html/rfc9113#section-8.3"
            },
            {
                "url": "https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1",
                "refsource": "MISC",
                "name": "https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1"
            },
            {
                "url": "https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2",
                "refsource": "MISC",
                "name": "https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-5jmv-cw9p-f9rp",
        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.4,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
                "version": "3.1"
            }
        ]
    }
}