cvelist/2021/39xxx/CVE-2021-39204.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-39204",
        "STATE": "PUBLIC",
        "TITLE": "Excessive CPU usage in Pomerium"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "pomerium",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 0.14.8"
                                        },
                                        {
                                            "version_value": ">= 0.15.0, < 0.15.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "pomerium"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity. This can lead to high CPU utilization when a large number of streams are reset. This can result in a DoS condition. Pomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched."
            }
        ]
    },
    "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"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-834: Excessive Iteration"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ",
                "refsource": "MISC",
                "url": "https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ"
            },
            {
                "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xh3-33v5-chcc",
                "refsource": "MISC",
                "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xh3-33v5-chcc"
            },
            {
                "name": "https://github.com/pomerium/pomerium/security/advisories/GHSA-5wjf-62hw-q78r",
                "refsource": "CONFIRM",
                "url": "https://github.com/pomerium/pomerium/security/advisories/GHSA-5wjf-62hw-q78r"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-5wjf-62hw-q78r",
        "discovery": "UNKNOWN"
    }
}